Iam shaping a board from scratch. I'm using hand tools. The rails have me scratching my head . my intent is not hard, not round but 80/20. I have room to work as iam not at my widths yet.
how can I maintain a consistent shape, and should I alter it toward the rear?
its a FSW shape 105liters plan, generally like a Simmer Quantum, Tri fin.

At this point some of the blank looks to be FAT, but I'm afraid to remove too much, IM using a Skate as thinckness guide, by a measure .

Shape and rail suggestions, most welcome . Other pick on me remarks ok, I have thick skin sometimes.

At 225 lbs/ 102 kg I always feel like when ever I windsurf or windfoil on free ride gear there is just not enough float especially in light air. I also am not interested in super wide full blown race boards with 10 meter sails. So I designed and built this board to suit my needs for a one board windfoil quiver.

In sub foiling conditions this board it is super fun to cruise around on and even do light air free style as it feels like a long board in a way because of all the float. In marginal foiling weather, it shines with windward ability and early lift. In a breeze, it's short length and good balance make it nimble and easy to steer. I rode a low volume narrow tail board for a couple of years now and it made my feet fatigue and just wore me out. This board is so much more fun and easier in all conditions. Stay tuned for more reports and maybe a video.

Many thanks to David Ezzy for his input on the design.

Water Craft Design Custom Windfoil Board
Length: 6'6"/ 198 cm
Width: 34"/ 86 cm
Thickness: 4" / 10 cm
Volume: 177 liters
Construction: Carbon and Innegra over eps blank
Weight: 21.5 pounds / 9.75 kg
Program: Big Boy Freefoil in 8-30 knots
Sail size: 8^m to 4^m2

Designed in 3D using Rhino software









Blank

Off the shelf Gofoil Box modified for tracks




Ready for lami

Bottom bagged
Bottom lami ready for bag


Finished deck shape

Foot strap inserts

Test samples, scale and test hammer!