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Aviation gasoline fuel is generally very stable assuming that it actually is the real stuff.
Auto gasoline is NOT stable eccept for a short period. Sitting out there tied down in a sun warmed wing tank full of car gas is bad bad bad. If necessary, use a fuel stabilizer / oxidation inhibiter to prevent the auto fuel from forming gum. This additive is available everywhere. Refineries only use the minimum amount because auto gas is meant to be used up quickly. It is not designed to sit for days or weeks in a hot location such as an Ercoupe or other Aircraft. [I wouldn't even let it sit in an ordinary lawn mower ]
-------Original Message-------
From: [EMAIL PROTECTED]
Date: 05/03/06 15:23:05
Subject: Re: [COUPERS-TECH] Info concerning brown stuff in fuel. In a message dated 5/3/2006 2:06:17 P.M. Eastern Daylight Time, [EMAIL PROTECTED] writes:
My fuel tanks were rebuilt in 2002 by an A&P and I.
There is no sloshing compound in them and I don't use auto gas or Marvel mystery oil or any other additives. So, either it is the manganese additive from the gas company or I got something bad from another airport somewhere, as no one else at my home port has had the problem. Scott,
My money is on fuel left in the tanks and turned into shellac,
this can easily happen in a short time of inactivity. When fuel
is added on top of this it will break the shellac up into brown
flakes. Is this the same a/c Glen Davis was asking about?
John
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