Return-Path: Received: from smtpauth01.mail.atl.earthlink.net ([209.86.89.61] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 820671 for flyrotary@lancaironline.net; Fri, 25 Mar 2005 18:56:24 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.86.89.61; envelope-from=jerryhey@earthlink.net Received: from [65.176.161.28] (helo=earthlink.net) by smtpauth01.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1DEyeP-0007pQ-VU for flyrotary@lancaironline.net; Fri, 25 Mar 2005 18:55:38 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:Content-Transfer-Encoding:In-Reply-To:Message-Id:X-Mailer; b=f6PMubmgbbvaVjGYZ4I8Sln0vZEwMfFhNxv7qcap2L5jq7cOjOftWB9sODtdA0zX; Date: Fri, 25 Mar 2005 18:56:58 -0500 Subject: Re: [FlyRotary] RX8 P-Port Content-Type: text/plain; delsp=yes; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" Content-Transfer-Encoding: 7bit In-Reply-To: Message-Id: <93066AA1-9D89-11D9-A80C-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec7998de79bd4d3c630f957a2c2596101b48350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.176.161.28 Wow, I had not even considered the RX-8, but you are right about the bridge port. No overlap so it can open early and the bridge ports can be quite wide too so they will have lots of capacity. This may be the ultimate engine. Jerry Ps. George I am looking forward to plugging one of your bell housings into my fixture. Are you going to deliver the castings with the mill work done or will that be up to the builder? On Friday, March 25, 2005, at 06:09 PM, George Lendich wrote: > Jerry, > > Here's the latest - my design for the Rx8 P-Port. > > It is a bridged P-port as the Rx8 apex seals are very narrow and > flexible - > not to be used with P-exhaust housings , for obvious reasons. > > The green circle is your 1.6 PP. > > George (down under) > >> Suddenly there is a lot of interest in P ports. I think at least 6 >> different versions are being built or at least dreamed about. There >> is >> one mentioned yesterday on the other list that will basically be a >> race >> engine: 300 hp at 9000 rpm!! Trouble with that number is that it >> does >> not compute. I think 400 hp at 9000 rpm would be more like it. This >> is a different world from the wimpy little 220 hp at 6000 rpm engine I >> am building. >> >> Anyway, last week I posted a drawing of the intake plenum I >> planned >> to build but since then it has gotten a lot better. Here is the new >> version. The air filter goes where the alternator was located on the >> stock engine. Jerry >> >> > > > ----------------------------------------------------------------------- > ----- > ---- > > > > > > > ----------------------------------------------------------------------- > ----- > ---- > > >> >> >> > > > ----------------------------------------------------------------------- > ----- > ---- > > >>>> Homepage: http://www.flyrotary.com/ >>>> Archive: http://lancaironline.net/lists/flyrotary/List.html >> > Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html