ORIGINAL: dick Hanson
Unless the craft can cause a pressure change under and ahead of it's self
what is it riding on?
a ground effect has to be SOMETHING which contributes to bouyancy -if not what is it?
Proper use of speed and rate of climb is another issue
"the speed needle has to increase faster than the rate of climb needle or you quickly return to starting point. I disregard nothing but also don't accept anything I can't proove.
“bouyancy” buoyancy?? Whatever floats your boat I guess but we were talking about airplanes. If my point by point responses to mikenlapaz questions in post #18 are incorrect or misleading please explain my error/s and provide references to creditable data sources.