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For those that say it will take off, then it will take a very long treadmill, about the length of a runway, perhaps?
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Not "about" as long as a typically runway. EXACTLY as long as a typical runway. Take off distance of the plane will be the exact same as if it was a solid, non-moving surface underneath it. Again, the rotation of the tires do not effect the motion of the plane. There is no connection between the tires and the airframe, except a pin that allows the tires to rotate freely around it.[/QB]
well, thats not really a treadmill now, is it?

look up the definition of treadmill. There is a key part to the definition, the object on the belt remains stationary. You got the plane moving a 1/4 mile or more = not stationary, ipso facto, your plane is not on a treadmill.