Centrifugal clutch
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A centrifugal clutch is a clutch that engages automatically when its rotational velocity exceeds a certain limit, typically by weights pushed against springs by centrifugal force generated by the rotation.
Centrifugal clutches are often used in mopeds, underbones, lawnmowers, battlebots, go-karts, chainsaws and mini bikes to:
- keep the internal combustion engine from stalling when the blade or weapon is stopped abruptly
- provide low load during starting
- allow engine to idle
The centrifugal clutch was invented by Thomas Fogarty, who also invented the balloon catheter.