Quote:
Originally Posted by huddy
Excuse me, but piston ring rotation in aircraft engines is not presumption. This phenomenon is referenced in maintenance literature published by both Teledyne Continental and Lycoming. The technique of waiting and rechecking is also recommended procedure. Google "aircraft piston ring rotation" and you'll find a lot of references, mostly based on real world experience, and several references from the engine manufacturers.
I don't want to get into a flame war over this - it's not that important to me - so this is my last post on the subject. Agree or disagree at your discretion.
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Yep, the fella I tore this particular engine down with worked at that mentioned engine shop [ Great world wide reputation also] at the time it was torn down and reassembled there. And, I have read both manufactures manuals. I've seen it on other water and air-cooled stuff but could not say how it could have happened or how the engine was assembled.
Its just one of life's little wonderments. As in many things in this life, there will be doubters, thats fine.