Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3225364 for flyrotary@lancaironline.net; Mon, 10 May 2004 19:43:41 -0400 Received: from ms-mss-03-ce0-1 ([10.10.5.86]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with ESMTP id i4ANh8s1001787 for ; Mon, 10 May 2004 19:43:09 -0400 (EDT) Received: from southeast.rr.com (localhost [127.0.0.1]) by ms-mss-03.southeast.rr.com (iPlanet Messaging Server 5.2 HotFix 1.21 (built Sep 8 2003)) with ESMTP id <0HXI0042YV7W2J@ms-mss-03.southeast.rr.com> for flyrotary@lancaironline.net; Mon, 10 May 2004 19:43:08 -0400 (EDT) Received: from [10.10.1.22] (Forwarded-For: [143.209.7.148]) by ms-mss-03.southeast.rr.com (mshttpd); Mon, 10 May 2004 19:43:08 -0400 Date: Mon, 10 May 2004 19:43:08 -0400 From: echristley@nc.rr.com Subject: Mogas issues To: Rotary motors in aircraft Reply-to: echristley@nc.rr.com Message-id: <112abee11301fe.11301fe112abee@southeast.rr.com> MIME-version: 1.0 X-Mailer: iPlanet Messenger Express 5.2 HotFix 1.21 (built Sep 8 2003) Content-type: text/plain; charset=us-ascii Content-language: en Content-transfer-encoding: 7BIT Content-disposition: inline X-Accept-Language: en Priority: normal X-Virus-Scanned: Symantec AntiVirus Scan Engine I was asking someone very knowledgeable in the area of epoxy systems about gas tank sealants for composite tanks that can stand up to mogas. His response is below, and he brings up some issues that I've never considered. Transport will not be an issue for me, but what do those of you who've been flying with mogas think about the issue of smell and loss of octane? Could the latter be the reason that Rusty is seeing such poor static performance? The gas has been sitting to long and gotten a little rusty? > Jeffco makes a coating (tank lining system ) specific for Avgas. It is > used in Lancairs. I don't know the number so you'll have to contact them. > Mogas stinks - literally. You'll have an airplane and a hanger that > smells like a jet ski . It makes passengers sick real fast. You will get > tired of the transporting hassles too. I've never seen any data on > storage stability, but I know the makers never plan on it being around much > longer that a few days. If you wind up not flying on a regular basis, > I'll bet dollars to donuts that it looses octane units with time - say 30 > days or so.