the forward vector is not produced by the curve.

Just a quick note, Sails are curved on both sides and yes that curve
has a great deal to do with moving the boat.


oxxy, give it up. you make any first year aero eng student choke and gag
with
your silliness. you are dumber than his sister, and she is still in high
school.
T'would be interesting to hear from your vast wealth of knowledge why
the curve then has nothing or little to do with moving the boat.


Oz1...of the 3 twins.

I welcome you to crackerbox palace,We've been expecting you.