centrifugal clutch

noun

1. engineering an automatic clutch in which the friction surfaces are engaged by weighted levers acting under centrifugal force at a certain speed of rotation

Example Sentences

GIF: VanMoof VanMoof’s previous two-speed automatic shifter was purely mechanical, relying on a centrifugal clutch.

From The Verge

Instead of a shift lever, there’s a motorcycle-style foot-operated gear selector for the manual transmission, which is thankfully equipped with an automatic centrifugal clutch.

From Fox News