Return-Path: Received: from mallard.mail.pas.earthlink.net ([207.217.120.48] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3194629 for flyrotary@lancaironline.net; Wed, 28 Apr 2004 00:17:21 -0400 Received: from user-33qt54h.dialup.mindspring.com ([199.174.148.145] helo=Carol) by mallard.mail.pas.earthlink.net with smtp (Exim 3.33 #1) id 1BIgVc-0006hL-00 for flyrotary@lancaironline.net; Tue, 27 Apr 2004 21:17:21 -0700 Message-ID: <002001c42cd7$acacc0d0$0000a398@Carol> From: "sqpilot@earthlink" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Fw: RV-List: Mazda 13B mufflers Date: Tue, 27 Apr 2004 23:17:06 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2720.3000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2739.300 By all means, Frank....yes ! Inquiring minds want to know. Your efforts to scan the article and/or present a picture would be much appreciated. Thanks for thinking of us. Paul Conner ----- Original Message ----- From: "David Carter" To: "Rotary motors in aircraft" Sent: Tuesday, April 27, 2004 10:24 PM Subject: [FlyRotary] Fw: RV-List: Mazda 13B mufflers > Re-posting this from RV-list to FlyRotary list. > > David > > ----- Original Message ----- > From: "Frank van der Hulst (Staff WG)" > To: > Sent: Tuesday, April 27, 2004 9:19 PM > Subject: RV-List: Mazda 13B mufflers > > > > --> RV-List message posted by: "Frank van der Hulst (Staff WG)" > > > > > Hi, > > > > Just a heads-up for anyone interested... the latest Sport Flying > > magazine (published by NZ Sport Aviation Assn, our equivalent of EAA) > > has an article on the Aero Sport International > > http://www.aero-sport.com/Products/Index.asp Kahu gyroplane, which is > > designed round a 13B engine, converted for aeronautical use. > > > > The exhaust system might be of interest to RV-list members with (or > > planning) 13B rotary engine installations. The article claimed that > > switching to this exhaust had reduced noise from 101dB down to 79-81dB. > > In the photo, the exhaust looked to be a cylinder about 8" in diameter > > by maybe 12" long, with a helical pipe, about 2" in diameter, going > > around and in and out of the cylinder. The text said the exhaust design > > was based on some Russian research. If anyone's interested in more > > information, I can ask for permission to scan the article and photos. > > > > Frank > > Learn real skills for the real world - Apply online > > at http://www.ucol.ac.nz or call 0800 GO UCOL > > (0800 46 8265) or txt free 3388 for more information > > and make a good move to UCOL Universal College of > > Learning. > > > > Enrol with a public institute and be certain of your > > future > > > > > > _-======================================================================== > > _-= - The RV-List Email Forum - > > _-= This forum is sponsored entirely through the Contributions > > _-= of List members. You'll never see banner ads or any other > > _-= form of direct advertising on the Matronics Forums. > > _-======================================================================== > > _-= !! NEW !! > > _-= ALL NEW LIST CHAT!! http://www.matronics.com/chat > > _-======================================================================== > > _-= List Related Information > > _-= Post Message: rv-list@matronics.com > > _-= UN/SUBSCRIBE: http://www.matronics.com/subscription > > _-= List FAQ: http://www.matronics.com/FAQ/RV-List.htm > > _-= Search Engine: http://www.matronics.com/search > > _-= 7-Day Browse: http://www.matronics.com/browse/rv-list > > _-= Browse Digests: http://www.matronics.com/digest/rv-list > > _-= Live List Chat: http://www.matronics.com/chat > > _-= Archives: http://www.matronics.com/archives > > _-= Photo Share: http://www.matronics.com/photoshare > > _-= List Specific: http://www.matronics.com/rv-list > > _-= Other Lists: http://www.matronics.com/emaillists > > _-= Trouble Report http://www.matronics.com/trouble-report > > _-= Contributions: http://www.matronics.com/contribution > > _-======================================================================== > > > > > > > > > > > > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html >