Today's Message Index:
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1. 02:53 AM - AW: Fuel tank leak - another type (A. Buess Aviatik)
2. 03:00 AM - Croft Farm/Defford Sat 13 September (David Joyce)
3. 12:06 PM - Re: Croft Farm/Defford Sat 13 September (trevannan)
Message 1
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| Subject: | Fuel tank leak - another type |
Bud,
Thank you for your advice. I'll try to fix it with redux and two or three
plies of glass.
The indentations were most likely there from the beginning, but as they are
inside the tank and located at a place where something looking like a seam
is, they were not obvious. I don't know of any flexing or bending of the
tank during its installation. The indentations are not visible on the
outside of the tank, that means the tank wall material is much thinner and
therefore the pinhole(s) could occur.
Thanks again and best regards,
Alfred
Von: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] Im Auftrag von Bud Yerly
Gesendet: Montag, 11. August 2014 00:04
An: europa-list
Betreff: RE: Europa-List: Fuel tank leak - another type
Alfred,
Any good epoxy will stick to the tank. I use Redux and glass for small
repairs like a screw put into a tank by the builder. Still holding after 10
years. Do not use ethanol based fuels.
Also, it can be successfully repaired with a plastic welder as I was shocked
by one person that installed drains in the bottom of his tank. It worked
well. We tried on one tank in the shop by cutting a hole in the center
under the aft bulkhead and clearing the area where the tank could be welded.
It worked until the next annual when we could get in a new tank and replace
the repaired one.
I am surprised to see an indent as you showed in your photo. Was it there
from the beginning? During your cockpit module install was the module
flexed by accident?
Regards,
Bud Yerly
_____
From: ykibuess@bluewin.ch <mailto:ykibuess@bluewin.ch>
Subject: Europa-List: Fuel tank leak - another type
Collective wisdom,
My Europa XS is mostly finished. Two days ago I filled the tank with fuel -
it leaked after I filled in about 40 liters. Not much, but steadily. After
emptying the tank and opening up the access hole on the tank top the culprit
was quickly found: On top of the tunnel there are three distinct
indentations and three more that are smaller. At least one of them must have
a pinhole. The tank leaked exactly where these indentations are. See
attached pictures. It must be a manufacturing error. I am not keen to cut
this tank out and replace it with a new one, but would rather like to repair
it. As it is not a stress crack and as the top of the saddle should not be
exposed to particular stress, I think a repair should be possible. I added
the spray foam bottom support suggested by Bud Yerly (thank you for the
advice !) before filling the tank to minimize deformation stress.
My question: What adhesive sticks well enough to the tank material (I read
it is medium density polyethylene MDPE) and is fuel resistant? Is redux the
the good choice? Any other advice? Thanks in advance for all suggestions and
shared experiences!
Alfred Buess, Switzerland, Europa XS HB-YKI, Ercoupe 415-E N94804
<<...>> <<...>>
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| Subject: | Croft Farm/Defford Sat 13 September |
A number of UK Europa Pilots very kindly helped with
flying Scouts at their weekend camp at Croft Farm last
year, making it a most enjoyable & successful event. If
anyone is prepared to help again this year, please get in
touch with me or Tim Houlihan. I attach a briefing sheet,
which includes Currency requirements.
Regards, David Joyce, G-XSDJ
Message 3
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| Subject: | Croft Farm/Defford Sat 13 September |
Hi
I am willing . No sheet attached?
Roger
=======================================
Message Received: Aug 11 2014, 11:08 AM
From: "David Joyce"
Cc:
Subject: Europa-List: Croft Farm/Defford Sat 13 September
A number of UK Europa Pilots very kindly helped with
flying Scouts at their weekend camp at Croft Farm last
year, making it a most enjoyable & successful event. If
anyone is prepared to help again this year, please get in
touch with me or Tim Houlihan. I attach a briefing sheet,
which includes Currency requirements.
Regards, David Joyce, G-XSDJ
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