You guys have all lost your focus.
The orginal question, as posed on XOC, specified a Conveyer Belt, not a treadmill.
Any discussion of "treadmills" is therefore off topic and all such posts should be deleted out of respect for the original poster.

Quote:
Originally posted by Hawk:
How about this.....lets see if this can get to the ALR:

A plane is standing on a runway that can move (like a giant conveyor
belt). This conveyor has a control system that tracks the plane's
speed and tunes the speed of the conveyor to be exactly the same (but
in the opposite direction).

Will the plane be able to take off?