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wdaniell.longport(at)gmai
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 Posted: Sun Jul 10, 2022 1:56 pm Post subject: Fuel tank leak |
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So it appears i am another victim of cracked fuel tank. I filled up, right up the neck a couple of days ago and no abnormalities. Today i filled up and fuel was leaking significantly from the top tank shelf.
Does anyone by chance have a fuel tank that they want to get rid of?
I would also be interested in an unuseable one as i am toying with the idea of constructing an aluminum one.
Photographs of the tank pre instalation would also be useful.
Many thanks
Will
William Daniell
+1 786 878 0246
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Fred Klein
Joined: 26 Mar 2012
Posts: 503
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| Posted: Sun Jul 10, 2022 6:21 pm Post subject: Fuel tank leak |
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ouch…you’ve my sympathies Will…good luck with replacing it…
Fred | Quote: | On Jul 10, 2022, at 2:56 PM, William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
So it appears i am another victim of cracked fuel tank. I filled up, right up the neck a couple of days ago and no abnormalities. Today i filled up and fuel was leaking significantly from the top tank shelf.
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barp99(at)gmail.com
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| Posted: Sun Jul 10, 2022 8:21 pm Post subject: Fuel tank leak |
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Will,
Here is a sketch of my fuel tank with some dimensions, sorry about the
metric dimensions, all my rulers are metric, hope this helps.
Cheers,
Brian Phillips
On 11/07/2022 7:56 am, William Daniell wrote:
| Quote: | So it appears i am another victim of cracked fuel tank. I filled up,
right up the neck a couple of days ago and no abnormalities. Today i
filled up and fuel was leaking significantly from the top tank shelf.
Does anyone by chance have a fuel tank that they want to get rid of?
I would also be interested in an unuseable one as i am toying with the
idea of constructing an aluminum one.
Photographs of the tank pre instalation would also be useful.
Many thanks
Will
William Daniell
+1 786 878 0246
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Area-51
Joined: 03 May 2021
Posts: 378
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| Posted: Mon Jul 11, 2022 2:09 am Post subject: Re: Fuel tank leak |
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This seems to be a common issue.. wondering if its cost effective to reproduce these fuel tanks in polyethylene blow molding?
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spcialeffects
Joined: 29 Aug 2012
Posts: 306
Location: Kent
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| Posted: Mon Jul 11, 2022 9:51 am Post subject: Re: Fuel tank leak |
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Sent you at email Will, hope it reaches you
Frank
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n7188u
Joined: 15 Nov 2015
Posts: 401
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| Posted: Mon Jul 11, 2022 10:23 am Post subject: Re: Fuel tank leak |
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Sorry to hear Will. I hope the repair goes smoothly.
I think that the day I go through this I will make a fiberglass tank as done by one of our members in the US. I met him during SnF this year but can't remember his name. My LongEZ tank is epoxy glass construction and is 30 years old with no leaks. This member built a foam plug covered with duct tape for release and then covered with glass. Made a top and bottom and then joined together once the plug was removed. Also made some really nice aluminum reinforced sections to drill and tap to use screw fittings for the pickup at the bottom. Much better than the silly bosses our tanks have. He also adjusted the size so that the door sill would not need to be cut (or so is my understanding).
He did a nice job and he's happy with the outcome. Of course, getting a PE tank, if still available, is the fastest and less labor intensive route but then you run the risk of going through the same BS in the future.
BTW, make 100% sure it is the tank. My neighbor once swore he had a tank leak and it was hose/fitting related. But I am sure you checked for that.
Best of luck,
Chris
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wdaniell.longport(at)gmai
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| Posted: Mon Jul 11, 2022 1:07 pm Post subject: Fuel tank leak |
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Chris
I am pretty sure its the tank...nothing else is leaking and it was firmly glued in place.
I have looked at the composite option but it appears that it won't work with ethanol blends....works with AVGAS tho.
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 2:25 PM n7188u <chmgarb(at)gmail.com (chmgarb(at)gmail.com)> wrote:
| Quote: | --> Europa-List message posted by: "n7188u" <chmgarb(at)gmail.com (chmgarb(at)gmail.com)>
Sorry to hear Will. I hope the repair goes smoothly.
