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dejavu said..leto said..dejavu said..
The bottom shape should work really well with the newer HA winging foils and it has enough volume, at least for me (68 kg.), to knee start with a wing together with a short length (4' 10"), so little swing weight. The wing craft has a bottom shape, which appears to favour lower aspect foils.
I wonder how you can tell what bottom shape favors what wings? I remember the discussion where people said that plain square shaped tails with sharp 90 degree rails work best and supposedly all these complex and compound concaves and cutouts make things/takeoff harder.
My understanding is that any bottom shape that gets the board up to speed quickly works well with the higher aspect foils and for lower aspect foils the boards with the tail that allows the rear end of the board to be easily sunk and pumped work well. There seem to be a lot of variables -- any board that would plane quickly should get up on foil pretty fast. Do cut outs hurt this -- why? They're used in race windsurf boards that need start up speed as well as very good average top speed. More wing boards are going the simple shape route (fairly wide thick flat tail) as the HA foils gain popularity.
I think a lot of the boards initially used for winging were built for SUP foiling. I think Board Designers initially stuck with SUP foiling shapes and simply shrunk the physical sizes.
What was interesting with the Fanatic gear was all the maroon coloured boards were essentially the same design except the 95L. The 95L is my opinion was a really great board for winging because of the very square tail and the mostly flat area through the board. It released from the water well.
Fanatic seem to be now moving more towards the 95L design as they learn what works best for winging (rather than SUP foiling).
For super low wind, the best two boards I have seen are the Naish 150 and Naish 130 hybrid. Sharp rear and very flat through the middle and long, so they plane well. Really easy to get on-water planing speed before you pop up onto the foil.
Most people will end up with a few boards, a few foils and a lot of wings to cover the full spectrum of conditions.