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Old 09-01-2010, 09:14 PM
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Sealing Gas Tanks

Do you guys use anything to seal around the stopper of your gas tanks? I am getting just a little seepage around the edges. I have tighten it up as much as I can.--Smitty
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Old 09-01-2010, 09:18 PM
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Re: Sealing Gas Tanks

if it is to tight it can actually leak. the rubber can distort. i usually just snug it up and check it. never had an issue.
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Old 09-01-2010, 09:21 PM
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Re: Sealing Gas Tanks

Also I put a little gas in and let it soak... The stopper swells a little when it comes in contact with the gas...
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Old 09-03-2010, 06:18 AM
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Re: Sealing Gas Tanks

James, I think you hit on the problem. I put a new stopper in and it works just fine.---Smitty
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Old 09-03-2010, 08:10 AM
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Re: Sealing Gas Tanks

These stoppers are really only good for one season. Two max. They only cost $1.65.
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Old 09-03-2010, 08:46 AM
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Re: Sealing Gas Tanks

Dump the Dubro and go with a soda bottle.


https://www.flyinggiants.com/forums/...ad.php?t=38890
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Old 09-03-2010, 02:21 PM
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Re: Sealing Gas Tanks

On the soda bottle what fittings do you use to go thru the cap and how do you seal them?---Smitty
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Old 09-03-2010, 05:25 PM
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Re: Sealing Gas Tanks

Use a Gatorade bottle. I am currently using the 20oz. Wide mouth cap. The plastic used on the Gatorade bottles is nice and thick. The fitting I use for the cap is the Dubro #340 (PICTURED BELOW) The filter comes apart. I drill the hole (cap) same size as the threads on the filter. Screw in one of the filter sides onto to the drilled cap hole, then put the o-ring on to the threaded side (inside the cap) and, screw on the 2nd filter half. Done!
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Old 09-03-2010, 06:11 PM
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Re: Sealing Gas Tanks

Quote:
Use a Gatorade bottle. I am currently using the 20oz. Wide mouth cap. The plastic used on the Gatorade bottles is nice and thick.
you might want to do some reading on the soda bottle thread. The Gatorade bottles are failing after a while. The cap doe not like gas.

The best setup is a Fiji water bottle, Ernst stopper on inside of cap, no sealer, and straw over the pickup line.
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Old 09-03-2010, 06:44 PM
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Re: Sealing Gas Tanks

Just came back from the hobby shop and saw that Fox is putting out caps for the Gaterade and soda bottles. The kit contains a capwith a O-ring and the 3 fuel tubing. They say put the tubing through the cap and use thin CA to seal it and you have no leaks. Talk to a guy at the shop that has used one and he said the thin CA worked fine and he has no leaks. I thought the product was pretty neat . The fuel filter idea is a good thought and probably cheaper. I didn't look at the price on the Fox item.---Smitty
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Old 09-03-2010, 06:51 PM
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Originally from Puerto Rico but, live in NY. Go! Gabriel Altuz
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Re: Sealing Gas Tanks

Quote:
Originally Posted by Barn-E-Stormer View Post
you might want to do some reading on the soda bottle thread. The Gatorade bottles are failing after a while. The cap doe not like gas.

The best setup is a Fiji water bottle, Ernst stopper on inside of cap, no sealer, and straw over the pickup line.
Thanks for the tip. I have had that cap on for several months now and, now I will take the cap off a check it.

Thanks
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Old 09-03-2010, 06:53 PM
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Re: Sealing Gas Tanks

Quote:
Use a Gatorade bottle. I am currently using the 20oz. Wide mouth cap. The plastic used on the Gatorade bottles is nice and thick.
Yep, that was covered in the Soda bottle thread. It was his new product announcement at Joe Nall. There are some pics about 10 pages back in the thread.

Pretty much everything you'r going to talk about has been covered in the Soda Bottle thread. Even the "does gas come to the front of the tank in a dive" argument. Watch the video, it is great.
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Old 09-03-2010, 07:29 PM
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Re: Sealing Gas Tanks

Went to their website and the cost is $25.00. Thought that was a little steep. But hey if it works that easy.---Smitty
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Old 09-03-2010, 08:16 PM
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Re: Sealing Gas Tanks

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Originally Posted by Harold Smith View Post
Went to their website and the cost is $25.00. Thought that was a little steep. But hey if it works that easy.---Smitty
Went on the site also but, did not see a Gatorade size cap. Well, I guess I have to work on that plane again. I had a Fiji bottle originally in it (30% DLE55) but, it was a 12oz size. I had maiden the plane and, flying arround less that 1/2 throttle for about 5 to 6 minutes, landed the plane to check things out and, only had just over 1/4 tank of fuel remaining. Decided to switch to a larger bottle and, that's when I found out that the Gatorade 20oz bottle will be the greatest one to use. I guess I was wrong again. Is there a 20oz Fiji bottle?
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Old 09-04-2010, 02:55 AM
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Re: Sealing Gas Tanks

Like you I did not see the gatorade cap on the website, But my hobby shop had a couple of them there. Guess maybe they have not updated their site.--Smitty
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