Why do airplanes have disproportionately smaller wheels than those on cars?

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I was watching videos of aircraft landings and noticed how disproportionately small the wheels were on just about every aircraft. Wouldn’t it be better to have larger tires (like in cars) to provide better traction for take off/landing?

In: Physics

13 Answers

Anonymous 0 Comments

Remember that the tires on the car are used to make it go and stop, and to keep it on the road while going through corners. That’s a lot of stress in all directions. The basic function of an aircraft tire is to keep the plane’s body from having to touch the ground, and they do some moderate braking (but the heavy braking is done by reversing thrust on the engines).

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