Return-Path: Received: from capitol.mail.pas.earthlink.net ([207.217.120.180] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 615946 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 08:09:58 -0500 Received-SPF: none receiver=logan.com; client-ip=207.217.120.180; envelope-from=j-winddesigns@thegrid.net Received: from sdn-ap-016ilchicp0385.dialsprint.net ([65.176.161.131] helo=thegrid.net) by capitol.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 1CryXT-0006bs-00 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 05:09:24 -0800 Date: Fri, 21 Jan 2005 08:10:11 -0500 Subject: Re: [FlyRotary] Two 550????? Re: [FlyRotary] Re: P Port fuel Injection Content-Type: text/plain; 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: X-Mailer: Apple Mail (2.552) Ed A, Thanks Ed, Four 550s for the 6000 rpm engine sounds good to me. Jerry On Thursday, January 20, 2005, at 09:08 PM, Ed Anderson wrote: > Hi Ed K, good to see you on the list. > > I guess I lost the thread on this PP discussion. If this is a PP for > a two > rotor looking to make 200+ HP then one 550 cc/min injector per runner > won't > do the job in my opinion. Two injectors would provide a combined max > fuel > flow of 1100 cc/min or if you derate it to 80%, 0.8*1100 = or 880 > cc/min = > 0.0.2324714 gallon/min or for an hour .2325*60 = 13.95 gallon/hr. In > terms > of HP that would give you 13.9*6.25/.55 = 158 HP. I think if only > using two > injectors you would want something in the range of 800 cc/min > injectors. > > Consider the 2 rotor 91 turbo block, it uses four 550 cc/min > injectors to > produce around 210-220 HP, so producing 200+ HP on just two 550 cc/min > injectors does not compute for me. But, perhaps I am missing something > here. > > Just my opinion of course. > > Ed Anderson > > ----- Original Message ----- > From: "Ed Klepeis" > To: "Rotary motors in aircraft" > Sent: Thursday, January 20, 2005 8:41 PM > Subject: [FlyRotary] Re: P Port fuel Injection > > >> Jerry >> When I called mico tech they said one 550cc injector per runner >> would >> do the job. I think I just might make mine up with only one per >> runner. > Can >> you ask around and get some opinions on this size injector and will >> they >> think it would work before I would consider buying them. I guess if we >> wanted an expert opinion we could ask master paul HaHa I don't think I > could >> put up with his answer.thanks >> Regards >> Ed >> ----- Original Message ----- >> From: "Jerry Hey" >> To: "Rotary motors in aircraft" >> Sent: Thursday, January 20, 2005 6:25 PM >> Subject: [FlyRotary] Re: P Port fuel Injection >> >> >>> Exactly, the point. We need to test our concepts. This one I am >>> very >>> optimistic about but you never know......... >>> >>> What do you think of Paul L's Dyno? I plan to build one once the > engine >>> is ready to test. Jerry >>> >>> >>> >>> >>> On Thursday, January 20, 2005, at 11:59 AM, WRJJRS@aol.com wrote: >>> >>>> Jerry, >>>> The manifolds of many of the newer cars are very convoluted. The >>>> injection tends to be within about 4" of the port though. The >>>> original >>>> inot the bell injection was used on car with a total inlet length of > less >>>> than 6". You are in uncharted territory on injecting upstream. >>>> There is >>>> little info to be had, you will just have to try it. >>>> Bill Jepson >>>> >>>>>> 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 >> >> >>>> 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 >