Quote:
Originally posted by JeffW:
Quote:
Originally posted by NY Madman:
[b].........you are making premature assumptions of which you may be wrong or may be right. But for some reason you are refusing to explore that possibility.
Let's agree on what assumptions are sensible then. All of the assumptions below apply to virtually all aircraft.

Plane is powered by engines that push air (props or jets)
Plane's speed is measured by a windspeed meter as well as GPS
Plane's wheels spin freely
Wheel friction is negligible when compared to thrust
Newtonian physics apply

If all of the above assumption are true, the plane takes off normally with just a little extra wheelspin.[/b]
So far what you have written is correct.

However it is NOT the entire picture. You are ignoring the possible difference in the fluid air and atmosphere involving the scenario vs. normal conventional takeoff.

There is more involved in flight than just the engine pushing against the air.

In the time we have been discussing this issue I feel there may be a complex problem or difference that may involve something complex called Computational Fluid Dynamics.

Just you saying the relationship of the plane to the outside air in the scenario and a conventional runway takeoff is the exact same.... doesn't make it so.
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