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Introduction

HANALEI FINS manufactures an extensive range of both RTM molded composite fins (HRD-KORE), as well as custom fiberglass & G-10 fins (HANALEI FINS). The custom fins include quads, thrusters, side bites, and regular center fins.

We offer a range of completely unique templates that are unlike anything else available in the marketplace. All fins are offered with either GEARBOX or DUAL TAB bases, as well as FUTURES bases on some designs. Many of the fin designs feature hollow inside foils for an extra performance boost.

Our custom handmade fins are produced one at a time the old fashioned way, with hand foiling and finishing. These are high quality fins with exceptional foils that feature very unique characteristics. What we call "Fearless Foils"! The center fin range only available in fiberglass.

The HRD-KORE range of fins (A3, XPD2, QS, Q2, H3, H5, and STD) are all molded composite fins, constructed using a combination of carbon fiber, fiberglass, and a SORIC Hex core. This is a light strong construction method that allows us to deliver high quality fins at a reasonable price point. All of these fins are offered with our GEARBOX base, as well as DUAL TAB, and in some templates FUTURES bases.

The various choices will be presented in three groupings - HRD-KORE, CUSTOM, and CENTER fins.

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DISCLAIMER

THESE PRODUCTS ARE USED IN CONJUNCTION WITH A SPORT THAT IS CONSIDERED DANGEROUS, USE THESE PRODUCTS AT YOUR OWN RISK. THE MANUFACTURER ASSUMES NO RESPONSIBILITY FOR INJURIES TO PERSONS AND/OR PROPERTY.

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HRD-KORE RTM FINS

Featuring WS2 Split Keel Fins

We are super stoked that we finally have some of the WS2 Split Keel RTM fins in stock in Australia and Hawaii. It has been a long wait, but worth it, we are now working to get a lot more of them stocked.


For more details on these new fins see the section below.

HRD-KORE 2018 Logo

This section will introduce all of the HRD-KORE fins we manufacture, grouped by template family. HRD-KORE is our name for the type of construction method we use on these fins. It is a RTM molding technology that produces accurate, light, and strong fins. For more information see the technical section below.

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    • A3 Series
      The A3 range represents one of our more conventional templates, all feature a small cutaway at the bottom of the trailing edge. These fins provide good turning ability, lots of drive, and tons of speed.
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      FIN RANGE - A3
      Supported Bases
      Fin Bases - ALL
      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      A3 Series

      The A3 range represents one of our more conventional templates, all featuring a small cutaway at the bottom of the trailing edge. These fins feature good turning ability, lots of drive, and tons of speed.

      All of the A3 templates feature our custom hollow foil technology on the inner face, which makes for a faster and more responsive fin!

      These are very versatile and reliable fins that feature great performance.

      A3 Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      A3-L Measurements
      A3-M Measurements
      A3-S Measurements
      A3-CTR Measurements

      A3 Combos

      These are the standard combinations for this range of fins. Any combo can also be assembled from the individual sets, as needed.

      COMBOS A3
    • XPD2 Series
      The XPD2 quad range is an extremely functional family with different size combinations depending on the conditions and needs. These fins are ideal for quad setups as they feature good turning ability, plenty of drive, and lots of speed. Being an unmatched set the fins can easily be switched around as conditions warrant.
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      FIN RANGE - XPD2
      Supported Bases
      Fin Bases - ALL

      FUTURES Bases: XPD2-L, XPD2-S, & XPD2-CTR Only

      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      XPD2 Series

      The XPD2 quad range is an extremely functional family with different size combinations depending on the conditions and needs. These fins are ideal for quad setups as they feature good turning ability, plenty of drive, and lots of speed. Being an unmatched set the fins can easily be switched around as conditions warrant.

      All of these fins feature our custom hollow foil technology on the inner face, which makes for a faster and more responsive fin! The unique outline keeps the base narrow for good turning, while the increased tip area provides lots of drive. The tips of the fins also feature increased toe-in to help with turning.

      These are our goto fins for a wide range of boards and conditions. They have been successfully deployed on everything from 6-0 shortboards to 10-5 guns!

      XPD2 Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      XPD2-L Measurements
      XPD2-M Measurements
      A3-S Measurements
      XPD2-CTR Measurements

      XPD2 Combos

      These are the standard combinations for this range of fins. Any combo can also be assembled from the individual sets, as needed.

      COMBOS XPD2
    • Q2 Series
      The latest generation of the Q family of fin designs. One of the most extensive range of templates in our HRD-KORE collection. The templates in the range enable a wide variety of fin combinations.
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      FIN RANGE - Q2 GLOSS
      Supported Bases
      Fin Bases - ALL

      FUTURES Bases: Q2-L, QB2-M, & Q2-CTR Only

      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      Q2 Series

      The latest generation of the Q family of fin designs. One of the most extensive range of templates in our HRD-KORE collection. The templates in the range enable a wide variety of fin combinations.

      All of the Q2 templates feature our custom hollow foil technology on the inner face, which makes for a faster and more responsive fin! Smooth, powerful, high performance fins.

      This range also includes a canard fin with an extra 10º of cant in the base, allowing it to be used with the Q2-XL to create an awesome twinzer setup.

      Q2 Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      Q2-XL Measurements
      Q2-L Measurements
      QB2-M Measurements
      Q2-S Measurements
      Q2-C Measurements
      Q2-CTR Measurements

      Q2 Combos

      These are the standard combinations for this range of fins. Additional combos can be assembled from the individual sets, as needed.

      COMBOS - XPD2
    • WS2 Series
      The WS2 series are the latest fins that have been added to the HRD-KORE line of RTM fins. This series repesents a split keel quad setup with a front fin that features a flipped tip.
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      FIN RANGE - WS2 MATTE
      Supported Bases
      Fin Bases - ALL
      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      WS2 Series

      The WS2 series are a second generation version of our split keel design. These are also the first versions to be produced in our HRD-KORE RTM molding technique.

      This series is made up of only two designs - a front fin WF2-S and a back fin WS2-L. The front fin features a flipped tip for better performance and transition speed. Both fins feature extensive hollow foils on the inside faces, again geared towards improved performance.

      These fins can be used in a wide range of boards but are especially well suited to fish-style boards. When placed correctly these fins can provide an enhanced twin fin feel but without the twitchiness of the typical twin fin.

      The design of these split keels depends for the best performance on the fins being placed as close together as possible. By this we mean the fore-n-aft placement. Because the fins are essentially a keel fin that has been split into two separate fins their functionality depends on a tight cluster.

      However, this setup can still work really well in fin setups the a re more spread out, they are just not as optimal as a tight cluster. These two different templates can also be used separately, although the design was intended to be used as a quad setup.

      WS2 Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      WF2-S Measurements
      WS2-L Measurements

      WS2 Combos

      These are really only intended to be used in a quad setup as shown. But other combos could be created, as needed.

