Return-Path: Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 793075 for flyrotary@lancaironline.net; Mon, 14 Mar 2005 13:58:30 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=bobperk@bellsouth.net Received: from HpPavilion310n ([68.19.224.141]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050314185745.DIMY28183.imf16aec.mail.bellsouth.net@HpPavilion310n> for ; Mon, 14 Mar 2005 13:57:45 -0500 From: "Bob Perkinson" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Leaking Mogas Date: Mon, 14 Mar 2005 12:57:43 -0600 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C3_01C52895.69C5DC60" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_00C3_01C52895.69C5DC60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Todd, Water is powerful stuff. I am not sure how your weather has been this winter but if it has been any thing like what I imagine it has been back and forth below and above freezing several times. The water in the tank could have cycled several times from liquid to solid. I can imagine the water getting behind an edge of the pro seal in the corner of the tank and freezing lifting the seal from the aluminum. If this happens several times I could see the water working its way completely under the pro seal. As for the time lag between when you put the fuel in the tank and when it first began to run out I can only suppose that the temps in that part of the world are steal hovering around the 0 c mark at night and only getting above 0 c during the day for a short period of time. It could have been that there was ice in the area between the aluminum and the pro seal, and it took that long for the fuel to thaw through the ice. Of course this all supposition, a product of an over imaginative what if mind. Bob Perkinson Hendersonville, TN. RV9A N658RP Reserved If nothing changes Nothing changes Now what exactly happened there? It didn't leak a drop for close to an hour, then suddenly it let several gallons leak out in less than 10 minutes. It must have been an aggressive chemical reaction that dissolved the fuel tank sealant. ------=_NextPart_000_00C3_01C52895.69C5DC60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Todd,

Water is powerful = stuff.  I am not sure how your weather = has been=20 this winter but if it has been any thing like what I imagine it has been = back=20 and forth below and above freezing several times.  The water in the tank could = have cycled=20 several times from liquid to solid. =20 I can imagine the water getting behind an edge of the pro seal in = the=20 corner of the tank and freezing lifting the seal from the aluminum. =  If this happens several times I = could see=20 the water working its way completely under the pro seal.  As for the time lag between = when you put=20 the fuel in the tank and when it first began to run out I can only = suppose that=20 the temps in that part of the world are steal hovering around the 0 c = mark at=20 night and only getting above 0 c during the day for a short period of = time.  It could have been that there = was ice in=20 the area between the aluminum and the pro seal, and it took that long = for the=20 fuel to thaw through the ice.  = Of=20 course this all supposition, a product of an over imaginative what if=20 mind.

 

Bob Perkinson
Hendersonville, TN.
RV9A N658RP=20 Reserved
If nothing changes
Nothing changes
 

    Now what exactly happened there? It didn't leak a drop for = close to an=20 hour, then suddenly it let several gallons leak out in less than 10 = minutes.=20 It must have been an aggressive chemical reaction that dissolved the = fuel tank=20 sealant.
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