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From: atlasyts@bellsouth.net
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Drips? was [FlyRotary] Re: URL for HushPower
Date: Mon, 14 Jan 2008 16:03:57 +0000
Message-Id: <011420081603.10908.478B87ED00075B9500002A9C22216128369B0A02D2089B9A019C04040A0DBF9C9B979C0E049B0E@att.net>


-------------- Original message ----------------------
From: bmears9413@aol.com
>
> Im real worried about my noise factor. twelve pipes right in front of me. no 
> muffler. each 1 1/2" exhaust pipe actually has a 3/4 hole to exhaust out of. im 
> hoping that will quiet it a bit....but im pretty sure im full of crap....its 
> gonna be toooooo loud.
> 
> Bob Mears

Bob,, I can guarantee you that you will not like it. I flew for couple of hours with short straight pipes pointed back (Cozy). 
When I did the first static run up, I asked one of the airport bums to watch for anything unusual. BTW he is hard of hearing. So, I brought it up to 52-52K RPM and looked at my observer, but he was not there? he was running around the corner of the hangar, holding his hands over his ears :). In flight the noise was activating the microphone on the headset too.
Buly