Quote:
Originally Posted by Excaliber
It's fairly obvious what might happen with a ring gap that is to close.
BUT, what happens when the ring gap is to wide???
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The wider the gap the more the leakage (or blow by) would be the first obvious problem. May well be more issues, too.
Somewhere fuzzily back in a memory I no longer trust, I seem to recall that the flow through a gap is a function of the gap cubed. Not sure if this was a gas law or a polymer dynamics relationship, so don't hold me to that.