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Bill, Now you have got my interest, What muffler and where??
Everything else on the Rotary can be handled, Cooling, mounting,
P porting etc, but mufflers have me beaten. They are the next for
me to investigate particularly how to keep small if possible, The
size in most cases affects how the engine mount can be constructed
on that side.
Thanks in anticip[ation, Neil.
On 10/18/2016 9:58 AM, William Jepson
wrote:
Charlie,
Pardon my haste in the original reply. The butterflies are
very similar to the original, with the exception that we have
devised a new way to make them that doesn't require drilling
through the housings. Can't say more right now other than we
do NOT use epoxy in the housings and NO sealing problems.
Don't expect any. Also we DO NOT weld to the liner as
sometimes pushed by others. I do not believe you can weld to
the liner without catastrophic failure later. I believe you
will either fail your apex seals or crack the weld due to
crystallization of the steel. The muffler is a MAJOR win. It
is quieter than a unmuffled Lyc, and successfully kills the
annoying hi frequencies. It is more restrictive than some but
only costs us a few HP. It also fits in an RV-3! I am
experimenting with a larger version in hopes of repeating the
success with a bit less restriction on cowls that aren't as
tight as the RV-3
Bill
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