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There are two areas that may influence this.
On my plane,
1. I did the Jeffco coating, but when you glue the
closeout piece in place, the seam is not covered, so I worried that that would
be a point of attack.
2. Another builder and I did a test, I coated samples of
fiberglass with Jeffco and the structural epoxy, and he did an immersion test in
gasoline with ethanol. The regular epoxy (Aeropoxy) flaked off rapidly, the
Jeffco did not, however it DID swell, and gain weight, which indicated to me
that it was letting some of the solvent through to the underlying epoxy,
therefore I decided that I could not trust it with ethanol.
Bill
Schertz
KIS Cruiser #4045
N343BS
Phase one testing Completed
Sent: Thursday, December 01, 2011 2:51 PM
Subject: [FlyRotary] Re: Steve Brooks Cozy
Bill,
Apparently
I did get some Ethanol. I had used the Jeffco sealant on the tanks - 3
coats, when I built it. Supposedly it is impervious to most anything, but
apparently that is either not correct, or I missed a pinhole
somewhere.
Steve
From: Rotary motors in
aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bill
Schertz
Sent: Thursday, December 01, 2011 7:18 AM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Steve Brooks Cozy
Were
you running Auto fuel with Ethanol in your tanks?
Bill
Schertz
KIS Cruiser #4045
N343BS
Phase one testing
Completed
Sent:
Thursday, December 01, 2011 5:29 AM
Subject:
[FlyRotary] Re: Rotary Plane on
Mythbusters
Hi
Kelly,
Yeas,
I've been quiet for a while, but still lurking. It has been 2 years since
I last flew the Cozy. I had an engine issue, and I had the plane in the
garage for almost a year swapping the engine, and adding the EM3. I ended
up changing jobs and moving about an hour away, so I moved the plane back to the
airport before I was quite ready, and then while tuning, I noticed that I had
developed a leak in the left fuel tank.
At
this point I need to get the plane moved to my new house, so that I can open up
the tank, and repair any damaged foam, and re-glass and paint it. I should
already have done it, but between work, and home projects, I haven't taken
the time. I also need to arrange with a wrecker company or someone to move
it.
I
did buy another plane though, a Socata Tampico, so that I could still do some
flying. The plan is to fix the Cozy, and then sell one of them. I
prefer to keep the Cozy, but the wife really like the Socata, so I'm not yet
sure how that will work out.
Steve
Brooks
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