"I always thought they all rotated, otherwise wouldn'y
you have a wear line up and down the cylinder where
the gap is? Heck of a good question but what is the
payoff?
mayf"
mayf, I suspect that by alternating ring end gaps
among top, second and oil control, full contact around
the cylinder wall is achieved (pinned rings) and no
unseemly wear lines should result. However, anything
is possible.
John Goodman
--- DrMayf <drmayf@teknett.com> wrote:
> Only thing I can add is that on a 2 stroke engine,
> the rings are generally
> pinned to keed then from rotating and getting hung
> up in a port. I always
> thought they all rotated, otherwise wouldn'y you
> have a wear line up and
> down the cylinder where the gap is? Heck of a good
> question but what is the
> payoff?
>
> mayf
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