X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] (100%) SPAM DICTIONARY WORDS: low count Return-Path: Received: from imf18aec.mail.bellsouth.net ([205.152.59.66] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 1995421 for flyrotary@lancaironline.net; Fri, 20 Apr 2007 06:17:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.66; envelope-from=atlasyts@bellsouth.net Received: from ibm61aec.bellsouth.net ([65.8.76.44]) by imf18aec.mail.bellsouth.net with ESMTP id <20070420101645.TPZX28177.imf18aec.mail.bellsouth.net@ibm61aec.bellsouth.net> for ; Fri, 20 Apr 2007 06:16:45 -0400 Received: from [192.168.0.247] (really [65.8.76.44]) by ibm61aec.bellsouth.net with ESMTP id <20070420101645.NPSN11114.ibm61aec.bellsouth.net@[192.168.0.247]> for ; Fri, 20 Apr 2007 06:16:45 -0400 Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <8D2C4E72-1749-4A00-A9FE-654C3E83EC3A@bellsouth.net> Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] Single Rotor Testing Date: Fri, 20 Apr 2007 06:16:46 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.752.2) Good Job Richard. Are you going to S&F? Bulent "Buly" Aliev FXE Ft lauderdale, FL http://tinyurl.com/dcy36 On Apr 19, 2007, at 11:11 PM, Richard Sohn wrote: > Tested my single rotor today. The first time with some real, > reproduceable data. > The configuration is with one compound side housing. The other side > housing is still sandwiched, using milled down MAZDA housing section. > This version weight for the nacked engine, flywheel and water pump > included, is 90lb. This engine is based on 12A rotor and rotor > housing. Intake is P-P. > > Data: > > RPM 4000 > Fuel flow 2.5GPH > MAP 21" > EGT 1400F > O2 .650 = 15 (ratio) > > At shut down: > oil temp 200F > Water temp 200F > oil pressure was 50psi cold and hot, looks suspect. > The water pressure gauge did not work, which was the reason for > shutting down after 7min runtime. I had planed to go to max water > temperature, did not want to do that without water pressure. > > The most interesting fact of this test is the possibility of a > power estimate. Calculated power using a BSFC of .5 is 30 hp. > Looking at the power curve of the LeMans engine, this is about 10% > below of what is shown there. From this, I believe the projected > over 100hp at 7500RPM is within reach. > > Richard Sohn > N2071U >