      COMBOS - WS2
    • H3 & H5 Series
      The H3-S and H5-S templates are commonly combined with other templates to create quad setups. But these templates can be used by themselves, as needed. The H5-S is the latest generation of this Hammer design. It is used in combo with the A3-L, XPD2-L, and Q2-L to create even more powerful quad sets.
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      FIN RANGE - H3/H5
      Supported Bases
      FIN BASES - ALL
      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      H3 & H5 Series

      The H3-S and H5-S templates are commonly combined with other templates to create quad setups. But these templates can be used by themselves, as needed. The H5-S is the latest generation of this Hammer design. It is used in combo with the A3-L, XPD2-L, and Q2-L to create even more powerful quad sets.

      The H3 and H5-S templates are our more unusual shapes, but these really an amazing fins. They combine a very narrow base with a very large tip to generate a lot of flex that really pops out of the turns. Strictly designed to be used as a back fin in quad combos, they also makes excellent side bites in 2+1 setups, as long as there is no kelp in the area where it is being surfed!

      The H3-S has a flat inner face, while the H5-S features our unique hollow foil on the inner face. The H5 has slightly more area than the H3 with a little less rake. The latest generation.

      H3 & H5 Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      MEASURE H3-S
      MEASURE H5-S

      H3 & H5 Combos

      These are the standard combinations for this range of fins. Additional combos can be assembled from the individual sets, as needed.

      COMBOS H3 & H5
    • STD Series
      The STD range of fins is geared towards a more conservative style fin than some of our other offerings. But these are still high performance fins that feature our hollow foil technology on the inside faces of the larger fins. These fins are derived from one of our oldest and well tested fin templates that has been optimized for todays high performance surfboards.
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      FIN RANGE - STD
      Supported Bases
      FIN BASES - GEARBOX & DUAL TAB
      HRD-KORE Fin Pricing - 2018
      QUAD US$120 / A$160
      THRUSTER US$90 / A$120
      TWIN US$60 / A$80
      CENTER US$30 / A$40

      STD Series

      The STD range of fins is geared towards a more conservative style fin than some of our other offerings. But these are still high performance fins that feature our hollow foil technology on the inside faces of the larger fins. These fins are derived from one of our oldest and well tested fin templates that has been optimized for todays high performance surfboards.

      They feature a good balance between base width, rake, and tip area to deliver outstanding all around performance. Another unique aspect of these fins is that they feature a hand polished finish, something not commonly found in the fin market, they have to be seen to believed!

      All of the fins in this range are constructed using our HRD-KORE construction method. All of the fins are only available in a SMOKE TINT,.

      STD Fin Dimensions

      The following set of images show all of the key dimensions for the fins that make up this range.

      MEASURE STD-XL
      MEASURE STD-L
      MEASURE STD-M
      MEASURE STD-S
      MEASURE STD-CTR

      STD Combos

      These are the standard combinations for this range of fins. Additional combos can be assembled from the individual sets, as needed.

      COMBOS STD Range
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    HANALEI CUSTOM FINS

    Featuring WTF-425/XTC-413 Combo

    The range of custom fins includes all of the HRD-KORE ranges, but additionally there are a number of new and unique templates that are currently only available as custom fins. Some of the fins shown are in the prototyping phase as we prepare them for possible additon to the HRD-KORE line. Presented here are some of the fins we are currently focused on as custom fins. This includes all of the fins that employ our "flip tip" technology.


    For more details on these new fins see the section below.

    HANALEI FINS 2018 Vertical Logo

    All of the HRD-KORE templates can be made as custom fins, but will not be shown here as they are identical to those shown in the HRD-KORE section. This section will be constantly updated as we work on new templates. For now there is just a small sampling of the custom fins.

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      • WTF-425 "What The Fin"
        The WTF range currently consists of just this single template, but it is something else. It is very hard to classify this fin as it is so unusual and yet is an unbelievable performer.
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        FIN IMAGES WTF-425
        Supported Bases
        FIN BASES - GEARBOX & DUAL TAB
        Custom Fin Pricing - 2018
        QUAD US$140 / A$200
        THRUSTER US$105 / A$150
        TWIN US$70 / A$100
        CENTER US$35 / A$50

        Custom fins with Flip Tips add US$10 / A$15 per fin. FUTURES bases add US$10 / A$15 per fin to the overall cost. Custom fin delivery is minimum 4 - 6 weeks.

        WTF-425

        The WTF range currently consists of just this single template, but it is something else. It is very hard to classify this fin as it is so unusual and yet is an unbelievable performer.

        Don't let the look of the fin throw you off. There is a lot going on with this fin and it delivers, big time. The simplest description for this fin is that it represents a super canard-style fin. The fin is not just a simple vertical fin it has two distinct breaks in its profile with the central blade area flipped out by 7º and the trailing tip extension at 25º. This fin has to been seen to believe what is going on with the shape.

        It is most commonly used with a more upright back fin, that in most cases is larger than this fin. The WTF serves as the transitional fin in a quad setup where it initiates turns and then transitions the turn onto the back fin. Amazingly, this fin works in an incredibly wide range of conditions and wave heights. It has been tested in everything from 3' faces to 25' faces, and it works through the whole range.

        WTF Fin Dimensions

        The following image shows all of the key dimensions for the fins shown in this section.

        MEASURE WTF-425
      • XTC Series
        The XTC range has a large number of different fin templates, we will only be presenting the most commonly used ones here. Some of the fins in this range are scheduled to become part of the HRD-KORE line in the very near future.
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        FIN RANGE XTC
        Supported Bases
        FIN BASES - GEARBOX & DUAL TAB
        Custom Fin Pricing - 2018
        QUAD US$140 / A$200
        THRUSTER US$105 / A$150
        TWIN US$70 / A$100
        CENTER US$35 / A$50

        Custom fins with Flip Tips add US$10 / A$15 per fin. FUTURES bases add US$10 / A$15 per fin to the overall cost. Custom fin delivery is minimum 4 - 6 weeks.

        XTC Series XTC-413, XTC-500 & XTC-450C

        The XTC range currently consists of wide range of template sizes, but the two side fins shown here, along with the center fin, have been the most heavily used and tested this Hawaiian winter.

        The primary driving force behind the design of these fins is to deliver a template design that behaves more like a wing than your typical "dolphin fin" style surfboard fin. The motivation for this design all started from the design of a tail wing for a foil board.

        Like many modern wings this design features a tip extension to enhance the performance of the fin. This extension is flipped 16º to the outside and has a slight hollow foil on the inside face. The body of the fin also features a strong hollow foil. These fins are very efficient, fast, with a ton of drive. They also have the uncanny ability to help the board move through dead spots on the wave.

