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 Message Boards » » tough engineering question, need help Page 1 [2], Prev  
ALkatraz
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Quote :
""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).
"


The plane will take off and the wheels will be rotating at twice the speed.

4/12/2009 8:58:05 PM

pooljobs
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Quote :
"Think of a sea plane"

the only comparison would be a river flowing the same speed as the plane in the opposite direction, thus keeping it still

but close

4/12/2009 9:09:54 PM

moron
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http://www.thewolfweb.com/message_topic.aspx?topic=499574

4/12/2009 9:10:37 PM

pooljobs
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lots of talk, but no one has supported what they say

4/12/2009 9:15:24 PM

NeuseRvrRat
hello Mr. NSA!
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A+++ trolling

4/12/2009 9:40:20 PM

Mindstorm
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Fantastic trolling.



Because nobody can be this bloody stupid.

[Edited on April 12, 2009 at 9:44 PM. Reason : Consider the pics a warning. We must stop feeding ze trolls!]

4/12/2009 9:44:06 PM

ALkatraz
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Quote :
"lots of talk, but no one has supported what they say"


The wheel is a pinned connection and cannot support a moment. It spins freely whether the ground is moving at any speed or is not moving at all.

4/12/2009 10:20:32 PM

agentlion
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Quote :
"Quote :
"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).
""


false premise. impossible to implement IRL.
end of story.


of course i assume, pooljobs and wickerman are just trolling, so, whatever.....

4/13/2009 12:20:28 AM

Wickerman
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[Edited on April 13, 2009 at 12:35 AM. Reason : .]

4/13/2009 12:27:31 AM

Wraith
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This is all the support needed:

http://www.youtube.com/watch?v=YORCk1BN7QY

4/13/2009 2:26:47 PM

modlin
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2.45 meters, and 5 meters.

4/13/2009 2:42:42 PM

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