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@GA2G
Interesting. I've long seen the argument on this forum, that chains do not stretch. Not being the engineering type, I didn't want to get involved with that argument. But there is a lot of credence to what one sees with one's own eyes. Mirages are rare, and hallucinations don't occur that often either, and my eyes have said that chains stretch, though I have respected and believed the "doesn't stretch" comments on here.
Any mechanical engineers in da house?