        Due to their very upright nature they turn extremely well with out loss of speed through the turns. The tips play a crucial role in the turning process as they allow for transitioning of the fin during a turn. This means as the board is placed further on it's rail the tip of the fin becomes more vertical in the water allow it to create a pivot point. Hard to describe but something that can be easily felt when using the fins.

        This pair of side being unmatched means they can be ridden either way in a quad setup, but in most of our testing they were ridden with the larger fin in the back. So they worked very well as a Twinzer setup. When coupled with a center fin either of these templates work really well, the smaller one for a very loose feel, or the larger for a positive feel in a wide range of conditions.

        For thrusters two combinations can be created with the XTC-413 / XTC450C for a smaller looser setup and the XTC-500 / XTC-450C combo for a lot more drive and hold. Due to the shape of the center fin it has a lot of hold when positioned further forward while still providing great turning ability due to the more upright nature of the body of the fin.

        These fins have been ridden in boards ranging from small fishes through guns to tow boards. They have been successfully surfed in everything from 3' slop to 40' faces. They work!

        These fins are going to serve as the basis for a whole new range of HRD-KORE fins that will be going into production in the very near future. Stay tuned! Also see the article in the NEWS section about these new production fins - New HRD-KORE Production Fins in the News Articles section. NOTE: clicking this link will move the page to the news section but it will only be visible when this overlay is closed!

        XTC Fin Dimensions

        The following image shows all of the key dimensions for the fins shown in this section.

        MEASURE XTC-413
        MEASURE XTC-500
        MEASURE XTC-450C

        XTC Combos

        These are the standard combinations for this range of fins. Any combo can also be assembled from the individual sets, as needed.

        COMBOS XTC Range

      Delivery Info

      For delivery info on custom fins please contact us.

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      HANALEI CENTER FINS

      Featuring our original TS Thumb fins

      Hanalei Fins has an extensive range of very unique and functional center fins. These are all made from solid fiberglass and are available in a wide range of sizes. All of our center fins are custom handmade and finished.


      For more details on these fins see the section below.

      HANALEI FINS 2018 Vertical Logo
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        • STD Center Series
          This is our latest center fin design, that takes its cue from many of the traditional longboards fins. Although this template was largely derived from one of our older side fin designs.
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          OUTLINES STD Center Fins

          STD Series

          This is our latest center fin design, that takes its cue from many of the traditional longboards fins. Although this template was largely derived from one of our older side fin designs.

          Feature a wider base for more projection and better tracking for those who are more interested in smooth lines than tight turns!

          Has some characteristics from our GS range and then some inspiration from our NS side fin designs. Features a very distinct tip to provide a little more feel to the fin. It fills a hole in our range for people looking for a fin with more projection and drive at the expense of tight turns. Turning can be improved by placing this fin further forward on the board. Due to the increased base area in these fins we recommend selecting a smaller fin if high performance and speed are critical as the smaller fin will have less wetted surface and hence be faster! These fins feature a nice tip flex that will provide a little extra pop out of the turns!

          Currently the fins range in size from 7.00" to 9.50" in 1/2" increments.

          Available in RED or SMOKE TINT only! All center fins ship with VersaScrew and hex key!

        • LS Center Series
          This is one of our newer center fin design, it is loosely derived from the new LS side bite design that is used in some of our quad setups. Carries forward many of the design elements of our Thumb and Hammer series of fins with the same distinctive tip area, placed on top of a fairly narrow mid-section.
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          OUTLINES LS Center Fins

          LS Series

          This is one of our newer center fin design, it is loosely derived from the new LS side bite design that is used in some of our quad setups. Carries forward many of the design elements of our Thumb and Hammer series of fins with the same distinctive tip area, placed on top of a fairly narrow mid-section.

          This combination provides maneuverability, projection, and speed. This fin has a lot of properties similar to the Hammer series of fins but without the kelp catching bulb at the leading edge and slightly less area. The leading edge of the fin has a slight reverse curve that provides a better angle of attack for the water as it gets closer to the tip of the fin where most of the area is located. The large amount of area in the top half of the fin and the fact that it is significantly raked allows this fin to be positioned very far forward without sacrificing holding power.

          Due to the large tip area combined with the narrower throat, this fin generates a lot of flex that allows it to create a lot of drive out of turns. As with many of our designs the base of the fin has been kept very narrow in order to enhance the turning ability. Unlike the T2 series of fins the area of this design was kept down to a minimum in order to reduce drag and improve speed, this design is all about efficiency! The big design difference is the profile of the leading edge. By utilizing a reverse curve that increases in steepness as it gets closer to the tip, a much better angle of attack is provided for the water flow. This design can be ridden relatively small as the area of the fin is placed where it is most effective. Use this fin with any of our side bite fins in a 2+1 setup for a real performance boost. Or use it as a single fin for lots of drive and speed!

          Currently the fins range in size from 5.00" to 8.50" in 1/2" increments.

          Available in RED TINT only! All center fins ship with VersaScrew and hex key!

        • T2 Center Series
          This is the second generation of the thumb series of fins, we have built on the excellent features of the original and come up with a new design that brings increased performance to the series. One of the big changes was to add a much more distinct tip on the trailing edge of the fin, this was added to improve the feel of the fin.
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          OUTLINES T2 Center Fins

          T2 Series

          This is the second generation of the thumb series of fins, we have built on the excellent features of the original and come up with a new design that brings increased performance to the series. One of the big changes was to add a much more distinct tip on the trailing edge of the fin, this was added to improve the feel of the fin.

          The original series had the distinction of feeling like there were no fins in the board, so we tried to go in the other direction with this series. By adding more feel to the fin the surfer could exert better control. The other big change is that more area was added to the fin both in the tip and through the throat and base. This additional area increases the drive of the fin making it more powerful. There is also slightly more rake in the fin allowing it to be placed further forward on the board improving the turning ability. All of these changes allow this fin to be ridden smaller than the original series, typically the fin can be at least one size smaller without sacrificing drive!

          The other key feature that has been retained from the original design is a lot of flex in the tip of the fin. This new design flexes slightly less, then the original, but there is still enough to add significant pop out of the turns. These fins have turned out to be popular with SUP surfers as they have a lot of holding power due to the increased tip area.

          Currently the fins range in size from 5.00" to 9.00" in 1/2" increments.

          Available in RED TINT only! All center fins ship with VersaScrew and hex key!

        • H3 Center Series
          This is third generation of the Hammer series, it has undergone a lot of refinement to make it more compatible as a rear fin in various quad setups. It adds some of the refinements made to the T2 series. Like the T2 one of the big changes was to add a much more distinct tip at the top of the trailing edge of the fin, this was added to improve the feel of the fin.
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          OUTLINES H3 Center Fins

          H3 Series

          This is third generation of the Hammer series, it has undergone a lot of refinement to make it more compatible as a rear fin in various quad setups. It adds some of the refinements made to the T2 series. Like the T2 one of the big changes was to add a much more distinct tip at the top of the trailing edge of the fin, this was added to improve the feel of the fin.

