X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 10 [X] Return-Path: Received: from bay0-omc3-s33.bay0.hotmail.com ([65.54.246.233] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2044285 for flyrotary@lancaironline.net; Mon, 14 May 2007 16:33:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.233; envelope-from=lors01@msn.com Received: from hotmail.com ([65.54.250.91]) by bay0-omc3-s33.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Mon, 14 May 2007 13:32:27 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 14 May 2007 13:32:27 -0700 Message-ID: Received: from 4.171.114.130 by BAY115-DAV19.phx.gbl with DAV; Mon, 14 May 2007 20:32:22 +0000 X-Originating-IP: [4.171.114.130] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: R-26B 4 Rotor Air Measurement Approach Date: Mon, 14 May 2007 16:32:14 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_011A_01C79645.6DB1B0E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.50.0034.2000 Seal-Send-Time: Mon, 14 May 2007 16:32:14 -0400 X-OriginalArrivalTime: 14 May 2007 20:32:27.0028 (UTC) FILETIME=[FC7DC540:01C79666] Return-Path: lors01@msn.com This is a multi-part message in MIME format. ------=_NextPart_000_011A_01C79645.6DB1B0E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm sure you are right Bill, that engine had to be a real job to tune. = Dave's (can't remember last name right now) twin rotary engine Reno = racer used that system as well and it took the skills of an expert to do = it. I watched Roger Mandeville work for a long time to get it even = close. And the tune-up was only good for a short time. A small drift = in conditions or sensor calibration would screw it up again. =20 Tracy Ed, That is interesting. Many people talk about the third plug, but that = was only for efficiency. The engine was built to run durring a = efficiency formula. (That had a max amount of fuel available for the = race) They must have worked very hard to map that engine if they ran = alpha-N! Bill Jepson =20 Subject: [FlyRotary] R-26B 4 Rotor Air Measurement Approach Bill, the R-26B engine used the a-N method to measure intake air = amount using throttle opening and engine speed as parameters. Ed -------------------------------------------------------------------------= ----- AOL now offers free email to everyone. Find out more about what's free = from AOL at AOL.com. ------=_NextPart_000_011A_01C79645.6DB1B0E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm sure you are right Bill, that engine had to be a real job to=20 tune.  Dave's (can't remember last name right now) twin rotary = engine Reno=20 racer used that system as well and it took the skills of an expert to do = it.  I watched Roger Mandeville work for a long time to get it even = close.  And the tune-up was only good for a short=20 time.  A small drift in conditions or sensor = calibration=20 would screw it up again.  
 
Tracy

Ed,
 That is interesting. Many people talk about the third plug, = but=20 that was only for efficiency. The engine was built to run durring a = efficiency=20 formula. (That had a max amount of fuel available for the race) They = must have=20 worked very hard to map that engine if they ran alpha-N!
Bill Jepson
 
 

Subject: [FlyRotary] R-26B 4 Rotor Air=20 Measurement Approach

 
 
Bill, the R-26B engine used the a-N method to = measure=20  intake air amount using throttle opening and engine speed as=20 parameters.
 
Ed
AOL now offers free email to everyone. Find out more about what's free = from=20 AOL at AOL.com.
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