Originally posted by TonyEnglish
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An airplane on a treadmill: will it take off?
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I am not qualified to give the above advice!
The original point and click interface by
Smith and Wesson.
Step back, have a think and adjust my own own attitude from time to time -
obviously if it was one of those fancy treadmills that elevates the front end up then obviously the plane will fly up - otherwise the plane would crash into the nearest hedgeComment
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Originally posted by scooterscot View PostI was delivering a van full of Budgerigars to the pet shop the other day and I thought would the van be any lighter if they were in flight during transit???I am not qualified to give the above advice!
The original point and click interface by
Smith and Wesson.
Step back, have a think and adjust my own own attitude from time to timeComment
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The answer depends on how the question is interpreted. If the treadmill and plane are at rest wrt to each other (like a runner on a treadmill) and the question is will the plane generate lift (i.e. take off and fly away with a small increase in engine power) if the treadmill goes fast enough. Then the answer is no, there is no lift. If the plane can ignore its speed wrt the treadmill (unlike a runner on a treadmill except on people do the funniest things), in which case the treadmill is just a red herring except for a small amount of friction to overcome at the wheels, then the answer is yes.Last edited by TimberWolf; 17 June 2009, 11:59.Comment
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Originally posted by The Lone Gunman View Postand the barrier and the drinks would disappear as if they were not there either minced by the prop or crushed by superior mass, or are we talking model plane?Rule Number 1 - Assuming that you have a valid contract in place always try to get your poo onto your timesheet, provided that the timesheet is valid for your current contract and covers the period of time that you are billing for.
I preferred version 1!Comment
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Science isn't about why, it's about why not. You ask: why is so much of our science dangerous? I say: why not marry safe science if you love it so much. In fact, why not invent a special safety door that won't hit you in the butt on the way out, because you are fired. - Cave JohnsonComment
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I have always wondered about this question (cannot open the Youtube link so am shooting blind)
If we rephrase the question and ask whether an airplane which is kept staionary (by some method such as a treadmill) would it take off
The answer is surely no - because no matter how much thrust the engines give the plane is stationary and therefore there is negligble air flow over the wings and thus the plane would not take off (if this was not the case I would imagine we would have a lot of very short run ways for taking off)
I reckon anyway??Comment
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Randall Munroe (xkcd) has an interesting and informed article on the subject...
http://blag.xkcd.com/2008/09/09/the-...amn-treadmill/B00med!Comment
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Originally posted by original PM View PostI have always wondered about this question (cannot open the Youtube link so am shooting blind)
If we rephrase the question and ask whether an airplane which is kept staionary (by some method such as a treadmill) would it take off
The answer is surely no - because no matter how much thrust the engines give the plane is stationary and therefore there is negligble air flow over the wings and thus the plane would not take off (if this was not the case I would imagine we would have a lot of very short run ways for taking off)
I reckon anyway??Comment
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Originally posted by original PM View PostI have always wondered about this question (cannot open the Youtube link so am shooting blind)
If we rephrase the question and ask whether an airplane which is kept staionary (by some method such as a treadmill) would it take off
The answer is surely no - because no matter how much thrust the engines give the plane is stationary and therefore there is negligble air flow over the wings and thus the plane would not take off (if this was not the case I would imagine we would have a lot of very short run ways for taking off)
I reckon anyway??
In the words of Dave Gunson - "you can have as many take-offs as you like, they're free. We only charge for landings!"Comment
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