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[quote][i]Originally posted by Ste[/i] FFS the plane will take off. the wheels will free wheel on the conveyor belt and only the friction in the bearings will cause any force to move the plane backwards. as the engines accelerate the will easily ~(within 10% of the engines potential thrust) start moving the plane forwards. if you say the belts speed increases proportionately with the speed of the aircraft then the wheels will meerly spin faster but the drag coefficient of the bearings will remain constant therefore not affecting the forwards momentum of the plane. it will continue to accelerate untill it reaches the airspeed needed for that particular plane to take off (boeing 737 ~ 130-155 knots depending on weight). the only difference will be that the usual distance needed to take (1671 meters) will now be slightly further due to the drag of the wheel bearings. [b]THE PLANE HAS NOW TAKEN OFF. PLEASE STOP ARGUING AS THIS IS THE DEFINITIVE ANSWER. AND YES I AM QUALIFIED TO ANSWER THIS QUESTION.[/b] [/quote]
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