Hi,

   In his book ?Firewall Forward?, Tony Bingellis describes a Swiss
   Muffler. Have anyone tried it on a rotary. I?m thinking of using it on
   my Vision to offset some of the weight of the 13B.

   Regards,

   Pierre

Paul, and Group,
Isn't the "Swiss Muffler" that Tony mentions in his book really a glass
pack? That is a perforated tube through a larger cylinder packed with
some kind of sound asorbing material. In a rotary the heat consumes the
sound deadener and then the exhaust pulses break up the perf tube.
This is really one of those a rose by any other name problems. This is
a question often asked by new people. They are just being fooled by the
name. It's like saying your car has a Hotchkiss rear suspension. Which
is just a fancy sounding name for a beam axle! We need to slay the Swiss
Muffler!
Bill Jepson


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