Originally Posted by dvw
Originally Posted by Twostick
Originally Posted by ab7fh
Originally Posted by dvw
Over rev? A race car without a top end rpm limiter?
Doug


It happened on the street, actually getting onto I-10 after a car show. The car has a limiter, but it still redlined with no load which never feels good.


It's called inertia. If the engine is under load at say 6500 and the load instantly goes away, the inertia of the crank and everything turning with it can accelerate it well past its redline, if only briefly.

A rev limiter will have zero control of that.

Kevin

Zero control? So you don’t use one?
Doug


I don't currently have anything that requires one.

My point is if you lose the overrunning clutch anywhere towards the top of the RPM range, inertia can accelerate the engine past its redline regardless of any rev limiter.

Kevin