          By adding more feel to the fin the surfer can exert better control over the board and the direction. The tip area has also been enhanced by increasing the area in the tip and the amount of rake. Additionally, area has also been added through the throat area and in the base to increase drive. This design still retains the leading edge bulb of the original series but the shape has been made a little more subtle and the lower portion of the leading edge now has a straighter line. The bulb still plays a crucial role in the ability of this fin to act like a rudder, essentially as the fin flexes the bulb moves out into the water flow increasing the amount of toe-in and increasing the water flow over the outside face and turning like a rudder, allowing the board to turn tighter!

          This fin design has to be experienced in order to appreciate just how well it works. As a center fin it works really well with the T2 side bites. As with the T2 design this fin can be ridden one size smaller than the original design due to the increased area. NOTE: not recommended for any area where there is kelp!

          Currently the fins range in size from 5.00" to 8.50" in 1/2" increments.

          Available in RED TINT only! All center fins ship with VersaScrew and hex key!

        • GS Center Series
          The Gun series of fins were original developed for use on large single fin balsa guns, but we soon discovered that it also makes for an excellent longboard fin especially in the smaller sizes. The design took some of our general philosophies and brought them to a longboard/gun fin.
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          OUTLINES GS Center Fins

          GS Series

          The Gun series of fins were original developed for use on large single fin balsa guns, but we soon discovered that it also makes for an excellent longboard fin especially in the smaller sizes. The design took some of our general philosophies and brought them to a longboard/gun fin.

          The primary idea being to maintain a fairly narrow base coupled with a lot of rake to enhance the turning ability by allowing the fin to be placed further up on the board. This series started out primarily as a glass-on fin but over time we also started making them as removable fins, especially once they became popular for use on longboards. These fins have been used on guns as large as 12' 6" with great success, they have proven to be very efficient and rock solid.

          While these fins were initially designed for guns, over time we have created smaller versions that have turned out to be great center fins on short single fin boards or 2+1 longboards. A good choice for anyone that is intimidated by the more extreme shapes of our other designs! A good all around versatile fin that is very clean!

          Currently the fins range in size from 7.00" to 10.00" in 1/2" increments.

          Available in RED TINT only! All center fins ship with VersaScrew and hex key!

        • TS Center Series
          The thumb series of fins is one of our original designs and was first created in the early 70's and has been revised and improved on ever since. This design is extremely versatile and has the distinction of providing a feeling of no fin in the board while still getting great projection and a lot of thrust out of the turns!
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          OUTLINES TS Center Fins

          TS Series

          The thumb series of fins is one of our original designs and was first created in the early 70's and has been revised and improved on ever since. This design is extremely versatile and has the distinction of providing a feeling of no fin in the board while still getting great projection and a lot of thrust out of the turns!

          The original design concept for this series of fins was to create a fin with a very narrow base, with more area pushed into the tip, and increased rake, coupled with a lot of flex. The narrow base allows the fin to pivot very easily, while the increased rake allows the fin to be placed further forward on the board again enhancing the turning ability. Moving area out into the tip of the fin allows the area of the fin to be reduced to eliminate drag.

          These fins have a very smooth feel in the water, and due to the soft outline it often feels as if there are no fins in the board. The heavy flex delivered by these fins, gives them a lot of extra drive out of turns. We have been producing these fins for a long time and they are very popular with longboard surfers that like to nose ride as they really handle well on the face of the wave.

          Currently the fins range in size from 5.00" to 10.00" in 1/2" increments.

          Available in RED TINT only! All center fins ship with VersaScrew and hex key!

        technical_marker

        TECHNICAL

        This section will be used to present articles on the various technologies and materials employed in the manufacturing of our fins. Additionally, there are also articles on other details revolving around fins, such as, placement and layout. As we find more information that is deemed pertinent we will publish it here.


        INFO Section Icon

        Tech Articles

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          • TECHNICAL DETAILS
            The WTF range currently consists of just this single template, but it is something else. It is very hard to classify this fin as it is so unusual and yet is an unbelievable performer.
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            Foils

            Foils obviously play a crucial role in the design of a fin and can dramatically impact the performance. Most of our foils are loosely based around the NACA 00 series of wing sections that are ideal for fins.

            FIN TECH Foil Shape
            Regular Foils

            We pay careful attention to the foils used on all our fins. We try to match the best foil for the characteristics of the fin and wherever possible we try to keep the regular foils nice and thick for maximum efficiency.

            Hollow Foils

            HANALEI FINS are unique in that we have perfected the use of inner hollow foils on the inside faces of most of our fins. We use these foils to increase performance and efficiency. In many cases we also couple these foils with twists and turns in the trailing edge of the fin to better manage the ejection of water from the foils. These foils have a dramatic impact on the overall performance of our fins, but in particular to the speed!

            Bases

            There are a lot of different fins systems available in the market, many with their own unique style of base. HANALEI FINS only supports the three primary bases - GEARBOX (our base is also compatible with ProBox), DUAL TAB, and FUTURES.

            GEARBOX

            The GEARBOX base is used in our own fin system GEARBOX, it features a full base for a solid feel and greater strength. The GEARBOX base also features vee notches where the screws land that allow the fin base to be forced down into the box when tightened, creating a compression fit.

            The GEARBOX base is also compatible with the ProBox Fin System.

            FIN TECH GEARBOX Base
            DUAL TAB

            The DUAL TAB base is widely available due to the large number of boards with the twin plugs installed. The DUAL TAB base also fits in the GEARBOX fin box. These bases are designed to break under load and therefore tend not to be very durable, breaking at inopportune times. the other problem with these bases is the tendency to flex in the base instead of the fin, this is due to the narrow interface between the fin base and the box.

            FIN TECH GEARBOX Base
            FUTURES

            The FUTURES fin base is a lot longer than other bases due to the design of their box. Due to the nature of the fin ox design the cant angle is built into the base of the fins instead of into the box. This makes it really complicated making fins for this system, especially if they are custom fins as the can angle has to bee machined into the base of the fin. Fit is critical for these bases as there is no means to tighten them if they are loose.

            These bases can also be a lot heaver due to the fact that they are almost double the length of a GEARBOX or DUAL TAB base. This is why you will commonly see these bases heavily machined in order to lighten them up.

            FIN TECH FUTURES Base

            RTM Molding

            RTM molding is one of the most predominant methods for molding fins. It stands for Resin Transfer Molding. The fabrics and core that make up the fin are laid dry into a mold. The mold is then closed and a vacuum is used to draw resin through the mold, wetting out the materials in the process. The use of a vacuum also draws all the air out of the laminate eliminating air bubbles.

