On what? The wing arrangement, the profile, the idea of a TT hydrofoil?Hawaiis wrote: Please inform FK24 that I have a provisional patent since 2013.]
Anhedral adds both Roll and Yaw stability to the foil. If we put anhedral on all three wings, the prop wash will be closer, there will be more turbulence for the foils in the back. There are too many factors at play. Just have to pick the best compromise.davesails7 wrote:Wouldn't anhedral be more effective on the two smaller wings than on the center, large wing? The point of the anhedral is to add directional stability in yaw, correct? I think it would be much more effective if it was further out from the center of rotation.
The patent is still pending.ozchrisb wrote:On what? The wing arrangement, the profile, the idea of a TT hydrofoil?Hawaiis wrote: Please inform FK24 that I have a provisional patent since 2013.]
Diehedral on the two smaller wings will probably add more Kangaroo effect hence better for jumping.wil wrote:Interesting discussion. Especially the concern of revhed for my safety. I would have thought that a high drag twin tip hydrofoil would be flying a lot slower than a super sleek directional hydrofoil.
Looking at the clip from HawaiiS on his twin tip it appears to move quite slowly through the water. If that is the case the chance of horrific accidents are probably no greater than flying a modern fast directional hydrofoil.
It is a pity that we don't have a clear video (from land) to see how the HawaiiS twin tip rides.
In regards to where to put anhedral - dihedral on centre wing or outer wings I am still a bit confused.
Looking at the photo that revhed attached it looks like anhedral on the centre wing and dihedral on the outer wings. Looking at the photo it appears that the rider is pretty confident. He must have been able to build up quite a bit of speed to lift out of the water.
HawaiiS do you think that that the tips on the wings can be rounded off so there are no actual sharp edges (similar to the photo attached by revhed) compared to your very sharp and square wings.
Cannot wait to get the call from the welders to have a go.
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