After 16 years with the 912UL engine in a Classic monowheel, I changed the
undercarriage
to tricycle. But the rolling resistance is much greater, particularly
on grass, so I've bought a 912S to help me get into the air more easily.
My intention is to fit the replacement engine into the existing arrangements and
to use the same old-style stainless steel exhaust system, which dangles at an
angle rearwards beneath the engine.
This exhaust has served me well enough over 16 years, apart from a couple of
fractures
of the flange bolted to the left rear cylinder. My question to anyone
with experience similar to mine, or anyone who's heard from others, is "Am I
likely
to have a severe increase in exhaust cracking problems?"
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