            RTM molding is a lot more cost effective and less wasteful than the standard method of foiling a fin out of a solid panel of fiberglass. Because a mold is used it also makes it easier to manufacture more complex shapes in a consistent manner.

            Materials

            Fins can be made out of a wide range of materials, but these are some common standard materials, with fiberglass being the most prominent one. RTM molded composite fins use a combination of these materials.

            Fiberglass

            Fiberglass forms the bulk of a fin construction and is applied either side of the core material in our HRD-KORE construction method. The typical fin can have as many as 27 layers of fiberglass to provide strength and some flex.

            Custom fins are made out of panels that are built into solid sheets of fiberglass and resin. The number of layers can vary from 30 to 40 layers. This is the standard material for hand foiled fins.

            FIN TECH Fiberglass Cloth
            Carbon Fiber

            Carbon fiber is very strong and stiff for its weight making it perfect for base stiffening. Employed in the base area of the fin to add stiffness and strength, it is applied to both sides of the fin as an outside layer that is visible in the finished product.

            FIN TECH Carbon Cloth
            SORIC®

            Soric® is a conformable flow media for resin infusion. This product features unique hexagonal flow channels across a carrier sheet that create a steady, even resin front. Forms the core for the fin and reduces weight by reducing the layers of fiberglass needed to construct the fin.

            FIN TECH SORIC
            G-10

            G-10 glass cloth reinforced epoxy natural is typically a yellowish to light green color. The most versatile all-around laminate grades are continuous glass woven fabric impregnated with an epoxy resin binder. These panels are made under high pressure so there is no air in the panel and the resin to fiber ration is very high. This makes for an incredibly strong panel.

            Because these panels are manufactured it makes it a lot simpler for a fin manufacturer as one simply purchases the panels and then cuts fins out of it as needed. The panels are a lot more expensive than a standard fiberglass panel, but worth it for the strength.

            FIN TECH G-10
          • FIN SETUP PRIMER
            Fin placement can have a dramatic effect on the performance of a surfboard. This primer is geared towards providing our customers with a better understanding of how the various aspects of fin layout can affect the performance.
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            Fin Setup Primer

            At best this is more art than science, but the beauty of an adjustable fin system is that you can go out and experiment for yourself to verify what effect a change in fin placement can have on the overall performance of a board.

            This primer will use some terminology that is best explained up front so that we are all speaking the same language.

            Terminology

            Term Description
            fin triangle or cluster this is the grouping of the fins, whether it be a thruster, quad, or 2+1, it refers to the entire fin layout
            fin setup this is position of the entire fin cluster as a unit, either all forward all back, spread apart, grouped together, etc.
            cant also referred to as fin angle, is the amount by which the side fins are leaning out from the centerline of the surfboard, bottom up
            toe-in this is the amount that the front of the fin boxes are pointed in (toed in) from the centerline of the box towards the stringer
            fore 'n' aft this is the position of the fin in the box forward or backwards along the length of the board
            spread out cluster this is where all the fins in the cluster are spread as far apart as possible, side fins all the way forward, center fin all the way back, this generally makes the board stiffer
            compacted cluster the opposite of the spread out cluster, typically side fins all the way back and center fin all the way forward, makes the board looser and more pivotal

            When experimenting with your fin placement always start with the fins centered in the GEARBOX, then start making adjustments from there, typically this is the position the fins will be in when on the shaper’s marks. Although the range of adjustment in a GEARBOX is limited even this small amount can make a difference. Because the system does not support cant adjustment it is important to consider the cant selection before the board is constructed.

            It is also worth mentioning that while fin adjustment can have a dramatic impact on performance, the templates of the selected fins are even more critical. Selecting the wrong fin shape for the intend use can easily override any changes that are made in the adjustment of the setup.

            So it is worth paying close attention to the selection of the fin templates and their intend use!

            Fin Setup Characteristics

            Cluster Setup Characterisitics Conditions
            spread out cluster longer turning arc, more common on longer boards or guns larger faster waves, situations where a gun would more likely be used
            compacted cluster shorter turning arc, the common setup for smaller thrusters wide range, depending on skill and the shape of the board
            fin cluster forward looser, shortest arc, less hold pivotal surfing on small to medium waves
            fin cluster normal loose with control, typically the position designed by the shaper versatile wide range of conditions
            fin cluster back more control, tighter arc bigger, tube/pocket waves, once again typical for situations for a gun
            more fin cant looser with less drive, requires more turning to generate speed small to medium surf
            less fin cant stiffer with more drive bigger, faster hollow surf, commonly used in twinn fins, guns or tow-in boards

            Above is just a small sampling of the more obvious combinations, there are many more in between or with subtle variations. The intent has been to provide a little insight into the more general characteristics of fin placement.

            Obviously, the position and cant of the fins are very important and greatly affect the performance of a surfboard. The smallest change can sometimes have a dramatic effect on the board, but it is not a magic bullet, sometimes the opposite effect can occur. Fin setup is just one piece in a complex dynamic system of shapes and curves that make up a surfboard. Each board is different, as is each surfer, so any changes could have different results depending on the board and the surfer!

            The information provided above is applicable to a 2+1 fin setup, except in that type of setup the size of the center fin has a more heavily weighted effect on the cluster. The smaller the center fin the more it will perform like a thruster. Placement of the center fin is going to be by far the more controlling aspect of the performance of a 2+1 setup. Of course there are other factors that can affect fin setup, the size and shape of the fin, even the foiling of the fin. Whether all of the fins in the cluster are the same size, or not. We believe the beauty of an adjustable system is that it allows the surfer to experiment for themselves to determine what works for them and to help them learn the significance of being able to adjust the fin setup on a surfboard.

            Our system was designed to provide some adjustability, making it easier to experiment hands on with fin adjustment.

            Illustrated Terms

            The renderings in this section show illustrations for some of the terms used in the fin setup discussion.

            Hopefully, these will provide a visual guide to the terminology.

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            • Fin Cluster

              Shows what is referred to as a fin cluster, which is the combination of all of the fins in the layout.

            • Fin Cluster

              Another view of the fin cluster from the rear of the board, showing the cant angles of the fins in the cluster. When talking about fins this is the most common view used to refer to the left and right fins.

            • Cant Angle

              Shows how the cant angle is measured. With the GEARBOX fin system the cant angle is built into the box. The correct cant angle needs to be selected before installation.

            • Toe-in

              Another critical measurement is the toe-in of the boxes shown in this drawing. This is the distance that the boxes are pointed in towards the stringer, from the box centerline. In quad setups this can vary from the front to the back fins.

          Fin Layout Guides

          Below are a number of links to a series of fin layout guides for different types of boards, and for different fin setups.

