Gilmer belt
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A Gilmer belt is a system for transferring power between axles in a machine. The belt itself has ribs on the inner side to engage special pulleys mounted to the axles.
Gilmer belts are often used in competition grade radio controlled cars (especially sedans), because they are lighter and have less rotating mass than a metal chain or a driveshaft system.
Gilmer belts are also very useful in full-scale automotive engines. Their precise pulley synchronization makes them a great candidate for valvetrain application, such as driving the camshafts in Honda B engines. This powerful control of the pulley also makes them successful for driving critical components such as the external oil pumps in dry sump oiling systems used in performance engines such as the LS7.
Current manufacturers of automotive Gilmer Belt parts and accessories include Goodyear, Duralast, Moroso, Milodon, and others.
Some motorcycles use Gilmer belts instead of chain drive on the rear wheel.
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