I cannot emphasize enough the importance of using a flex fin on these designs. The flex allows the board to maneuver smoothly and release the board onto its rail smoothly during a down the line bottom turn. A rigid fin will not provide this smooth transition and will pivot with no forward acceleration.
Fibre Glas Fin Co. G.L. Flex Fin
It is essential
that the center fin have this particular type of flex, not a soft
bending over flex, but a high tension flex that bends concave
and gradually into the base of the fin. It lets power on and off
evenly and smoothly resulting in a high speed and flowing style
All the designs come with a single flex fin. . They are made with volan fabric, sanded smooth with no finish coat. Flex fins should be maintained by sanding out any small dings which can cause delamination and further breakage.
My flex fins are made by Larry Allison at Fibre Glas Fin Company using my template and specs. The Fibre Glas Fin Company fins are foiled so that they provide the "concave" flex as shown in the photo above.
To purchase Flex Fins please contact Larry Allison directly:
also try Mollusk Surf Shop
depths: 8.5N, 9.0N, 9.5N, 10.0 N and 8.5 W, 9.0 W, 9.5 W
N = Narrow Base and W = Wider Base