Subject: Mufflers
From: ACRE
Date: 3/21/2005, 9:28 AM


Ian Beadle wrote:

Hi Paul
What is the latest on mufflers? Do I need to import a Spintex for the Renesis or will a standard firbreglass job do?
Ian

Just make a tangential can out of 2 mm thick 304 SS and you will be fine.
321 SS would be lighter but a lot more expensive. In that case you might be able
to get along with 1.5 mm thick.

The down pipe can be 1 mm thick.  You need to use a Schertz beam front
motor mount to get the motor mount tubes out there to clear the muffler.

Better yet one of Georges bell housings with motor mount brackets
to get the tubes out to about 15 to 16  inches from the
engine center line to clear the muffler.

BTW was your prop stopped when you crashed? Did you notice a lack of
elevator authority?

Paul Lamar

Here are dimensions on a 4130 sheet metal schertz beam.

BTW I am really proud of this Rhino illustration. It is far more informative
than any 2 D drawing.

Paul Lamar
 
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