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Posted

This topic was posted on the Raptor Forum, and has started quite the discussion...what do you all think?

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) instantly.

Will the plane be able to take off?

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Posted

no its wont its not the speed of the planes wheels it is air speed that lets a plane take off. the air moving over/under the wings causes lift. if the speed of the conveyor matches speed of the planes wheels its not moving forward and there is no air is moving around the wings=no lift=no takeoff

Posted

it will without a doubt take off. the conveyor will just double the speed of the wheels. It is propulsion that moves the plane forward giving it lift, not drive wheels (i.e. like a car with wings.)

Posted

im with vegas style... the only lift being produced is what is coming off the prop and that isnt enough to get the plane moving essentially if its stationary... You guys should have a good look at bernulli's law..

Posted

It wont take off, it has no forward movement...thus no airflow to create lift. That simple.

It does have airflow.. but propwash isnt enough to create the amount of lift required to get the bird off the ground :D

Posted

it doesnt MATTER what kind of plane no airflow = no lift no lift = no fly the prop pulls the plane causing momentom not airflow momentom creates the air flow causing the lift.

Posted

no its wont its not the speed of the planes wheels it is air speed that lets a plane take off. the air moving over/under the wings causes lift. if the speed of the conveyor matches speed of the planes wheels its not moving forward and there is no air is moving around the wings=no lift=no takeoff

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