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Old March 2nd 07, 03:33 AM posted to rec.aviation.homebuilt
cavelamb himself
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Posts: 128
Default Sealant for polyethylene fuel tank?

wrote:
On Mar 1, 12:55 am, "Rob Turk" wrote:

I'm looking for a sealant or kit to seal brass NPT inserts into a
polyethylene tank. This is a Kitfox header tank that has developed a leak at
one of the inserts. I'm probably going to use Mogas that has ethanol
additives. Any hints, tips, thoughts?

Thanks,
Rob


Polyethylene is pretty hard to glue anything to.


LEAF has several sizes of rubber "plugs" that a barbed brass fitting
can fit into. Drill a hole, press in the rubber plug, and poke the
fitting into that.

IIRC, I used 1/4" on my plane, but I think they have a 3/8" also.

Other than that?

New Tank?

Richard