Ploucandco
"2. an engine is vibrating and you are hard linking the 2 manifolds!"
I'm with you on everything else, except your point 2. above, because the two
manifolds
are already hard linked by being bolted solidly to their respective cylinder
heads. The flygas solution doesn't link them any more solidly than they
already are, but I take your point about unnecessary extra weight.
My experience of 3 different Rotax 912 engines which were expertly carb and
propeller
balanced is that they all exhibited a little vibration at some rpm a bit
above 3000.
Thanks for your swift reply.
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http://forums.matronics.com/viewtopic.php?p=479344#479344
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