X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rtp-iport-2.cisco.com ([64.102.122.149] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 945644 for flyrotary@lancaironline.net; Mon, 16 May 2005 09:33:23 -0400 Received-SPF: softfail receiver=logan.com; client-ip=64.102.122.149; envelope-from=echristley@nc.rr.com Received: from rtp-core-1.cisco.com (64.102.124.12) by rtp-iport-2.cisco.com with ESMTP; 16 May 2005 09:32:37 -0400 Received: from xbh-rtp-211.amer.cisco.com (xbh-rtp-211.cisco.com [64.102.31.102]) by rtp-core-1.cisco.com (8.12.10/8.12.6) with ESMTP id j4GDWBng019075 for ; Mon, 16 May 2005 09:32:35 -0400 (EDT) Received: from xfe-rtp-201.amer.cisco.com ([64.102.31.38]) by xbh-rtp-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Mon, 16 May 2005 09:32:32 -0400 Received: from [64.102.45.251] ([64.102.45.251]) by xfe-rtp-201.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Mon, 16 May 2005 09:32:32 -0400 Message-ID: <4288A0F0.7010801@nc.rr.com> Date: Mon, 16 May 2005 09:32:32 -0400 From: Ernest Christley User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050317) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Muffler was [FlyRotary] Re: Prop balancing? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 16 May 2005 13:32:32.0984 (UTC) FILETIME=[B6F1BD80:01C55A1B] Ed Anderson wrote: > AND give up 15HP? Nope, besides need some motivation to do some more > muffler design work (play). > I keep thinking about all the power in that exhaust pulse and the > potential of doing something? with it {:>) > > Ed Fry eggs? (I'm sorry, but it's still early and I had a very light breakfast.) Maybe consider a turbo that instead of pressurizing the intake, would pump air into the exhaust stream just aft of the turbo. You could try playing with this: http://www.grc.nasa.gov/WWW/K-12/airplanes/javplts/engsim6/applet/EngineSim.zip -- ,|"|"|, | ----===<{{(oQo)}}>===---- Dyke Delta | o| d |o www.ernest.isa-geek.org |