X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmfepo203.cox.net ([68.230.241.148] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTP id 4952614 for flyrotary@lancaironline.net; Wed, 20 Apr 2011 19:56:22 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.148; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmfepo203.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20110420235542.DIXQ22406.fed1rmfepo203.cox.net@fed1rmimpo03.cox.net> for ; Wed, 20 Apr 2011 19:55:42 -0400 Received: from BigAl ([72.199.221.69]) by fed1rmimpo03.cox.net with bizsmtp id Zzvh1g0101WSgfc04zviPq; Wed, 20 Apr 2011 19:55:42 -0400 X-CT-Score: NA X-Authority-Analysis: v=1.1 cv=hTXx1Er1pw82ZgGw8Hi28EyLmWoEdWD0ZP9EeNzTJ4I= c=1 sm=1 a=PyNjkaOVL4wA:10 a=G8Uczd0VNMoA:10 a=swDsztNognk9GHlyB/l+AQ==:17 a=vnREMb7VAAAA:8 a=omkxYs1B6GGr2l_M3dsA:9 a=CjuIK1q_8ugA:10 a=xanEL894RhJdBiEKMIAA:9 a=OQ-PBBnZ7L9HKNrn2DcA:7 a=swDsztNognk9GHlyB/l+AQ==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Tangential Muffler Date: Wed, 20 Apr 2011 16:56:03 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01CBFF7B.D5293920" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 Importance: Normal In-Reply-To: Thread-Index: Acv/eoc5O5kgsalKQpexvZWJmz44zQAQ5BIg X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6090 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01CBFF7B.D5293920 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit If you're running a turbo you shouldn't need a muffler. The turbo serves the purpose of the muffler. Mark A turbo helps, but listen on this video to my 20B and Dave's 13b turbo, and Mike's 13B NA with some other kind of muffler. http://www.youtube.com/watch?v=dibuqenWcOk (Courtesy of Paul Lamar. He did sound measurements and mine was the quietest) ------=_NextPart_000_000C_01CBFF7B.D5293920 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

If you're running a turbo you shouldn't need = a muffler. The turbo serves the purpose of the = muffler.

Mark

A turbo helps, but listen on this = video to my 20B and Dave’s 13b turbo, and Mike’s 13B NA with some other = kind of muffler.

http://www.youtube.= com/watch?v=3DdibuqenWcOk

(Courtesy of Paul Lamar. = He did sound measurements and mine was the quietest)

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