Return-Path: Received: from imo-r09.mail.aol.com ([152.163.225.9]) by ns1.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-64832U3500L350S0V35) with ESMTP id com for ; Fri, 3 Nov 2000 08:42:17 -0500 Received: from Sky2high@aol.com by imo-r09.mx.aol.com (mail_out_v28.32.) id k.e0.bd8f525 (17383) for ; Fri, 3 Nov 2000 08:49:28 -0500 (EST) From: Sky2high@aol.com Message-ID: Date: Fri, 3 Nov 2000 08:49:28 EST Subject: Auto Gas, Not MoGas To: lancair.list@olsusa.com X-Mailing-List: lancair.list@olsusa.com Reply-To: lancair.list@olsusa.com Mime-Version: 1.0 For those interested in using Auto Gas -- Gas bought from Automotive Gas
Stations.

Make sure you consider the following when making those cross-the-country
trips:

1) Here in the Middle West most every pump, regardless of grade, is placarded
with the following note -- May contain up to 10% Ethanol.  I understand that
some fuel tank sealants and certain rubber gaskets or o-rings are "eaten" by
long term exposure to this additive.

2) Certain "Big Cities" (i.e. Chicago) and their metropolitan areas are under
an EPA mandate to utilize another additive (MTBE?, I don't remember....) to
ensure cleaner emissions.  You may remember that Chicago had a gas shortage
last Spring because of the switch over and a broken pipeline.  I have no idea
what effect such compounded fuel has when used in the aviation environment.

I am sure someone out there can clarify the implications of these additives.  
I have not been paying attention to them because I no longer use Auto Gas
since I have sold my Challenger II equipped with a 2-cycle Rotax 503 DCDI.  I
remember that Rotax didn't want any "alcohols" (i.e. Ethanol) in the fuel.

Scott Krueger
N92EX, Still burning and churning with 100LL.