X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 14 Aug 2010 20:34:12 -0400 Message-ID: X-Original-Return-Path: Received: from snt0-omc3-s6.snt0.hotmail.com ([65.55.90.145] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4431088 for lml@lancaironline.net; Sat, 14 Aug 2010 18:03:05 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.55.90.145; envelope-from=gary21sn@hotmail.com Received: from SNT112-DS19 ([65.55.90.137]) by snt0-omc3-s6.snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Sat, 14 Aug 2010 15:02:31 -0700 X-Originating-IP: [24.216.229.86] X-Originating-Email: [gary21sn@hotmail.com] X-Original-Message-ID: X-Original-Return-Path: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" References: Subject: Re: L235 Avgas vs Mogas X-Original-Date: Sat, 14 Aug 2010 15:02:23 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/alternative; boundary="----=_NextPart_000_026D_01CB3BC1.B3ED4770" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 Seal-Send-Time: Sat, 14 Aug 2010 15:02:23 -0700 X-MimeOLE: Produced By MSN MimeOLE V10.00.0079.0400 X-OriginalArrivalTime: 14 Aug 2010 22:02:31.0120 (UTC) FILETIME=[6453C500:01CB3BFC] This is a multi-part message in MIME format. ------=_NextPart_000_026D_01CB3BC1.B3ED4770 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I think that it what he means when indicating "if the airframe is = compatible". A vapor return line from the carb. to the header tank would be = important. I installed it during construction in the early years when = considering pump gas; then I came to my senses and have only used avgas = since day one. Gary Edwards LNC2 =20 More importantly you should verify that the entire fuel system can = handle MOGAS. Wing/header fuel tank sealer, material used to bond = bottom skin to wing (and header to deck), fuel cap o-rings, drain = o-rings, selector seals (if used), gascolator and/or filter, non-teflon = flexible fuel lines, sight gauge lines (if any), header float switches = (if any), carb/throttle body, fuel transfer pumps, etc. Vapor lock is more likely to occur firewall forward because of heat. = Else where it can occur from heat or altitude (reduced ambient = pressure). Grayhawk Did someone use Mogas on Lancair 235 with O235? I asked Petersen and they can give me an engine STC but they told me = I should verify if the airframe is compatible, expecially about vapor = lock. Thanks Giuseppe Sozzi ------=_NextPart_000_026D_01CB3BC1.B3ED4770 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I think that it what he means when indicating "if the airframe is=20 compatible".

A vapor return line from the carb. to the header tank would be=20 important. I installed it during construction in the early years = when=20 considering pump gas; then I came to my senses and have only used avgas = since=20 day one.

Gary Edwards

LNC2

More importantly you should verify that the entire fuel system = can handle=20 MOGAS. Wing/header fuel tank sealer, material used to bond = bottom skin=20 to wing (and header to deck), fuel cap o-rings, drain o-rings, = selector=20 seals (if used), gascolator and/or filter, non-teflon flexible = fuel=20 lines, sight gauge lines (if any), header float switches (if=20 any), carb/throttle body, fuel transfer pumps, etc.

Vapor lock is more likely to occur firewall forward because of=20 heat. Else where it can occur from heat or altitude (reduced = ambient=20 pressure).

Grayhawk

Did someone use Mogas on Lancair = 235 with=20 O235?

I asked Petersen and they can give = me=20 an engine STC but they told me I should verify if the airframe = is=20 compatible, expecially about vapor lock.

Thanks

Giuseppe=20 = Sozzi

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