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  1. #1
    Awaiting Enlightenment R2x1's Avatar
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    Default The plane on an opposing conveyor belt debate. Surely not?

    Is it about time to pop this old chestnut back in the inferno again ? ? ?

    Or not.

    The physics/mechanics are triflingly simple - the clever bit is the artful use of an aviation distraction to hoodwink a lot of the people a lot of the time.
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  2. #2
    Wrinkly Member! B.M.'s Avatar
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    Quote Originally Posted by R2x1 View Post
    Is it about time to pop this old chestnut back in the inferno again ? ? ?

    Or not.

    The physics/mechanics are triflingly simple - the clever bit is the artful use of an aviation distraction to hoodwink a lot of the people a lot of the time.
    He's still alive and well.

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  3. #3
    Short Member pcuser42's Avatar
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    It works just fine, of course
    "He who resorts to personal insults hath lost the argument."

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  4. #4

    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    What a load of rubbish! Of course it won't take off. Any school child knows that to take off it requires air moving over the wings and that does not happen on a moving runway - obviously the aircraft needs to be moving. On the conveyor belt it's only the wheels that are moving - there is no air movement over the wings.

    Only a simpleton would think it would work.
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  5. #5
    Senior Member 1101's Avatar
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    Quote Originally Posted by Roscoe View Post
    What a load of rubbish! Of course it won't take off. Any school child knows that to take off it requires air moving over the wings and that does not happen on a moving runway - obviously the aircraft needs to be moving. On the conveyor belt it's only the wheels that are moving - there is no air movement over the wings.

    Only a simpleton would think it would work.
    did you watch the video ?

    the question was (is) , will a plane take off if its on a conveyor belt . answer : yes . and it did
    the prop will be spinning of course

  6. #6
    tweakedgeek tweak'e's Avatar
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    Quote Originally Posted by R2x1 View Post
    Is it about time to pop this old chestnut back in the inferno again ? ? ?

    Or not.

    The physics/mechanics are triflingly simple - the clever bit is the artful use of an aviation distraction to hoodwink a lot of the people a lot of the time.
    yeah i watch that. its amazing people don't get it. but i can understand most people are not plane people, but they understand cars and the plane has wheels and drives on a runway.
    Tweak it till it breaks

  7. #7
    Senior Member piroska's Avatar
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    Quote Originally Posted by 1101 View Post
    did you watch the video ?

    the question was (is) , will a plane take off if its on a conveyor belt . answer : yes . and it did
    No I didn't watch it.
    Sounds silly.
    Any commercial plane would probably demolish a conveyor and not notice it much at all, apart from making it a bit bumpy as it does so.
    A small plane, well they go pretty damn fast too, whats top speed on a conveyor?
    Ex-pctek

  8. #8
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    Default Re: The plane on an opposing conveyor belt debate. Surely not?

    O gawd! Not this one again...
    The link in the OP post doesn't work so I can't see the video, but it sounds like the old 'plane on the conveyor belt' again.

    If you find yourself in a plane sitting on a conveyor belt, don't worry, it will take off provided the pilot releases the undercarriage brakes and revs up the engines. Those engines don't drive the wheels, they push against the atmosphere. Simple, really. Mind you, the wheel bearings may be shot after all this.

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