Mailing List flyrotary@lancaironline.net Message #13742
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: Re: [FlyRotary] Exhaust
Date: Sun, 12 Dec 2004 19:20:24 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
John, the trouble with most auto exhaust stuff for the Rx-7 is that it is
just really too heavy for aircraft use and/or reduces engine performance an
unacceptable amount. Years back,  I ordered what they called a "Presilencer"
for the car and when I got it must have weighed close to 18 lbs or more -
very thick walled tubing.  I never even tried it out on the aircraft.

Ed
----- Original Message -----
From: "John Downing" <frmrjohn@netonecom.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, December 12, 2004 6:14 PM
Subject: [FlyRotary] Exhaust


I don't have any knowledge of the RX-7, but looking in the Haynes manual
there is a picture of a small item ahead of the converter, called a
pre-converter.  Is this used to change the exhaust so the insides of the
converter isn't blasted out.  Would it work for a muffler is the question.
JohnD
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