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Originally Posted by Nitewulf
Thank god a pilot has dropped in and explained it. I tried with the visual links so they could look at it for themselves. Airspeed is the only factor in it! Thrust + Resistance(non-moving air)= Forward velocity. In the intance of the bearings, as long as it wasnt made a habit, I believe a one time take off it would survive. Relatively, look at the hotwheels on the treadmill, short duration, its fine, leave it there for a while and you'll melt those plastic wheels.
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One more time for the last two posters. We're not saying the plane would simply 'takeoff' without going anywhere. The plane would have airflow over the wings because a treadmill simply cannot stop a plane from moving. I understand that you're a pilot, and that sometimes planes don't take off at full throttle, but uhh...we're trying to make the plane take off. We're going to use full throttle. As such theforce of the engines AT FULL THROTTLE would certainly overcome friction from the weight of the plane on it's wheels.
As a side note, I am curious however about the effect of a treadmill big enough to create these kinds of speeds, whether it would create a signifigant draft itself. Heck, if the treadmill really spun up to 300mph, it might be enough to provide an extra element of lift to lessen the friction on the wheels, allowing the plane to take off in a shorter distance than regularly required. That'd really piss off all the 'won't take off' people.
