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Originally posted by TravelingFool:
How in the hell would a float plane take off then? They have no wheels at all!
They accelerate (move forward) via thrust through fluid air creating lift.

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What if the treadmill were made of ice and the plane had skates instead of wheels? The plane would still have no forward motion relative to a bystander, but if you turned on the engines... WHOOSH, it would most certainly move forward and fly.
I don't believe anyone has questioned forward acceleration, lift and flight.

In this scenario there is no groundspeed. There is no forward acceleration through fluid air.

I have often used the term "viable flight". In this scenario how is viable flight possible without proper angle of attack? That requires forward motion through fluid air. It cannot be achieved in this scenario on a conveyor belt.

No one is discussing the many other factors required for flight. This hypothetical is a recipe for nothing but disaster. Flight may be achieved for a second prior to crash, but I seriously doubt any "viable flight" can be achieved via this hypothetical situation.
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