          These layout guides can be used to provide information on the positioning of fins. They are not specified for a given board length as they are intended to be used as a starting point. It is left to the builder to determine their preferred layout.

          A downloadable Fin Setup Primer has also been added to these guides, it should be helpful in gaining a better understanding of fin layout.

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            • QUAD LAYOUT
              This is a guide to the fin layout for a typical tight cluster quad, that will deliver the best perfomance when coupled with our fins.
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              QUAD fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • 5FIN LAYOUT
              This is a guide to the fin layout for a 5FIN SETUP, it uses a combination of the QUAD and THRUSTER layouts.
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              5FIN fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • THRUSTER LAYOUT
              This is a guide to the fin layout for a standard thruster, that will deliver the best perfomance when coupled with our fins.
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              5FIN fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • 2PLUS1 LAYOUT
              This is a guide to the fin layout for a standard longboard 2PLUS1 setup, it uses a fairly conventional layout for the side fins, for a more ahgressive layout they could be moved further forward.
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              2PLUS1 Fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • QUAD KNEEBOARD LAYOUT
              This is a guide to the fin layout for a QUAD setup on a kneeboard, which tend to be a lot further forward than the typical quad setup.
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              QUAD Kneeboard Fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • 5FIN KNEEBOARD LAYOUT
              This is a guide to the fin layout for a 5FIN setup on a kneeboard, uses the quad layout and adds a center fin. This guide can also be used for a kneeboard thruster by dropping the back fins.
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              QUAD Kneeboard Fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            • FIN SETUP PRIMER
              This primer will hopefully provide a few insights into the effects of various adjustments in fin layout to the performance of a board.
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              QUAD Kneeboard Fin Layout

              A PDF version of this layout can be viewed and downloaded by clicking on the button below.

            testimonials_marker

            TESTIMONIALS & NEWS

            We are stoked to share some testimonials from customers in this section. We have also added a news section that will serve as a delivery vehicle for timely information about HANALEI FINS. Allowing us to keep our customers informed of the latest developments..


            NEWS Section Icon

            Testimonials

            • account_circle
              HANALEI FINS : Robin Mair & Lancelot Pearson I tried a set of 4 fins about a year ago and have to admit I was hooked from the first wave I caught. Smooth fast and quick in and out of turns. They added another dimension to 4 fins a already fast rail to rail design just gave it more punch and a new feel that was exciting. Having ridden and been hooked on rail to rail on standups and kneeboards since the early seventies with designs from Aipa & The Campbell Brothers Bonza. George Greenough with his Flex and Steve Liz fish tail keels since the late 60's designs that lead to the Australian twin fin in the mid to late seventies that was to change surfing. It has lead to todays multi fin systems. Shorter wider boards that now need main fins on the rail with nubs - keels in front or behind - three fins with small pivot fins - quad fins - twinzers - 5 fin the variety is endless Hanalei fins have given me now a complete new range of fins for todays modern multi fin boards The stereotype will still tell you nothing to beat a three fin or on the other side 4 fin or quad. No nothing beats a change and multi fin systems give you that much against a lot of manufacturers. HANALEI fins have given me a new direction on shaping and I know a lot of kneeboarders that are trying them and enjoying. Thanks Robin & Lance as I know what it is to be criticized and laughed at for pushing the boundaries and limits of designs like many other designers. REMEMBER : ONLY THOSE WHO DARE TO FAIL WILL EVER SUCCEED!
              Peter "The Friar" Ware, Byron Bay, NSW, Australia (from Facebook)
            • account_circle
              Started using Hanalei Fins HRD-KORE (models: QS-L and QBS-M) fins after suggestion from Alan Bruce from Native Kneeboards to give them a go as it would open surfing to new ways as regarding performance; speed on turns on short walled waves where you want to surf in the pocket and drive when needed if it gets bigger (by reversing them front to back). I was also using cdrives to mix it up when needed, which on the native board works great. It’s all about experimenting the fins on different waves and setups. Also found that some old boards are getting a new life just from swapping fins. Been going on lefts with more confidence and drive… as normally the body tends to go right :) Hanalei Finss are built to the best standards, and lighter. Lancelot Pearson and Robin Mair are doing a very good job allowing our boards to go to new places and there is a very good crowd testing the new designs. Compared to the big names in the market Hanalei is up front in the game. Looking forward to test the new XTC 5” flipped tips + WTF 4.25” as quad and thruster setup. Save some pennies and make yourself a favour and give them a go!
              Flavio Viana, United Kingdom (from Facebook)
            • account_circle
              To Peter Ware and Lancelot Pearson. thanks guys - I don't want this to sound like and advert. But Pete the board you shaped me goes good in the summer waves as I hoped BUT in serious walls 6'+ at Crescent and Plomer over the weekend along with Lances Q2 fins at the ripe young age of 56 I have never surfed better, quicker and covered more area on a wave with a huge wall. On Sunday after a few waves at Plomer I threw on 2 off H3-S on the rear quad set up with Q2-L on the front. FU#$ me the speed and ground you can cover off a hard bottom turn into an over exaggerated round house, then back to the bottom and off the top - crazy. (all the while cutting through surface chop). again TA guys
              Craig Tiedeman, from Facebook
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              Started surfing at 12, still surfing surfed many countries far and wide. In the past year I've had the privilege of of trying a range of new fins that Lee Slaven introduced to me, Hanalei Fins from Hawaii and also Australia, he was so taken by these fins that I thought give them a go, well i can say these fins are incredible to say the least!, the speed, drive, and response is insane. I ve tried all types of fins and believe these are a serious future design! Thanks Hanalei, thanks Lancelot Pearson, and thanks Lee Slaven.
              Lyndon Alsop, from Facebook
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              I'd already been running Hanalei XPD quad sets - after trying out Shapers and C-Drives - on two Native kneeboards, shaped by Alan Bruce, when I heard that someone might be willing to sell a near-new Peter Ware. I bought the Ware, but needed Hanaleis for it ... as my twin tab Hanaleis didn't fit the Futures boxes on the Ware. I asked Lance for advice and he told me Peter Ware preferred the Q2s in his own boards. The Q2s make an already magic board that much more outstanding. The Hanaleis stay in all three boards fulltime. PS: Futures fin-boxes absolutely suck ... as switching up (large/small) quad fin placement is a no go.
              Roger Boyce, from Messenger
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              Hi Lance and Robin, just wanted to give some feedback on your fins. I live in Bali so I am lucky enough to have a wide variety of waves and conditions to explore. My Knee Pro stick is a Rocket 5’11” and loves the Q’s. So fast with loads of drive and super responsive. I was surfing Keramas the other day and 2 guys pulled me up out of the water wanting to chat. They were blown away how fast a kneeboard was going and were very interested in the fins/setup. That’s my favourite combo, I make sections on waves I never used to be able to make and overall they have an amazing feel of control. The other board is a 6’2” Neil Luke Freak. Wow what a board. I had the Gearbox bases installed and they are a quality piece of kit. I usually run the XPD’s on this board. I was at Medewi in west Bali last month and classic conditions 6-8’ clean glassy perfection 4 guys out. I ran the large XPD front fin and needed more drive so I put The Hammers H3 in the rear. Best surf of my life, the turns I was making and flow I had was awesome fun. I got a ride 500metres ++ from the furthest point right into the beach. They made a massive difference and delivered incredible speed, hold and drive. Overall I can’t speak highly enough of fins and can’t wait to take delivery of a new set of XTC ‘s when they’re ready. Off to Simeulue Island off northern Sumatra in June/July so can’t wait to give them a run on some new waves. Many thanks.
              Greg Haynes, Bali
            • account_circle
              These Hanalei Fins have changed my surfing for the better, over the moon with the way the Peter Ware “Friar” board goes with the quad set up, so fast off the take off & super pivotal on the turns - I am now a quad convert because of these fins having been a staunch tri fin surfer. I can’t recommend Lance & Robins fins highly enough, do yourself a favour & check out the Gearbox/Hanalei site, beg, borrow or buy yourself a set as they will change for the better the way you guide your board through your wave.
              Russell Smith, from Facebook
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              super stoked on my flipped tipped Q2-L/QB2-M quads tried and tested in my 6ft Native kneeboard in a variety of wave conditions from hollow beachbreak to walled up point break. These fins give me the combination of drive, hold, and release that i couldnt' find in a more traditional template.
              Chris Bull, from Messenger
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              Bru I just had my second surf on this combo. So happy with it. Drive and pivot and hold. Just as I hoped they would. All the Hanalai fins I have used have in every instance added more to my boards overall performance. Hanalai all the way....the gearbox fin boxes are super strong and im very confident in using them for larger fins such as the NRG XL . THE ONLY FIN BOXES I feel 100% confident in using for larger fins infact.
              Shane Patrick-Joseph Luke, RocketAce Eco-Surfboards (from Facebook)
            • account_circle
              Started surfing at 13, and shaping since 1979. Have tried many different shapes and fins. A couple of years ago I was encouraged by a couple of kneeboarders from the East Coast of Victoria to try out the Hanalei type fins. Wow do I owe them big time! Now having used most of their range of fin styles it has totally changed my outlook on board performance. Do yourselves a huge favour, at least try a style or two because it's like giving your board a new lease of life. Speed, powerful turns with control are immediately evident. This isn't a paid advertisement, but a sharing of stoke and a new improved outlook of what works. I'm a kneerider and my board in the picture is my present favourite. Q2-XLs with flip tips in front, NRG smalls as rears and a smaller NRG trailer. I have shared several of the Hanalei fin types with my surf buddies and they have all got on the bus. Checkout the Gearbox and Hanalei fins and boxes and dare to be different because you won't be disappointed. The boards just seem to move through the water faster, come off the bottom with grunt but still releases off the top with no stick. Cheers Robin Mair and Lancelot Pearson, you guys have changed lots of crews worlds!
              Lee Slaven, Torquay, Victoria (from Facebook)
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              I’ve been riding a lot of Hanalei Fins lately and have really enjoyed the ride. I keep coming back to these FTX (now XTC) fins. Everything is so positive. Nothing to compensate for. No bobble. No stalls. Just amazing drive and control. I’ve used them in my short Brds, fun Brds, guns, and tow Brds. All the Brds I rode they worked flawlessly and have definitely improved my surfing. Thx Robin and your expert design and foiling.
              Mitch Haynie - Mitchin Surfboards, Kauai (from Facebook)
            • account_circle
              Some new Hanalei Fins thanks to Lance & Robin absolute genius scientific technology behind forty plus years of surfing hand shaping & being self test pilot to come up with designed fin systems that just work!
              Mick Pierce - Eastern Light Surfboards, Victoria, Australia (from Instagram)