I think that the day I go through this I will make a fiberglass tank as done by one of our members in the US. I met him during SnF this year but can't remember his name. My LongEZ tank is epoxy glass construction and is 30 years old with no leaks. This member built a foam plug covered with duct tape for release and then covered with glass. Made a top and bottom and then joined together once the plug was removed. Also made some really nice aluminum reinforced sections to drill and tap to use screw fittings for the pickup at the bottom. Much better than the silly bosses our tanks have. He also adjusted the size so that the door sill would not need to be cut (or so is my understanding).
He did a nice job and he's happy with the outcome. Of course, getting a PE tank, if still available, is the fastest and less labor intensive route but then you run the risk of going through the same BS in the future.
BTW, make 100% sure it is the tank. My neighbor once swore he had a tank leak and it was hose/fitting related. But I am sure you checked for that.
Best of luck,
Chris
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n7188u
Joined: 15 Nov 2015
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wdaniell.longport(at)gmai
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| Posted: Mon Jul 11, 2022 1:52 pm Post subject: Fuel tank leak |
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Chris thanks
yea... I have googled it and I saw an article by a glasair builder. He tried with AVGAS and the composite was fine after a year....with ethanol it was already soft after a week!
Ill give these guys a ring...
I am guessing that the aluminium will be heavier and smaller (more difficult to include all the complex curves). I have emailed Europa in the UK so we'll see if they respond.
Will
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 5:26 PM n7188u <chmgarb(at)gmail.com (chmgarb(at)gmail.com)> wrote:
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peterz(at)zutrasoft.com
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| Posted: Mon Jul 11, 2022 2:27 pm Post subject: Fuel tank leak |
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ya, the canard-clan's use of E-Z Poxy with their slow hardner works great for alc-free mogas as per the tank I made for my HummelBird - 4 years ago and still nice and hard without any flaking.
I'm sure it would get soft with E95 tho.
Cheers,
PeteZ
PS- if going the with a stock tank, get it re-flouronated by these guys that are in the supply chain for the auto industry tanks and shampoo bottles. I did my stock tank and it came back with a severe frosted finish - so it must be doing something  It sadly still has not seen mogas yet 
On Mon, Jul 11, 2022 at 5:58 PM William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
| Quote: |
Chris thanks
yea... I have googled it and I saw an article by a glasair builder. He tried with AVGAS and the composite was fine after a year....with ethanol it was already soft after a week!
Ill give these guys a ring...
I am guessing that the aluminium will be heavier and smaller (more difficult to include all the complex curves). I have emailed Europa in the UK so we'll see if they respond.
Will
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 5:26 PM n7188u <chmgarb(at)gmail.com (chmgarb(at)gmail.com)> wrote:
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wdaniell.longport(at)gmai
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| Posted: Mon Jul 11, 2022 3:06 pm Post subject: Fuel tank leak |
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thanks pete. I was actually looking for a "flourinator"!
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 6:29 PM Pete Zut <peterz(at)zutrasoft.com (peterz(at)zutrasoft.com)> wrote:
| Quote: | ya, the canard-clan's use of E-Z Poxy with their slow hardner works great for alc-free mogas as per the tank I made for my HummelBird - 4 years ago and still nice and hard without any flaking.
I'm sure it would get soft with E95 tho.
Cheers,
PeteZ
PS- if going the with a stock tank, get it re-flouronated by these guys that are in the supply chain for the auto industry tanks and shampoo bottles. I did my stock tank and it came back with a severe frosted finish - so it must be doing something It sadly still has not seen mogas yet
On Mon, Jul 11, 2022 at 5:58 PM William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
| Quote: |
Chris thanks
yea... I have googled it and I saw an article by a glasair builder. He tried with AVGAS and the composite was fine after a year....with ethanol it was already soft after a week!
Ill give these guys a ring...
I am guessing that the aluminium will be heavier and smaller (more difficult to include all the complex curves). I have emailed Europa in the UK so we'll see if they respond.
Will
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 5:26 PM n7188u <chmgarb(at)gmail.com (chmgarb(at)gmail.com)> wrote:
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peterz(at)zutrasoft.com
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| Posted: Mon Jul 11, 2022 3:22 pm Post subject: Fuel tank leak |
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When I did mine, I requested their full automotive level (to meet EPA) fwiw.
Cheers,
PeteZ
On Mon, Jul 11, 2022 at 7:13 PM William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
| Quote: | thanks pete. I was actually looking for a "flourinator"!
