X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ispmxmta06-srv.alltel.net ([166.102.165.167] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 934033 for flyrotary@lancaironline.net; Thu, 05 May 2005 18:14:38 -0400 Received-SPF: none receiver=logan.com; client-ip=166.102.165.167; envelope-from=trpeters@alltel.net Received: from 3F8JX51SHAW ([69.40.90.227]) by ispmxmta06-srv.alltel.net with SMTP id <20050505221349.YLCT19201.ispmxmta06-srv.alltel.net@3F8JX51SHAW> for ; Thu, 5 May 2005 17:13:49 -0500 Message-ID: <001101c551bf$b69971c0$6400a8c0@shaw.shawinc.com> From: "Timothy Peters" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Rotary Canard - was home again Date: Thu, 5 May 2005 18:13:48 -0400 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 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Would the low compression turbo rotors that Paul is using have anything to due with the reduced sound level? -Tim > After hearing the plane last fall, I can tell you that both the sound > level & 'tone quality' are a refreshing departure from typical rotary > sound. If Paul finds that he's making adequate power with reasonable > fuel economy, he will deserve credit for an amazing 'find'. > > Charlie > > > Steve Brooks wrote: > > >Paul, > >Thanks for the photos. You're right, its pretty simple. I'm surprised that > >it's not louder. > > > >Steve > > > >-----Original Message----- > >From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On > >Behalf Of Paul > >Sent: Wednesday, May 04, 2005 8:48 AM > >To: Rotary motors in aircraft > >Subject: [FlyRotary] Re: Rotary Canard - was home again > > > > > >Hi, Steve and thanks for the reply. I am running what I believe to be the > >simplest and most bullet-proof exhaust going. I am using the stock cast iron > >manifold, (which does a great job of absorbing engine pulses), with a short > >8 inch long exhaust pipe. Total weight is 12 pounds. See attached pics. > >Everyone at the flying field tells me that it is no louder than the > >Lycomings....just a "different" sound some say. Hope this helps. Paul > >Conner > > > > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html