#165923 - 29/12/0612:03 PMRe: Know that if you do not post in this thread today the human race may cease to exist
Anonymous
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Quote:
Originally posted by Mobycat: That's flawed. You are now moving the glider in relation to the *calm* air - making it no longer calm to the glider.[/QB]
His example is not flawed. In it, the winch/truck/plane-not-on-a-conveyor (or on a conveyor, as it turns out) replaces a prop/turbine as a means of propulsion. None of these means are influenced by the conveyor.