[SEL] Small Engine Muffler

[Roger DiRuscio]

Rob swing by your Onan dealer and pick up a RV genset muffler. It will work
just about as good  as anything you will find.

Roger DiRuscio, The Realty Experts. Sales since 1977
contact 510-226-9785  Fremont,Ca 94539
Collector restorer of antique marine engines, Motorscooters, Micro cars
private pilot 1981, Ham radio KG6QKZ
Volunteer  Cert-Comm member, Fremont Fire department.
web site---   scrapologist.com
----- Original Message ----- 
From: "Rob Skinner" <rskinner at rustyiron.com>
To: "'The SEL email discussion list'" <sel at lists.stationary-engine.com>
Sent: Monday, June 28, 2004 4:40 PM
Subject: RE: [SEL] Small Engine Muffler


> > I need to build a muffler for my 6 HP Wisconsin.  The
> goal is
> > to be as quiet as is practical.  This engine is on my
> Gard'n
> > Mast'r tractor that I want to drive at shows.  I want
> > something that I can talk over while its running.
> > Exhaust is 3/4" pipe.  Who has design tips?
>
> Hi Andy,
> Is the engine at the front of the tractor?  You might want
> to consider running it out the back.  If you increase the
> size of the pipe to one inch, it will allow the gases to
> expand and slow down even more.  Put some kind of a muffler
> in the middle of the pipe someplace.  Either use a
> commercial muffler, or build something that will disrupt
> the sound waves and slow down the travel of the gasses
> before they exit the pipe.
>
> =-=-=-=-=-=
> Rob Skinner
> La Habra, California
> www.rustyiron.com
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