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Jim, My 66 Alon has a brown colored material in all of the fuel tanks. I believe this to be factory original. My logbooks do not say anything about the tanks ever leaking or being sloshed. This material does not look like what one would think that sloshing compound would look like. It is very thin, and you can see right through it in places. It really looks more like a varnish or shellac than any kind of sloshing material I have ever seen. I know that this material has been in my tanks since at least 1982 when we first owned the plane. I have had no issues with any of this material coming off or disolving. It looks like it is there to stay. I don't know how it would do with auto fuel, as I've always used AvGas. Let me know if you have any questions. Best Regards, Wayne delRossi Alon N5618F -----Original Message----- From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: [email protected] Sent: Mon, 5 Mar 2007 7:52 AM Subject: [COUPERS-TECH] RE: Brown coating in Alon Fuel Tanks ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- Jim, I compiled the pre-purchase check list with input and review from three Coupe mechanics and that subject is one where I don’t have much, if any, personal knowledge. ((I’m not any kind of mechanic.)) I’ve since heard John Wright, Jr., (of Coupe fuel tank rebuilding fame) exclaim that no sloshing compound is legal in a Coupe. If so, there are bunches of illegal Coupes. And maybe the Alon was made under different rules. But the sloshing compound becomes more of an issue if fuel is used that contains additives which might attack the sloshing compound. It might be proper to take into consideration whether you’re considering using Auto fuel with its wider range of additives including probable ethanol contamination. Let’s look for the response from the others. Ed Burkhead http://edburkhead.com ed –at- edburkhead???.com (change “-at-“ to [EMAIL PROTECTED] and remove the “???”) From: James Lilly [mailto:[EMAIL PROTECTED] Sent: Monday, March 05, 2007 1:29 AM To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [email protected] Subject: Brown coating in Alon Fuel Tanks Hello fellow Ercoupers, I looked at an ALON today and, using the prepurchase check list, I came upon an item dealing with the fuel tanks, which talked about trying to distinguish between automotive and aircraft sloshing compound in tanks. I believe a BROWN coating indicates automotive sloshing compound? What affect does this have on the performance of an aircraft? Is it a common coating in 1966 Alon Aircoupes? The Alon I was looking at have a brown coating in all of the tanks, but it did not really look like sloshing compund. I withheld a deposit until I heard from the group. Any advice would be greatly appreciated. Jim N86962 Create and Share your own Video Clip Playlist in minutes at Lycos MIX (http://mix.lycos.com) ============================================================================== To leave this forum go to: http://ercoupers.com/lists.htm ________________________________________________________________________ AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com. ============================================================================== To leave this forum go to: http://ercoupers.com/lists.htm
