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

I guess planes want to be as light as possible so it’s also a function of weight saving. Grip is also a function of weight and planes are heavy things pushing the tyres into the runway.

(FWIW You don’t want too larger tyres on your car or it has to work harder to overcome that grip, thus using more fuel)

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