X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost03.isp.att.net ([204.127.217.103] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTP id 2683757 for flyrotary@lancaironline.net; Tue, 22 Jan 2008 08:35:02 -0500 Received-SPF: pass receiver=logan.com; client-ip=204.127.217.103; envelope-from=bbradburry@bellsouth.net Received: from arptk8ng400 (adsl-146-123-165.mco.bellsouth.net[72.146.123.165]) by isp.att.net (frfwmhc03) with SMTP id <20080122133422H0300i28eoe>; Tue, 22 Jan 2008 13:34:22 +0000 X-Originating-IP: [72.146.123.165] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: It's alive Date: Tue, 22 Jan 2008 08:34:24 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01C85CD1.9825BF30" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Achc83M5lC4ioIWcQk6+9ealkIsTPAABzGqg X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16545 This is a multi-part message in MIME format. ------=_NextPart_000_0010_01C85CD1.9825BF30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Don, I am surprised that your set up is loud if you have the tangential muffler as well as the Hushpower II. I had convinced myself that the reason that Dennis' muffler was so quiet was because he had both a tangential and the Hushpower. I am in the process of redoing my exhaust to include the Hushpower II but I will not have the tangential muffler. I will keep you posted on how much improvement I get. Now it is too loud to think when it is running at WOT. Do you have any pictures you could post of your install? Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Don Wallker Sent: Saturday, February 02, 2008 7:38 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: It's alive Mark, It's a 2 1/4 in Hushpower II. 304 SS. Muffler was cooler than I thought it would be, but is quite a way from the engine. The headers go into a small tangential muffler/manifold under the oil pan and then straight back to the Hushpower under my seat. Headers and tangetial Jet Coated. Small exhaust leaks at ball and slip joints and where SS flex clamps on. A Massive cloud of smoke on start-up, but there was no one around. Loader than I wanted. Quieter than the other guys around. My oil pressure was more like 90 psi as I used a 150 PSI sender and have not calibrated it yet. Eventually I will transition back to a real life, and take care of all the mundane stuff like reseting the computer clock. Don ------=_NextPart_000_0010_01C85CD1.9825BF30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Don,

I am surprised that your set up is loud if you have the = tangential muffler as well as the Hushpower II.  I had convinced myself that = the reason that Dennis’ muffler was so quiet was because he had both a tangential and the Hushpower.  I am in the process of redoing my = exhaust to include the Hushpower II but I will not have the tangential = muffler.  I will keep you posted on how much improvement I get.  Now it is too = loud to think when it is running at WOT.

 

Do you have any pictures you could post of your = install? 

 

Bill B

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Don Wallker
Sent: Saturday, February = 02, 2008 7:38 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = It's alive

Mark,

    It's a 2 1/4 in Hushpower II. = 304  SS. Muffler was cooler than I thought it would be, but is quite a way from = the engine.  The headers go into a small tangential muffler/manifold = under the oil pan and  then straight back to the Hushpower under my seat.  Headers and tangetial Jet Coated.  Small exhaust leaks at ball and slip joints and where SS flex clamps on.  = A Massive cloud of smoke on start-up, but there was no one around.   Loader than I wanted.  Quieter than the other guys = around.  My oil pressure was more like 90 psi as I used a 150 PSI sender and have = not calibrated it yet. 

    Eventually I will transition back = to a real life, and take care of all the mundane stuff like reseting the = computer clock.

Don

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