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n282rs(at)earthlink.net
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 Posted: Sun Jun 11, 2006 10:47 am Post subject: Corroded Fuel Tank |
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Since my plane was going to be out of commission while I get another engine, I thought I would work on my annual inspection. I had a little bit of a blue stain around the fuel sender. Good time to fix that, especially since my wings are not on the plane. When I filled the tank to test it, I could see fuel seeping from under the ribs and out the bottom of the nose skin. I had to pull the nose skin off to see where it was coming from. It appears that the cork had soaked up some water and I have at least 5 holes that have been caused from corrosion. Some of them are actually on the top of the tank.
I think the only reason I did not notice it before, was because the fit between the cork , wing skin, and tank was pretty tight. When we took the wings off to transport the plane home, this wing was upside down on the trailer. I'm sure that shook things loose, opening up the holes. I'll have to pull the other tank to see if it has the same problem.
For those who are building, maybe it would be a good idea to prime and paint your tanks before closing up your wings. I had not done this, but will this time.
For now, I'm trying to decide if I want to make fiberglass tanks like the ones shown on CH601.org, or do like Carlos Sa did with his riveted tanks. I also see that Bill Morelli had to repair his tanks in December and used something other than cork. Bill, Are you still happy with the foam? Does it have a brand name? I want to make sure I pick up the same stuff. Got any pictures?
Randy Stout
n282rs"at"earthlink.net
www.geocities.com/r5t0ut21
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grs-pms(at)comcast.net
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| Posted: Sun Jun 11, 2006 12:01 pm Post subject: Corroded fuel tank |
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Thanks, Randy, for passing on the fuel tank corrosion alert. I wonder whether anyone else has had the same problem?
George
Do not archive.
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frank.hinde(at)hp.com
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| Posted: Sun Jun 11, 2006 12:53 pm Post subject: Corroded fuel tank |
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I had a leak due to a crack but there was no sign of corrosion at all.
Frank
HDS 400 hours
From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of George Swinford
Sent: Sunday, June 11, 2006 1:01 PM
To: zenith-list(at)matronics.com
Subject: Corroded fuel tank
Thanks, Randy, for passing on the fuel tank corrosion alert. I wonder whether anyone else has had the same problem?
George
Do not archive.
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