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  #1  
Old 11-23-2005, 09:36 AM
Slow Play Ray Slow Play Ray is offline
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Default think about this...

There is a plane (Boeing 777, prop plane, whatever) on a moving, conveyor-type runway. The runway moves in the opposite direction of the plane at the exact same speed as the plane's wheels. There is no wind. Can the plane take off?
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  #2  
Old 11-23-2005, 09:38 AM
crunchy1 crunchy1 is offline
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Default Re: think about this...

What kind of plane?
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  #3  
Old 11-23-2005, 09:39 AM
noggindoc noggindoc is offline
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Default Re: think about this...

depends...is the pilot stoned?
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  #4  
Old 11-23-2005, 09:40 AM
MelK MelK is offline
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Default Re: think about this...

If there is no wind speed, there is no lift. OTOH, you could be facing a strong headwind. Insufficient data to answer your question.
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  #5  
Old 11-23-2005, 09:40 AM
Mars357 Mars357 is offline
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Default Re: think about this...

Airspeed = 0 the plane cannot take off. This would be the same if the plane had a tail wind that was = to it's forward motion.
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  #6  
Old 11-23-2005, 09:41 AM
NutCrackerr NutCrackerr is offline
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Default Re: think about this...

No
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  #7  
Old 11-23-2005, 09:41 AM
MelK MelK is offline
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Default Re: think about this...

[ QUOTE ]
Airspeed = 0 the plane cannot take off. This would be the same if the plane had a tail wind that was = to it's forward motion.

[/ QUOTE ]

Good answer, but just seconds too slow. [img]/images/graemlins/grin.gif[/img]

edit:
I see Ray has altered the OP to provide some of the lacking information. My "insufficient information" answer was clearly the correct one. [img]/images/graemlins/wink.gif[/img]
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  #8  
Old 11-23-2005, 09:42 AM
mostsmooth mostsmooth is offline
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Default Re: think about this...

this doesnt require much thought
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  #9  
Old 11-23-2005, 09:42 AM
Slow Play Ray Slow Play Ray is offline
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Default Re: think about this...

[ QUOTE ]
this doesnt require much thought

[/ QUOTE ]

so what's your answer? maybe it requires more thought than you're giving it credit for.
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  #10  
Old 11-23-2005, 09:49 AM
mostsmooth mostsmooth is offline
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Default Re: think about this...

[ QUOTE ]
[ QUOTE ]
this doesnt require much thought

[/ QUOTE ]

so what's your answer? maybe it requires more thought than you're giving it credit for.

[/ QUOTE ]
if im reading your question right, it will absolutely take off
maybe im stupid
[img]/images/graemlins/confused.gif[/img]
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