X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from relais.videotron.ca ([24.201.245.36] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3540462 for flyrotary@lancaironline.net; Mon, 09 Mar 2009 13:16:56 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.201.245.36; envelope-from=geryvon@videotron.ca MIME-version: 1.0 Content-transfer-encoding: 8BIT Content-type: text/plain; format=flowed; charset=iso-8859-1; reply-type=original Received: from yvon ([66.130.84.106]) by VL-MH-MR002.ip.videotron.ca (Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug 3 2007; 32bit)) with SMTP id <0KG9006E41B7T2E0@VL-MH-MR002.ip.videotron.ca> for flyrotary@lancaironline.net; Mon, 09 Mar 2009 13:16:20 -0400 (EDT) Message-id: From: Yvon Cournoyer To: Rotary motors in aircraft References: Subject: =?iso-8859-1?Q?Re:_=5BFlyRotary=5D_Re:_87_OCTANE_MOGAS_TEST_=28SOREL-TR?= =?iso-8859-1?Q?ACY=2C_PROVINCE_DE_QU=C9BEC=2C_CANADA=29?= Date: Mon, 09 Mar 2009 13:16:08 -0400 X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Thanks Jeff The total volume of liquids in the test was 225 ml Yvon ----- Original Message ----- From: "Jeff Whaley" To: "Rotary motors in aircraft" Sent: Monday, March 09, 2009 12:35 PM Subject: [FlyRotary] Re: 87 OCTANE MOGAS TEST (SOREL-TRACY, PROVINCE DE QUÉBEC, CANADA) The relationships are: 25/255 = 11.11% 40/225 = 17.77% Increase = 17.77 - 11.11 = 6.66% Same as 15/255 = 6.66% Jeff -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bob White Sent: Monday, March 09, 2009 12:06 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: 87 OCTANE MOGAS TEST (SOREL-TRACY, PROVINCE DE QUÉBEC, CANADA) Hi Yvon, My interpretation would be the 25 to 40 ml increase represents 15 ml of alcohol. That would represent 15 ml alcohol / 200 ml fuel + alcohol = 7.5 % I've never actually done one of these tests, so if I've got it wrong let me know. :) Bob W. On Mon, 09 Mar 2009 10:58:42 -0400 Yvon Cournoyer wrote: > > Yesterday I went to the Sorel airport and tested the fuel in my > Zenith 90 liters tank. > > This fuel already contains two stroke oil in the ratio of 1:130 > per > volume. > > In a cylindrical ungraduated container I poured 25 ml of tap water and > added 200 ml of fuel > > After 1 hour and several vigourous shakings I observed an increase in > the volume of water to 40 ml > > The increase is about 4% (?) > > All quantities are approximate. > > Since I began running and flying my 1986 Mazda 13B engine, I have > tested > in flight all grades of mogas and also 100LL avgas. I would wait until > my fuel level was very low and would fill my tank with the différent > grade. Never detected a change in the performance of my engine. The > only > times I drew water from my fuel tank was when it was filled with 100LL > avgas. > > Yvon Cournoyer. > > > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html -- N93BD - Rotary Powered BD-4 - http://www.bob-white.com 3.8 Hours Total Time and holding Cables for your rotary installation - http://roblinstores.com/ -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html