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Old 07-15-2023, 03:49 PM   #6 (permalink)
freebeard
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Quote:
I'll add another likely problem which is....
It's one thing to transmit valve-train forces through a roller tappet; but the engine output through them? It must have more friction than a crankshaft bearing.

edit:
Half an hour and I've changed my mind: 'roller bearing crankshafts' exist.
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Last edited by freebeard; 07-15-2023 at 04:35 PM..
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