brake drum

Definitions

Aviation

  • noun a round hollow part of the brake mechanism, which is attached to the wheel and against which the brake shoes rub, thus preventing the wheel from turning

Cars & Driving

  • noun a metal drum mounted on a car hub to form the outer shell of the brake, against which the brake shoes press to slow or stop rotation of the drum and wheel

Construction

  • A rotating cylinder with a machined surface (either internal or external) on which a brake band or shoe presses in order to slow, stop, or hold an object.
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