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Old 10-18-2006, 02:11 PM   #1
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if a plane was on a conveyer belt, matched to the speed of the plane but in the opposite direction, would it be able to take off?
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Old 10-18-2006, 02:13 PM   #2
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No.
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Old 10-18-2006, 02:15 PM   #3
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I wouldn't think so because I recall a law that if an equal yet opposite forces act on each other,it would cancel it out. Now the plane is a equal force and the belt is a equal force but opposite so thus it would cancel each other out thus making it stationary
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Old 10-18-2006, 02:17 PM   #4
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yes, because the wheels do not drive the plane, thrust drives the plane
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Old 10-18-2006, 02:17 PM   #5
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I got a good example to help understand this.

Think of the plane as a person and the belt as a treadmill. You're running the same speed as the belt is rotating. Do you move?
No.

See what I mean?
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Old 10-18-2006, 02:19 PM   #6
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Quote:
Originally Posted by toastedoats
yes, because the wheels do not drive the plane, thrust drives the plane
x2

wheel speed has nothing to do with air speed.

this has been asked and discussed on here before
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Old 10-18-2006, 02:23 PM   #7
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the last time we had this discussion the post was locked by the big man himself.

do a search.
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Old 10-18-2006, 02:25 PM   #8
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What about the concept of lift? I would assume the plane needs to get moving to get air under the wing and above the wing to take off?
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Old 10-18-2006, 02:26 PM   #9
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Quote:
Originally Posted by corvettecrazy
Quote:
Originally Posted by toastedoats
yes, because the wheels do not drive the plane, thrust drives the plane
x2

wheel speed has nothing to do with air speed.

this has been asked and discussed on here before
Yep....

http://www.bonnevilleclub.com/forum/...829&highlight=
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Old 10-18-2006, 02:27 PM   #10
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Quote:
Originally Posted by fuelforthesoul1999
What about the concept of lift? I would assume the plane needs to get moving to get air under the wing and above the wing to take off?
the point is that the plane WILL mover, because the wheels will just spin freely on the conveyor, meanwhile the engines will be exerting force pushing the plane forward
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