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Airplane VS Treadmill by Jncomutt
Started on: 12-12-2007 08:03 PM
Replies: 94
Last post by: blackrams on 12-16-2007 04:36 PM
The Poopsmith
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Report this Post12-14-2007 05:22 PM Click Here to See the Profile for The PoopsmithSend a Private Message to The PoopsmithDirect Link to This Post
Does that mean that Mythbusters has to test more then one plane vs treadmill scenarios. I only thought there was one that was really relevant to what an airplane does and what a treadmill does.

[This message has been edited by The Poopsmith (edited 12-14-2007).]

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rogergarrison
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Report this Post12-15-2007 06:57 AM Click Here to See the Profile for rogergarrisonSend a Private Message to rogergarrisonDirect Link to This Post
The fact is that if the plane is not moving RELATIVE TO THE SURROUNDING AIR, it WILL NOT fly period. How fast the wheels are going, the treadmill is going or the engine is running has no effect. The only exception may be a plane like the Osprey which has large enough propellers to generate enough lift over the wings to fly it.

My plane , without the treadmill , will fly in the air after take off with the engine off, yet I can do a runup say 2500 rpm sitting on the runway without taking off. The engine and propellers have no effect with the brakes on because it is not going forward relative to the air and they wont generate enough lift to do anything but possibly lift the tail...and that would be due to elevator deflection from prop wash.......not generated lift.
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The Poopsmith
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Report this Post12-15-2007 12:07 PM Click Here to See the Profile for The PoopsmithSend a Private Message to The PoopsmithDirect Link to This Post
Hey wait I've got a new one for us to ponder. Lets say you have an airplane and you put it in the dryer and run the dryer at a speed that would create enough lift to fly the plane would it do barrel rolls all the time or just sit hovering in the middle of the surround air?
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AJ7
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Report this Post12-15-2007 02:51 PM Click Here to See the Profile for AJ7Send a Private Message to AJ7Direct Link to This Post
 
quote
Originally posted by The Poopsmith:

Hey wait I've got a new one for us to ponder. Lets say you have an airplane and you put it in the dryer and run the dryer at a speed that would create enough lift to fly the plane would it do barrel rolls all the time or just sit hovering in the middle of the surround air?
rofl

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Cheever3000
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Report this Post12-15-2007 05:12 PM Click Here to See the Profile for Cheever3000Send a Private Message to Cheever3000Direct Link to This Post
 
quote
Originally posted by The Poopsmith:

Lets say you have an airplane and you put it in the dryer and run the dryer at a speed that would create enough lift to fly the plane



No, that dryer will not fly!


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The Poopsmith
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Report this Post12-16-2007 01:30 AM Click Here to See the Profile for The PoopsmithSend a Private Message to The PoopsmithDirect Link to This Post
 
quote
Originally posted by Cheever3000:

No, that dryer will not fly!



Well what if the dryer were located in an international airport which had an entire runway that was a treadmill whose only purpose was to inhibit aircraft from taking off? Perhaps the dryer was aboard an actual functioning aircraft in mid flight and perhaps that air craft was transporting helium filled balloons now lets say all the avionics were calibrated to the China International airport but was descending into Denver International will the airplane try to land upside down? Will it succeed? As you can see this myth runs very deep down the rabbit hole.

I can't wait until MythBusters airs the results to this long discussed discussion.
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TK
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Report this Post12-16-2007 02:24 PM Click Here to See the Profile for TKSend a Private Message to TKDirect Link to This Post
Here's how I look at it. Pick up a plane and spin the wheels by hand. Does it fly out of your hand? No.

No amount of spinning will make it fly.
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blackrams
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Report this Post12-16-2007 02:49 PM Click Here to See the Profile for blackramsSend a Private Message to blackramsDirect Link to This Post
 
quote
Originally posted by TK:
Here's how I look at it. Pick up a plane and spin the wheels by hand. Does it fly out of your hand? No.
No amount of spinning will make it fly.