            News Articles

            • Fin Shed
              We are always being asked what our setup for making custom fins looks like and what tools are involved. This article shows what our shed in Hanalei looks like and the tools setup in the shed.
              HFINS Shed

              HANALEI FINS Shed

              This panoramic view shows the contents of our fin shed.

              Starting on the left is a work bench where we stage the fins and perform all of the finish sanding. In the center of the room is the actual foiling station that is surrounded by a rack on the left holding all of the sanders and grinders. These range from 3.5" to 8" in diameter, with the smaller ones being used primarily on the hollow foils. All of the sanders hook up to a dust collector to try and keep the dust under control.

              To the right of the foiling station is a dust collection system that is hooked up to the chutes below and to the right of the foiling station. This system is also hooked up to all of the stationary tools on the bench to the right. There are a series of gates in the dust collection system to control where the dust is being collected. This foiling station is also used to cutout the fin blanks using a jigsaw equipped with special diamond grit blades.

              The bench on the right has a combination belt and disc sander used to profile the fins and bases. An oscillating drum sander also used to profile curves. Router table for machining notches in the fin bases using end mills instead of router bits. Finally, a drill press primarily used to cut notches in GEARBOX fin bases, but also used to drill holes for pins and screws on regular center fins.

              Additionally, there is a table saw that is used to machine base thicknesses and cant angles on canard fins and FUTURES bases. Plus a thickness sander that is used to machine fin blanks to a consistent thickness when machining FUTURES bases and making regular center fins. These tools are to large to fit in the shed so they are located outside the shop.

              Small compact shed but really fun to work in as everything needed is close to hand! Literally a one man shop.

            • Custom Fin Production
              Our shop in Hanalei on the island of Kauai has been impacted by severe flooding, which is causing a delay in the production of custom fin orders. Both shops had 6" of water in them despite the fact that they are built 24" off the ground.
              WTF Design Timeline

              Flooding Update!

              Hanalei has experienced a very severe flooding event this last weekend.

              This event has impacted our custom fin production due to flooding in both shops. We are in the process of cleaning up the mess that was created. The hope is to be up and running by Monday.

              The photo shows the start of the event as the waters were rising for the first of the two floods. That is our car slowly being inundated. It has since been flooded twice with the worst being to the bottom of the door handles and is now totaled.

              We have experienced flooding before but never as severe as this with the worst part of this event being that the water was very muddy and has left behind a toxic layer of mud on everything. So we have to clean this up and disinfect everything to prevent mold.

              The shops are in the disinfecting stage and should be all done today. This will then allow us to put things back where they belong so we can start working.

              Mahalo for your patience as we work through this we will get your custom fin orders out as soon as possible.

            • WTF-425 Design Timeline
              We thought people might find it interesting to see the timeline for how the WTF-425 fin design came about. It stretches back to the dark ages but should be an interesting read.
              WTF Design Timeline

              WTF-425 Design Timeline

              Thought it might be interesting if people could see the timeline of where the design for the WTF-425 fin came from and the progression of the shape.

