Originally Posted by
tomgoodman
But if the wheels turn fast enough, their motion will approach the speed of light and they will gain enormous mass, making the airplane too heavy to take off.

Post of the week!!! Well played sir!
Reminds me of a guy who told me he greased on every landing.
He flies the plane to within a few millimeters of the ground. The heat created between the small gap of the ground and tires would cause the tires to slightly expand and bazinga.......a grease job every time.