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 4.3.4) with ESMTP id 1000215 for flyrotary@lancaironline.net; Mon, 13 Jun 2005 10:50:07 -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; 13 Jun 2005 10:49:22 -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 j5DEnANI027440 for ; Mon, 13 Jun 2005 10:49:19 -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, 13 Jun 2005 10:45:46 -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, 13 Jun 2005 10:45:45 -0400 Message-ID: <42AD9C19.4090606@nc.rr.com> Date: Mon, 13 Jun 2005 10:45:45 -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: More RX-8 Manifold Thoughts References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 13 Jun 2005 14:45:46.0012 (UTC) FILETIME=[94F59DC0:01C57026] BillDube@killacycle.com wrote: > > "Simplified" is the key word. The six-port is as complicated > as it is so that it will have a good idle, low emissions, good low-end > torque, good mid-range torque ,snappy throttle response and 247 HP. > All I want is the 247 HP. I am simplifying the manifold by eliminating > everything that isn't needed to provide 247 HP and good top-end > performance. > > You will have to build a manifold for the four port. You will > eliminate everything that is not needed for top-end performance, just > like I plan to do with the six port. Two more runners really don't add > significant effort to the task. > > The difference is that when I am done, the engine will have > 20% more power. Bill, if you're going to eliminate all the 'stuff' and the port will always be open, why not remove the wall between the side ports and make them one? -- ,|"|"|, | ----===<{{(oQo)}}>===---- Dyke Delta | o| d |o www.ernest.isa-geek.org |