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Posted for George Braly <gwbraly@gami.com>:
Yes... there are lots of pointers. They just are not susceptible to
anything other than hands on demonstration and explanation. Getting a good seal of the high pressure side IS important. BUT - (heresy
warning here ) it is NOT as important as the people who would use 5 lbs of
RTV think it is. You can prove this. You can open up a 1.5" HOLE in the
back of the upper cowl baffling (away from any particular cylinder) and fly
the airplane. You will hardly be able to measure any change in CHTs. I would strongly DISCOURAGE the excessive use of RTV that would make it more
difficult to conduct routine maintenance on the engine or make it more
difficult to pull rocker covers for inspections or to even change a jug.
Thus, the devil is in the cylinder by cylinder details of making sure that
each cylinder gets its full share of air down and around each cylinder. Regards, George Are there any pointers, does & don'ts, etc. that you could pass on to those
of us working on or getting ready to start work on our baffling? Other than
trying to get as tight a seal around the upper chamber as possible, I'm at a
loss for what else to do or not do. I'm sure others would appreciate you
insight and experience as well. Thanks.<<
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