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Would the plane take off?

Discussion in 'Gold Board' started by Bolter, Feb 2, 2008.

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Would the plane take off?

Poll closed Feb 7, 2008.
  1. Yes

    42 vote(s)
    24.6%
  2. No

    117 vote(s)
    68.4%
  3. I don'thave a clue

    12 vote(s)
    7.0%
  1. Bolter Administrator

    Bolter
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    This debate seems to be making it's way on every message board so I thought I'd try it here.

    A plane (747 passenger jet) is sitting on a runway that can move (some sort of conveyor belt/treadmill). The plane moves in one direction, while the treadmill moves in the opposite direction. This treadmill has a control system that tracks the planes speed and tunes the speed of the treadmill to be exactly the same (but in the opposite direction).

    The question is:

    Will the plane (747 passenger jet) take off or not?

    Gassy is editing in a poll for me, thanks Gassy!
     
  2. poo1y4eva XcElLenCe

    poo1y4eva
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    no, the forces are balanced therefore creating a steady speed of 0!!
     
  3. SwissTony Pyrotechnic

    SwissTony
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    Yes it would take of as there are jets on it providing propulsion.
    Forces are equal for the tyres on the conveyor bit but the conveyor wont stop the jet propulsion.
     
  4. Cook$ Just the tip....

    Cook$
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    Nah. It needs the air flowing over/under the wings to decrease the pressure so it can lift off. Glaven.
     
  5. peaty Under the INFLUENCE!

    peaty
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    no it wouldnt take off it needs up lift in the form of wind on its wings to lift it.

    dam beat me to it
     
  6. Cusack Well-Known Member

    Cusack
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    qft.
     
  7. SwissTony Pyrotechnic

    SwissTony
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    Surely the jet engine would propel it enough for the airflow required to lift the craft.
    The planes wheels don't have motors on, the engine/jet does all the work.
     
  8. whupass Risk Factor Speedball

    whupass
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    exactly, obviously a lot of other forums don't have clever people
     
  9. whupass Risk Factor Speedball

    whupass
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    yeah, they push the plane forward with the air from the jets, forward movement moves air over the wings and air flow on the wings creates lift



    treadmill = 0 forward movement = 0 lift from the wings
     
  10. Stan Platinum Member

    Stan
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    Definite "No".
     

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