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coxy31 said..dachopper said...So finished my $200 carbon foil setup, and bodged together the smallest board I thought would work.
The whole process was a bit if an experiment with filament winders, wood mandrels, hollow carbon tubes. Expanding foam and plywood.
Wingspan 40cm, chord 15cm. Great maneuverability, pivots on the spot due to larger chord. Going to make some winglets during the week, and see if they add much. Rammed the bottom a few times, and everything held which was good ! Rail shape slices through chop ok, I was able to stay up without footsteps. Feels like a faster foil, but the shape has more drag than most fast foils, meaning you have to ask for death speed, rather than it giving itself to you with wrong kite placement.
Have plans to make a production type mast and fuselage, which will shrink the width to under say 12 mm for the mast, and 15-20 width for the fuselage, although 12-15 would be do-able also.
My mate who has never foiled before had a crack, and some nice little 20-30 meter seshes, before ventilation of the main foil.
Think I can do something special with the mast, that will benefit shallow water starts too :)
Looks great, I see you gave into some pre woven fabrics tho.. Is the mast just glued to the fuselage and top plate or is that just a sorta bog radius..
It's got to be the best / only Hydrofoil made in the middle east :)
The board was a complete afterthought, and really just a method to test the way that I attached the Foil parts together.
You would be amused at the lack of resources over here. But all I had laying around was carbon weave and wood sealing resin- so the board has some weave on it, and the rear stab, but that's all - everything else is filament wound.
I used a structural mix with filler, and then I used a just a different THIXOTROPIC epoxy on another bit to see the difference. The latter getting the job done fine.
So - I think filament winding is most beneficial for the mast and the fuselage, and if you have a non tapering foils.
We have the stuff we need now to make a proper mandrel, with the right glue.
and we will shrink the fuselage down to match the mast, and taper at the rear
In the time being, taking the foil out again on Friday to see if I can foil gybe, tack and try getting to VNE.