How many pounds of thrust does it take to get an airplane into the sky?



  1. 0 Votes

    This is a difficult question to answer because there are so many factors involved in making anything fly. 

    Thrust is the forward movement (which can be converted into horsepower)
    Drag is the friction or opposing force (you can feel drag when you are walking into strong wind)
    Weight is the weight of the plane.
    Lift is what counteracts the weight of the plane. It is equal to the weight of the plane when it is in level flight. Airplane wings are shaped so that air moves faster over the top than on the bottom. This creates pressure under thing wing which lifts the wing up. 


    A 747 Aircraft has 4 turbofan engines, each gives 54,000 pounds of thrust


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