Talked to Andy about winter operations the other day. He suggested that the
Rotax is built with tolerances similar to an automobile engine and therefore
really doesn't need preheated. After all, do you preheat your car?
Also attended an aviation conference last week where it was suggested that
pulling an engine thru scrapes the oil from the cylinders - so you're better
off not doing that. Also, heating the oil will drive moisture out and it
deposits on the engine internals. Bottom line, don't do anything to the
engine. Change the oil frequently (at least each quarter of the year).
Jim Butcher
N241BW
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