TK,
I'm trying to figure out exactly what spinning the wheels has to do with the A/C flying? Please elaborate.
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fierofetish
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Report this Post12-16-2007 02:59 PM Click Here to See the Profile for fierofetishSend a Private Message to fierofetishDirect Link to This Post
GOOD GOD!! ARE YOU LOT STILL ARGUING????????? THE PLANE WILL FLY!!!!! jUST TAKE A SMALL % LONGER THAN NORMAL, DUE TO THE EXTRA DRAG COEFFICIENT CAUSED BY THE WHEELS HAVING TO TURN QUICKER!!! Bwahahahahahah!!!
Nick
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blackrams
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Report this Post12-16-2007 03:13 PM Click Here to See the Profile for blackramsSend a Private Message to blackramsDirect Link to This Post
 
quote
Originally posted by fierofetish:

GOOD GOD!! ARE YOU LOT STILL ARGUING????????? THE PLANE WILL FLY!!!!! jUST TAKE A SMALL % LONGER THAN NORMAL, DUE TO THE EXTRA DRAG COEFFICIENT CAUSED BY THE WHEELS HAVING TO TURN QUICKER!!! Bwahahahahahah!!!
Nick


Nick,
As I asked my kids when they were young, please use your quiet voice. Thank you.


------------------
Ron

It's the Soldier, not the reporter
Who has given us the freedom of the press.
It's the Soldier, not the poet,
Who has given us the freedom of speech.
It's the Soldier, not the politicians
That ensures our right to Life, Liberty and the Pursuit of Happiness.
It's the Soldier who salutes the flag,
Who serves beneath the flag,
And whose coffin is draped by the flag.

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fierofetish
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Report this Post12-16-2007 03:53 PM Click Here to See the Profile for fierofetishSend a Private Message to fierofetishDirect Link to This Post
sorry!! !!
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fierofetish
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Report this Post12-16-2007 03:56 PM Click Here to See the Profile for fierofetishSend a Private Message to fierofetishDirect Link to This Post

fierofetish

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quote
Originally posted by fierofetish:

GOOD GOD!! ARE YOU LOT STILL ARGUING????????? THE PLANE WILL FLY!!!!! jUST TAKE A SMALL % LONGER THAN NORMAL, DUE TO THE EXTRA DRAG COEFFICIENT CAUSED BY THE WHEELS HAVING TO TURN QUICKER!!! Bwahahahahahah!!!
Nick

Actually, I am wrong, in a way !! It wouldn´t take longer to take off, just a %more thrust than normal, to counteract the drag from the wheels!!
Nick


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Red88FF
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Report this Post12-16-2007 04:09 PM Click Here to See the Profile for Red88FFSend a Private Message to Red88FFDirect Link to This Post
This thread is like a train wreck, you know better, but you just look anyways.


Ya, I guess I enjoy looking at wrecks too!
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Formula88
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Report this Post12-16-2007 04:29 PM Click Here to See the Profile for Formula88Send a Private Message to Formula88Direct Link to This Post
 
quote
Originally posted by Red88FF:

This thread is like a train wreck, you know better, but you just look anyways.


Ya, I guess I enjoy looking at wrecks too!


Yeah, but at least the treadmill could stop a train.
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blackrams
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Report this Post12-16-2007 04:36 PM Click Here to See the Profile for blackramsSend a Private Message to blackramsDirect Link to This Post
 
quote
Originally posted by Formula88:
Yeah, but at least the treadmill could stop a train.


Well now, is that train running with or against the direction of travel of the treadmill or is it running perpundicular to the direction of travel of the treadmill? It does make a difference. What voltage treadmill is it? Many things to consider, just as the commercial says, it takes a lot to stop a Trane.

------------------
Ron

It's the Soldier, not the reporter
Who has given us the freedom of the press.
It's the Soldier, not the poet,
Who has given us the freedom of speech.
It's the Soldier, not the politicians
That ensures our right to Life, Liberty and the Pursuit of Happiness.
It's the Soldier who salutes the flag,
Who serves beneath the flag,
And whose coffin is draped by the flag.

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