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Never seen any packing product that would hold up
for long. Ianetti (of ceramic tip seals) has a couple patents
for mufflers. He wouldn’t sell them, only lease them to Mazda
speed for the season. Do a patent search and you can find some
good ideas for a starting point.
Bill
1st time I've seen it, but ...
'Constructed using a stainless-steel
shell, interior core tube, and high temperature
stainless packing wool, '
If the packing will survive aircraft use,
it will be a first.
Charlie
On Jan 29, 2023, at 5:03 PM,
"Doug Lomheim rv9flyer13b@gmail.com"
< flyrotary@lancaironline.net>
wrote:
Group:
I’m
curious if anyone has ever experimented w/Racing
Beat’s Power Pulse Presilencer to quell the nasty
roar from older 13B engines?
I soon
hope to begin work on my 1989 13B exhaust system,
and I’m already planning on a a belly mounted
muffler of some type, but in reading the Racing
Beat information concerning their “pre-silencer”,
they make it sound like it is an effective way to
tame the nasty supersonic pulses from an older
13B, and thereby increase the longevity of the
muffler unit.
Any thoughts?
Thx.
Doug
RV-9A /
13B
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