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Man that sucks! Sure is hard to get a straight answer on what materials are ethanol OK and what arent. I still havent figured out what the stuff was that I found in the bottoms of my tanks when I sumped them a while back. I've gone back to 100LL for a bit to see if it clears up - then will switch back to mogas and see if the problem returns.
At least sounds like you are philosophical about it and are making good progress on the changes needed to get it fixed.
Mike Wills
RV-4 N144MW
----- Original Message ----- From: "John Slade" <sladerj@sbcglobal.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, April 05, 2009 6:33 PM
Subject: [FlyRotary] MGS Epoxy and Ethanol
Just in case anyone is thinking that fuel tanks made with MGS epoxy will stand up to prolonged auto-gas / ethanol exposure, I'm here to tell you that they won't.
I'm in the process of removing and replacing the inner skins in both fuel tanks on my Cozy IV.
See http://forum.canardaviation.com/showthread.php?t=4594 for a detailed report and pictures. I'll post more pictures on my web site when the repair job is complete.
Chris Barber - we need to buy each other a beer :)
John
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