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Well, you could be correct, Mark.
However, even looking at the exploded view of the
one you posted, it still looks to me that the only packing shown is the
insulation packing (looks like approx 1/2" thick") around the peripheral
of the shell.
Now that is the resonator, while I have the full up
muffler - and I carefully checked for packing because my experience has shown no
sound absorbent packing will last more than a few hours with my engine. I
could detect no packing material by shinning a light down the ends - but, that
does not prove its not there. Just see no evidence of it.
I even tried some 2000F rated ceramic material for
packing - it withstood the heat just fine, but the pulses blasted it into
pieces within 1 hour of flight time (perhaps even less). 13Bs without the
turbo block or the Renesis may be kinder {:>)
My 0.02
Ed
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