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Marko Bewersdorff <marko@bewersdorff.com> wrote:
what are the staright through mufflers like? how much do they weigh and what
is their size, source, life expectancy etc.
any pictures?
The problem with most "straight through" mufflers is that, at the short header length we're using in aviation, the packing material (usually fiberglas or steel wool) - which acts as a "baffle" around the perforated core of the muffler - is quickly overheated and either burned up, or blown out. Special materials, e.g. 321 stainless, are needed.
Nevertheless, Burns Stainless has an interesting looking product:
http://www.burnsstainless.com/UltraliteMuffler/ultralitemuffler.html
Dale
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