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 6:29 PM Pete Zut <peterz(at)zutrasoft.com (peterz(at)zutrasoft.com)> wrote:
| Quote: | ya, the canard-clan's use of E-Z Poxy with their slow hardner works great for alc-free mogas as per the tank I made for my HummelBird - 4 years ago and still nice and hard without any flaking.
I'm sure it would get soft with E95 tho.
Cheers,
PeteZ
PS- if going the with a stock tank, get it re-flouronated by these guys that are in the supply chain for the auto industry tanks and shampoo bottles. I did my stock tank and it came back with a severe frosted finish - so it must be doing something It sadly still has not seen mogas yet
On Mon, Jul 11, 2022 at 5:58 PM William Daniell <wdaniell.longport(at)gmail.com (wdaniell.longport(at)gmail.com)> wrote:
| Quote: |
Chris thanks
yea... I have googled it and I saw an article by a glasair builder. He tried with AVGAS and the composite was fine after a year....with ethanol it was already soft after a week!
Ill give these guys a ring...
I am guessing that the aluminium will be heavier and smaller (more difficult to include all the complex curves). I have emailed Europa in the UK so we'll see if they respond.
Will
William Daniell
LONGPORT
+1 786 878 0246
On Mon, Jul 11, 2022 at 5:26 PM n7188u <chmgarb(at)gmail.com (chmgarb(at)gmail.com)> wrote:
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Area-51
Joined: 03 May 2021
Posts: 378
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| Posted: Mon Jul 11, 2022 3:30 pm Post subject: Re: Fuel tank leak |
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Have a look at epoxy materials and processes used for constructing motorcycle racing tanks; they are used to successfully contain 100% ethanol, methanol and blended fuel; basically the inside of the tank is treated with a long lasting (+10 years) membrane liquid before operationsl use.
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wdaniell.longport(at)gmai
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| Posted: Mon Jul 11, 2022 5:59 pm Post subject: Fuel tank leak |
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Interesting
I will follow that up.
Thanks
William Daniell
+1 786 878 0246
On Mon, Jul 11, 2022, 20:55 Wladimir Kummer <wladimirkummer(at)gmail.com>
wrote:
[quote] Hi William,
You may search for vynilester resins. Here in Brazil our fuel has 25% of
ethanol and lots of old car builders use Derakane (411-350) for their fuel
tanks with great success.
Best regards
Wladimir
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Em seg., 11 de jul. de 2022 às 18:54, William Daniell <
wdaniell.longport(at)gmail.com> escreveu:
>
> Chris thanks
>
> yea... I have googled it and I saw an article by a glasair builder. He
> tried with AVGAS and the composite was fine after a year....with ethanol it
> was already soft after a week!
>
> Ill give these guys a ring...
>
> I am guessing that the aluminium will be heavier and smaller (more
> difficult to include all the complex curves). I have emailed Europa in the
> UK so we'll see if they respond.
>
> Will
>
> William Daniell
> LONGPORT
> +1 786 878 0246
> On Mon, Jul 11, 2022 at 5:26 PM n7188u <chmgarb(at)gmail.com> wrote:
>
>>
>>
>> You bring up a good point Will. However, I would think that this day and
>> age you can get epoxy that will resist gasoline. FG tanks are not uncommon
>> in the boating world.
>>
>> I did find this:
>>
>>
>> https://theepoxyexperts.com/shop/adhesives/chemical-and-water-resistant/max-gre/max-gre-96oz-epoxy-resin-gasoline-resistant-4-coating-glue-fiberglassing-carbon-fiber/
>>
>> However, what a PITA to have to research all this and run the risk of it
>> not working (and the danger of the tank falling apart and clogging the fuel
>> system). Aluminum would certainly be safer but $$$ and possibly heavier
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Area-51
Joined: 03 May 2021
Posts: 378
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elinorsha
Joined: 05 Jul 2021
Posts: 3
Location: Canada
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| Posted: Mon Aug 01, 2022 4:11 am Post subject: Re: Fuel tank leak |
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I don't really like the cold, so I prefer the sunny days in California, where it's always warm. But I hear there are mountains in those places, have you tried climbing one of them and launching a drone. I just wonder if it will take off at an altitude where the air is rarefied. I've heard that to fly at that altitude you need propellers at least 44 inches in diameter for a 4-pound aircraft. This was calculated simply with a cm to inches converter for more accurate calculations.
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