John-Som :
In the event of the engine 'kicking back' or 'back firing' whilst been started the freewheel characteristic of the one way bearing prevents the force being transferred back to the drill. Forces applied in the opposite direction of intended travel simply spins the bearing in free wheel mode. I imagine the fellow who tried to start his high comp diesel applied direct force from his drill on to the crankshaft without a one way bearing, a recipe for disaster !
John-Som said:That'll teach me to engage my brain before opening my mouth (or even tapping the keyboard).
I stand corrected !
John-Som
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