Also called a dead axle. Belt drive A system where the final drive from gearbox to wheels is by leather or rubber belts that are contained on pulleys. Today many of the engine-driven auxiliaries use belt drives. The line running around a car's body formed by the bottom edges of its glass panels. Belts Belts are used to drive many engine accessories.
Belts drive the power steering pump, water pump, air-conditioning compressors, etc.
Bevel Gears A gearset employing gears shaped like slices of a cone, which allows the axes of the gears to be nonparallel. Bevel gears are used to transmit motion through an angle. The increase above atmospheric pressure produced inside the intake manifold by any supercharger. It is commonly measured in psi, inches of mercury, or bar. Bore The diameter of a gasoline or steam reciprocating engine cylinder.