Answer / subash konar

Main principle in making aeroplane is the difference of air
pressure on the upper and lower area of plane.The lower
pressure is due to the aerodynamically designed wings which
are slightly bend towards the ground to direct the wind
coming from propeller to exert upward force to lift the
plane.If we achieve this we can make a plane.

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What kind of materials should be used for shafts manufacturing?

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