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Racing Lockup clutch

Racing Lockup clutch

(OP)
My question is for Greenlight in reference to a response in thread78-131930: Racing Clutch Match.  In this thread it is stated that clamp load is increased through increased RPM.  Does the torque out put of the engine have any baring on the clamp load created by the levers?

RE: Racing Lockup clutch

That would only be the case if part of the output torque of the engine actually passed through the levers in question (due to the use of ramped wedges or angles, etc) and that's not true of the ones that I've seen. The centrifugal action is applied absolutely perpendicular (to the direction that drive torque forces are being applied) to the pressure plate, which means the clamping force won't vary with engine torque.

RE: Racing Lockup clutch

(OP)
Brian,

Where are the forces coming from that raise the lever and cause it to apply pressure to the disc?

RE: Racing Lockup clutch

100% due to centrifugal force (input RPM) and 0% due to torque being transmitted through the clutch.

RE: Racing Lockup clutch

(OP)
I guess I thought the torque transfered through the crank to the pressure plate had an influence on how hard the lever in the pressure plate would swing out and apply plate load.

Tks for your input.

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