Why do planes land with their wheels not spinning?

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1144853

2026-05-03 16:25

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Why would the wheels spin? They are not connected to the engines. There's no driveshaft or chain or gears to power the wheels. They are free-rolling wheels. The engines push air backward and push the plane forward, but the engines don't drive the landing gear except to raise or lower it if the plane has retractable landing gear.

Do you think the wind should make them spin? Most aircraft have the wheels fully exposed to the air, both the top of the wheel and the bottom of it. So the wind won't blow harder on one side or the other.

There were some experiments with using the air to spin the wheels in preparation for landing. The theory was that this would stop big patches of rubber from being worn off the tires when they (not moving) suddenly hit the runway at high speeds. That kind of stress can sometimes make a tire blow out, which can make the aircraft hard to steer and easy to crash on the runway.

But the problem was that this made landings take up too much runway. Big aircraft actually need that sudden drag on touchdown to help plant them on the pavement and begin lowering their nose.

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