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Airplane on a conveyer belt. <evil grin> #936 08/05/11 01:59 AM
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The Fishing Physicist Offline OP
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• There is NO wind.

• An airplane is placed on a giant conveyer belt.

• The conveyer belt is connected to to a computer and sensor system,
such that the conveyer belt will turn the exact same speed as the
airplane but in the opposite direction that the airplane is traveling.

•• Will the airplane be able to takeoff?


TFP


Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #945 08/05/11 03:10 AM
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Under it's own propulsion the answer is yes, from the conveyor belt, alone, the answer is no. Propulsion will generate forward movement regardless of the conveyor speed, forward movement means movement of air over the wings creating a negative pressure zone over the wings thus producing lift. Did I get it right? (sinister grin)


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Re: Airplane on a conveyer belt. <evil grin> [Re: Bob Smith] #948 08/05/11 04:14 AM
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Originally Posted by Bob Smith
Under it's own propulsion the answer is yes, from the conveyor belt, alone, the answer is no. Propulsion will generate forward movement regardless of the conveyor speed, forward movement means movement of air over the wings creating a negative pressure zone over the wings thus producing lift. Did I get it right? (sinister grin)


It’s too early for me to post the answer. He, he....


TFP


Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #963 08/05/11 12:14 PM
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Yes, but the wheel bearings are gonna get pretty hot. smile

edit: the tires might also explode from spinning too fast. They probably would not explode at the same time thus creating a drag on one side which would then cause the airplane to veer off of the conveyer belt and explode in a giant ball of flame amongst the spectators.

Last edited by StephenB; 08/05/11 12:30 PM.
Re: Airplane on a conveyer belt. <evil grin> [Re: StephenB] #1001 08/05/11 07:30 PM
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Craig Offline
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according to mythbusters yes it will.

Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1005 08/05/11 08:13 PM
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I'm no engineer, but if it's not physically moving forward, there would be no air movement around the wings, therefore no lift?


You old fart, you did it again!
Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1037 08/06/11 07:00 AM
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buzzbuster Offline
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Just remember it all comes down to Thermal Osmoses.


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Re: Airplane on a conveyer belt. <evil grin> [Re: buzzbuster] #1058 08/06/11 08:23 AM
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Originally Posted by buzzbuster
Just remember it all comes down to Thermal Osmoses.


Nope, Bernoulli Effect.

TFP


Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1133 08/06/11 10:50 PM
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Forgot your a Fishing Physicist Hahaha


Mike
Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1188 08/07/11 10:24 PM
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bojangles Offline
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Yes


I want my freedom back!!!!!
Never know what you have missed unless it is threatened to be taken away from you!
Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1200 08/08/11 12:40 AM
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I was going to say I saw this on Mythbusters but could not remember the outcome.

Re: Airplane on a conveyer belt. <evil grin> [Re: dannyp] #1205 08/08/11 12:50 AM
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Bob Smith Offline
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The plane took off, Danny, but it was under it's on power. wink


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Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #1547 08/11/11 02:30 AM
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Over on the TFF this subject has perhaps generated more post total than any other subject ever discussed on the TFP.

Who’d a thunk?

TFP


Re: Airplane on a conveyer belt. <evil grin> [Re: The Fishing Physicist] #20522 06/19/21 09:14 PM
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Condiments generate interest here…

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