Today's Message Index:
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1. 12:21 AM - KEVV - Evansville Indiana EAA Chapter 21 Wings and Wheels this weekend (Steven Eberhart)
2. 02:15 AM - Fuel tank leak - another type (A. Buess Aviatik)
3. 04:51 AM - Re: Fuel tank leak - another type (Jan de Jong)
4. 07:08 AM - Re: Fuel tank leak - another type (Bill Cutshaw)
5. 03:05 PM - Re: Fuel tank leak - another type (Bud Yerly)
Message 1
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| Subject: | KEVV - Evansville Indiana EAA Chapter 21 Wings and Wheels |
this weekend
Our Fourth Annual Wings and Wheels event is Saturday, August 16, 2014
We have had over 200 Cruisers at each of our first two Wings and
Wheels This year should continue building on our great start.
Cruise-In or Fly-In and help us set a new attendance record this year
10:00 AM till 3:00 PM Central time.
Tri-State Aero (KEVV), Ramp and Parking Lot.
Here are some pics of previous Wings and wheels. Our 2014 Wings
and Wheels event will be at Tri-State Aero, Evansville, IN August
16th, 2014.
http://www.eaa21.org/WingsandWheels.jpg
<http://www.youtube.com/watch?v=ka1Sg7tmULc>
http://www.youtube.com/watch?v=ka1Sg7tmULc
http://www.eaa21.org/coppermine1/thumbnails.php?album=2
Message 2
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| Subject: | 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
Message 3
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| Subject: | Re: Fuel tank leak - another type |
I would be interested in fuel tests on 3M DP-8005:
https://www.youtube.com/watch?v=Bdno6qS8GTk
On 8/10/2014 11:14 AM, A. Buess Aviatik wrote:
> 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
>
> <<...>> <<...>>
>
Message 4
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| Subject: | Re: Fuel tank leak - another type |
Try urethanesupply.com for everything you need to know about plastic
welding.
Bill Cutshaw
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=428264#428264
Message 5
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| Subject: | Fuel tank leak - another type |
Alfred=2C
Any good epoxy will stick to the tank. I use Redux and glass for small rep
airs like a screw put into a tank by the builder. Still holding after 10 y
ears. Do not use ethanol based fuels.
Also=2C it can be successfully repaired with a plastic welder as I was shoc
ked by one person that installed drains in the bottom of his tank. It work
ed 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 repl
ace 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 flex
ed by accident?
Regards=2C
Bud Yerly
From: ykibuess@bluewin.ch
Subject: Europa-List: Fuel tank leak - another type
=0A
=0A
=0A
=0A
=0A
Fuel tank leak - another type=0A
=0A
=0A
=0A
=0A
Collective wisdom=2C=0A
=0A
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=2C 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 in
dentations and three more that are smaller. At least one of them must have
a pinhole. The tank leaked exactly where these indentations are. See attach
ed pictures. It must be a manufacturing error. I am not keen to cut this ta
nk out and replace it with a new one=2C but would rather like to repair it.
As it is not a stress crack and as the top of the saddle should not be exp
osed to particular stress=2C I think a repair should be possible. I added t
he spray foam bottom support suggested by Bud Yerly (thank you for the advi
ce !) before filling the tank to minimize deformation stress. =0A
=0A
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 a
nd shared experiences!=0A
=0A
Alfred Buess=2C Switzerland=2C Europa XS HB-YKI=2C Ercoupe 415-E N94804=0A
=0A
<<...>> <<...>>
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