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08-11-2010 07:43 PM  7 years agoPost 1
frebou

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Montreal / Canada

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Hi,

I have an RJX Xtreme50 nitro and went to fly it for the first time this year (yeah... I know, it's bad!). Under pressure, fuel is "slowly" spitting from the fuel nipple on the tank.

Back at home, I tested it on compressed air and put a bit of soap around the nipple and bubles are forming around it. It seems in very good shape but maybe the rubber is getting old and I should simply replace it...

Being in canada, my "local vendor" is directly from manufcaturer but I can't find the part number on their site... anybody can help?

BEAM - Beautifully Engineered Action Machine

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08-12-2010 02:58 AM  7 years agoPost 2
frebou

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Montreal / Canada

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Just for the purpose of keeping this thread full of information, I had a flash later tonight and remembered that the X50 came with a header tank that I never installed, so I took a look and it is the exact same grommet

Did a quick test and the tank is still leaking under pressure. So either I'm putting too much pressure or the tank itself needs a replacement. I ordered a new one and will let you know

BEAM - Beautifully Engineered Action Machine

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08-12-2010 12:30 PM  7 years agoPost 3
Nasscar][

rrVeteran

Delaware

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I had one of the V1 Xtreme 50 series kits with the same tank leakage that your are experiencing.

My leakage started when I replaced the tank tubing trying to narrow down an engine leaning issue that I was experiencing at the time. (a few bad bearing caused major fuel foaming, this caused my vibration and enging leaning when hovering)

Anyway, from my experience when I removed the nipple holding the fuel tubing I could never stop the leak.

I had to buy a new tank.

Hope this helps.

Nas,

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08-12-2010 02:41 PM  7 years agoPost 4
Wise

rrNovice

Hudiksvall - Sweden

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I had the same leakage in my rjx header tank. I simply put a piece of shrink tubing around the "neck" on the nipple that connect to the grommet. This makes the neck wider and a more tight fit in the grommet. No leak any more!

//Henrik

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08-12-2010 05:44 PM  7 years agoPost 5
frebou

rrKey Veteran

Montreal / Canada

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thanks for the feedback guys, it's really appreciated! I've ordered the new tank and will see...
I had the same leakage in my rjx header tank. I simply put a piece of shrink tubing around the "neck" on the nipple that connect to the grommet. This makes the neck wider and a more tight fit in the grommet. No leak any more
nice idea... I was thinking about making the "plug" bigger so it would fit more tighly... you know, with time stuff usually gets slacker

thanks for the tip, I'll try it right away!

BEAM - Beautifully Engineered Action Machine

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08-30-2010 03:06 AM  7 years agoPost 6
steve1157

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vancouver

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Same problem here , I bought a thunder tiger header tank for the extra grommet and clunk line. I took the grommet out and put a tiny bit of blue grease around the sealing areas on the grommet goes together easier and its really air tight now . I put a couple clean hoses on the nipples and tried blowing into the tank , I cant get it to leak air so hopefully when I go fly next it wont be leaking .

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