We weren't talking about speed, the issue was one of understanding. The triangle of velocities is an easy enough concept, but if as the first poster stated:
or if you are a mechanical genius, I would really appreciate some help in understanding these.
he is clearly having a problem with the navigation computer. If he can learn to work it out without one, then he can learn to speed up with one. I would suggest that someone who is trying to get to grips with the Microlight Handbook is not in a position to rely on "pure experience" either.