Return-Path: Sender: (Marvin Kaye) To: lml Date: Tue, 03 Sep 2002 02:49:19 -0400 Message-ID: X-Original-Return-Path: Received: from mailnw.centurytel.net ([209.206.160.237] verified) by logan.com (CommuniGate Pro SMTP 4.0b7) with ESMTP id 1720593 for lml@lancaironline.net; Tue, 03 Sep 2002 02:17:21 -0400 Received: from c656256a (pppoe0864.gh.centurytel.net [209.206.251.140]) by mailnw.centurytel.net (8.12.5/8.12.5) with SMTP id g836HKtg007417 for ; Mon, 2 Sep 2002 23:17:21 -0700 (PDT) X-Original-Message-ID: <001b01c25309$89eb3760$0100a8c0@mshome.net> From: "Robert Smiley" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Aviation vs. Automotive oil X-Original-Date: Mon, 2 Sep 2002 23:19:54 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0018_01C252D7.3EA14D80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_0018_01C252D7.3EA14D80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re aviation vs automotive oil. I am no expert but I remember reading somewhere that aviation oils have = anti- foaming agents. That is all I know. As a kind working in a garage = and service station environment; I remember that there were several = types of petroleum products designed for specific uses and applications. = I suppose that aviation and automotive oils are also designed for their = unique applications. This may support the need to use aviation oils in = our lycoming and continental engines. As an aside, anti-foaming agents may also be in some automotive oils: = I can neither affirm nor deny this statement. =20 As for me, the oil issue in a lycoming engine has been resolved by the = years of history, testing, and actual experience and use of proven = products as well as appropriate bulletins regarding the recommended oils = to use. This gives me a certain peace of mind knowing that that element = of a complex aircraft need not be explored for a more satisfactory = solution by me. This allows me to concentrate on other aircraft = components such as loose aileron hinges, etc. It is an interesting question, you pose, and perhaps an expert in = petroleum products may have some knowledge to impart to us which may = support our continued use in aviation oil. Bob Smiley N94RJ ------=_NextPart_000_0018_01C252D7.3EA14D80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Re aviation vs automotive = oil.
 
I am no expert but I remember reading = somewhere=20 that aviation oils have anti- foaming agents. That is all I know. = As a kind=20 working in a garage and service station environment; I remember that = there were=20 several types of petroleum products designed for specific uses and=20 applications.  I suppose that aviation and automotive oils are also = designed for their unique applications.  This may support the need = to use=20 aviation oils in our lycoming and continental engines.
 
As an aside, anti-foaming agents may = also be in=20 some automotive oils:   I can neither affirm nor deny = this=20 statement. 
 
As for me, the oil issue in a lycoming = engine has=20 been resolved by the years of history, testing, and actual experience = and use of=20 proven products as well as appropriate bulletins regarding the = recommended oils=20 to use.  This gives me a certain peace of mind knowing that that = element of=20 a complex aircraft need not be explored for a more satisfactory solution = by=20 me.  This allows me to concentrate on other aircraft components = such as=20 loose aileron hinges, etc.
 
It is an interesting question, you = pose, and=20 perhaps an expert in petroleum products may have some knowledge to = impart to us=20 which may support our continued use in aviation oil.
 
Bob Smiley
N94RJ
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