X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from EXHUB003-2.exch003intermedia.net ([207.5.74.29] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTPS id 3540333 for flyrotary@lancaironline.net; Mon, 09 Mar 2009 12:35:46 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.29; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by EXHUB003-2.exch003intermedia.net ([207.5.74.29]) with mapi; Mon, 9 Mar 2009 09:34:40 -0700 From: Jeff Whaley To: Rotary motors in aircraft Date: Mon, 9 Mar 2009 09:35:08 -0700 Subject: =?iso-8859-1?Q?RE:_[FlyRotary]_Re:_87_OCTANE_MOGAS_TEST_(SOREL-TRACY,_PRO?= =?iso-8859-1?Q?VINCE_DE_QU=C9BEC,_CANADA)?= Thread-Topic: =?iso-8859-1?Q?[FlyRotary]_Re:_87_OCTANE_MOGAS_TEST_(SOREL-TRACY,_PROVINC?= =?iso-8859-1?Q?E_DE_QU=C9BEC,_CANADA)?= Thread-Index: Acmg0al/ALZhCGHpQ6CdHAvi7Kg6swAAvssg Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 The relationships are: 25/255 =3D 11.11% 40/225 =3D 17.77% Increase =3D 17.77 - 11.11 =3D 6.66% Same as 15/255 =3D 6.66% Jeff -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf 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 QU= =C9BEC, CANADA) Hi Yvon, My interpretation would be the 25 to 40 ml increase represents 15 ml of alcohol. That would represent=20 15 ml alcohol / 200 ml fuel + alcohol =3D 7.5 %=20 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: >=20 > Yesterday I went to the Sorel airport and tested the fuel in my=20 > Zenith 90 liters tank. >=20 > This fuel already contains two stroke oil in the ratio of 1:130 per=20 > volume. >=20 > In a cylindrical ungraduated container I poured 25 ml of tap water and=20 > added 200 ml of fuel >=20 > After 1 hour and several vigourous shakings I observed an increase in=20 > the volume of water to 40 ml >=20 > The increase is about 4% (?) >=20 > All quantities are approximate. >=20 > Since I began running and flying my 1986 Mazda 13B engine, I have tested= =20 > in flight all grades of mogas and also 100LL avgas. I would wait until=20 > my fuel level was very low and would fill my tank with the diff=E9rent=20 > grade. Never detected a change in the performance of my engine. The only= =20 > times I drew water from my fuel tank was when it was filled with 100LL=20 > avgas. >=20 > Yvon Cournoyer. >=20 >=20 > =20 >=20 >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html --=20 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