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<... I am fairly certain that is why Tracy removed it ...>
I'd like to hear more around that. I heard something about it bulging out and blowing up when associated with turbo rotor housing, and also that it might be a little more sound if it had been made of thicker material. I'd also like someone's estimate of how much ceramic coating the thing might help with the "oven" phenomenon. I'd like to do it that way, but am leaning toward turbo rotor housings and have to worry about that aspect.
Tracy? A couple hundred words of deathless prose on this? ... Jim S.
Ed Anderson wrote:
Jerry, Tracy Crook flew with a similar Tangential muffler for a number of
hours. The neat thing is it does fit under the cowl and suppress sound
nicely, the un-neat thing is it acts like a large oven under the cowl and
keeps cowl temps highly elevated. I am fairly certain that is why Tracy
removed it.
Ed A
----- Original Message -----
From: "Jerry Hey" <jerryhey@earthlink.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, March 08, 2005 3:01 PM
Subject: [FlyRotary] Tangential muffler
From the "other" list comes the report that someone has tested a
similar exhaust system to what I have been building on his PowerSport p
ported engine. . He reports the muffler worked well to quiet the
exhaust note and that the engine seemed to breath freely. The neat
thing about this exhaust system is that it fits inside the cowl.
Here are a couple of photos showing the muffler on a Mustang 2. The
muffler is 6" o.d. x 10 inches long. Construction is 321 16 gage.
The cool tube running through the center is intended to cool the
exhaust gas. Fresh air is plumbed through it. The engine mount is
the S-beam. Jerry
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