[Shop-talk] Mufflers

[Bill Rabel]

I remember seeing a diagram many years ago of a muffler on a farm generator.
It was a 55 gallon drum, buried in the ground and filled with rocks. The
outlet from the generator was plumbed into the drum, and a stack exited to a
height of about five feet above the ground. Unfortunately, I don't remember
whether the input or output was plumbed to the bottom of the drum.

- Bill Rabel
 Anacortes WA



On Dec 18, 2011, at 6:07 AM, eric at megageek.com wrote:

> I asked this question before, but I think it got lost in the another
> discussion.
>
> I have a very good generator for back up power.  The problem is that it is
> pretty loud.
>
> Can I remove the exhaust it came with, and mod up a nice exhaust into a
> small (or large) car muffler?  Since this is only a 12HP B&S motor, we
> aren't talking tuned engines, so I'm guessing back pressure isn't
> critical.
>
> Any ideas?  What would you do if you needed to quiet this system.
>
> Note, I don't need the portability of the unit, so if I had a BHE (Big
> Honking Exhaust) sticking out of the cage, that is fine.
>
> Thanks!
>
> Eric P