Re: Diesel exhaust

Posted by KEG on February 26, 2007 at 17:45:27 from (70.130.205.57):

In Reply to: Diesel exhaust posted by Kentucky Ed on February 26, 2007 at 15:53:18:

On my Ford F-250 7.3L Diesel (I know, not quite a tractor - but interesting none-the-less) I put on a new exhaust and it came with a muffler that was straight through - not like the old gas mufflers that created back-pressure, but a clear-through unit. The muffling came from the several holes cut into the center pipe going through the muffler that allow the "repercussions" of the exhaust to enter the holes and become "deadened". The sound waves bounce into the holes and cause reverse waves that counteract the sound.

Now, I"m not a sound engineer(as you can probably tell), but someone figured it out and it didn"t require a backpressure producing baffle to get a result.

Hope this helps - or gives you some ideas.

KEG

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