              It all started in a time long ago with the original design for the HAMMER(HS-S) fin. The idea behind this fin was minimal base for speed an turning, large blade for drive and control, and lots of blade extension for hold. This fin was a revelation in it's day!

              This then progressed to the H3-S, which is still in service.

              One day I was looking at the H3 wondering how I could add a little more feel into the design and came up with the original WTF-S template. The idea was to build on some of the characteristics of the H3, but shift some of the blade area into a more distinct tip at the back tip of the fin to enhance the feel. This lingered for awhile as there was some magic ingredient missing.

              In the meantime, another H5-S hammer design came about with a more pronounced but shorter blade. the other design change to the design was the introduction of a hollow foil on the inside face. Up until this design all of the hammer designs had flat inner face with 70/30 leading edge foils.

              Then I got side tracked by a design that had been lingering around for a couple of years that I resurrected as the DS-400. At this time we were starting experiment with the flipped tips based on the foil board wing designs we had done. The decision was made to give this design something special, which was to flip the entire blade out by 6º. The idea behind this was that it would really help the fin transition through turns as there would be two distinct surface to work off.

              No sooner had one of these been made that the original WTF design came to mind and we realized that flipping that design would be the missing piece of the puzzle. So the v2 version of the WTF was foiled. It had a 6º flip in the blade and another 16º of flip in the tip. The tip was flat on the inside face. This design worked well but it was not as versatile as it could have been.

              So finally we came up with the WTF-425 v5 (it progressed through a few variations and minor refinements) that had a large smooth tip, the base and mast of the DS, a little more area to the blade, and the same flip angles as the v2 version. A hollow foil was added to the tip. Also the hollow foiling on the inside face was radically tweaked to try and force the water to flow out the tip as the pressure built up on the blade. This was it! We spent a lot of time testing it (mahalo Mitch, Kevin & Chance) with a wide range of other fins in quad and thruster setups. No matter what was thrown at this fin in terms of wave size it just handled it, super fast, really a lot of drive through turns, and stable with lots of feel. In a way it is like a super canard fin in a quad setup, when setup as the front fin, where the fin really helps transition the board onto the back fin.

              Sorry about the length of this post but thought people might find it interesting to see how a design like this evolved. It certainly was not created in a vacuum. Lots of talk story!

            • New HRD-KORE Production Fins
              These are the next templates that we will be putting into production. The process has only just started so it will still be awhile, but we are on our way to making these new fins available.
              Missing image

              New HRD-KORE Templates

              We are in the process of preparing the latest additions to the HRD-KORE line of fins. These new templates are based on ones that we have been testing all winter in Hawai'i.

              The range currently consists of three side fins that can be used in quad or thruster combinations, and one center fin. There is also an additional side fin that will be added to this range at a later date.

              These are by far the most radical fins in our collection and at the same time they are also really good performers. All of the side fins featured flipped tips for increased performance. The WTF fin in the lineup has a double flip with the central blade flipped outboard, as well as the top tip.

              The image show a rough idea of the branding and coloring of these fins, this range will be an AMBER TINT color throughout the entire range. This will help differentiate this range from the other fins in the HRD-KORE lineup.

              All of the fins will feature SORIC cores with dual carbon bases.

              Needless to say we are extremely excited to be moving these fins into production as we feel they are going to provide surfers with an extremely viable alternative to the normal fins available in the marketplace.

              Below is a rough timeline for the delivery of these new fins. Unfortunately, it takes a little time to gear up for production but rest assured we will be moving forward as fast as possible.

              Production Timeline

              Fin Plug Completion Produce samples for each of the new fin templates
              March 6, 2018
              Fin Tooling Digitize each of the templates and start aluminum tooling
              April 30, 2018
              Production Samples Sample each of the new templates before production begins
              May 15, 2018
              Production Deliver production fins in quantity to Australia and Hawai'i
              July 1, 2018
            • Fin Dimension Updates
              Over the coming weeks we are going to be updating all of the dimensions on our fins to include the fin areas. This should make it easier for people to compare our fins with those of our competitors that provide these numbers.

              It is worth mentioning that caution should be used when comparing the areas of our fins with those of our competitors as our fins tend to have radically different shapes. Most of our designs have been optimized to use the least amount of area possible in order to minimize drag. Plus most of our fins have very narrow bases with more area in the body or tip of the fin. So use caution when comparing these numbers.

              In terms of effectiveness, our fins will typically perform as well, if not better, than fins with 10% - 15% more area, that are of more conventional shapes. With some of the designs the improvements can be even higher.

            • Winter Testing Report
              Here is a report on some of the fin combinations we have been testing this winter in Hawaii. These are some of the next fins that will be going into production in 2018, so they have had a very thorough testing protocol.
              WTF/XTC Fin Combo Foiled

              What The Fin!

              This is the primary combination of fins that we have been testing this winter in Hawaii.

              This combo of new fin designs has been seeing a lot of testing this winter, with a number of refinements being made in between rounds of testing. This setup is a total winner and the testing reinforces that feeling. The testing started out with both fins being from the XTC family, but then the WTF was introduced to the process and there was no looking back from there.

              These fins have been tested in a very wide range of conditions, from 3' faces all the way to +25' faces! The range of boards used for the testing have gone from small fishes and tow boards to guns. Conditions ranged from small and sloppy to super clean perfect Hawaiian surf. No matter what the conditions or board these fins just shone through providing dramatic improvements in handling, responsiveness and speed.

              All of the testers felt that this combo really improved their surfing. Everything felt positive with lots of drive and an amazing amount of speed. The overriding comments were that the WTF fins really help the board transition through the turns before delivering control to the XTC fin which would then drive the board through the rest of the turn. There was little to no loss of speed through the turns.

              Another surprising aspect of this fin combo was that they were largely completely agnostic to the fin box layout, tight clusters, spread clusters, close to the rail, further from the rail. None of these layout changes seemed to bother the setup and it just kept working in a really predictable and positive manner.

              The WTF-425 is 4 1/4" and the XTC-500 is 5.00", in height.

              WTF/XTC Small Fin Combo Foiled

              Finally, the WTF was also tested with a smaller version of the XTC the 4 1/8" XTC-413. This combo still worked really well, especially in smaller waves, making for a loose fast combo.

              Needless to say we are extremely excited with the results of all this testing and are now comfortable putting these fins into production. This is going to be critical for the WTF fin as it is a really complex fin to make by hand, not only does it use a lot of material, it is very complex to foil. The goal is to have these in stock by mid-May, stay tuned.

              NOTE: the fins in the photo have been foiled and are ready to be hand sanded and then branded and finished. We felt it helped to see the fins in their raw state as it shows off more of the details.

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