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What do I do if no part of my fule system is grounded?

 
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wingnut



Joined: 11 Jan 2006
Posts: 356

PostPosted: Mon Apr 03, 2006 9:54 am    Post subject: What do I do if no part of my fule system is grounded? Reply with quote

Here's a slightly different twist to all the recent activity on safe refueling. I didn't build my airplane. I don't know if the previous owner did anything at all to facilitate a proper ground of the fuel tank or the filler neck to any other part of the plane. Someone wrote that this is not addressed in the builder’s manual so I'm going to assume that it's a stock setup (I'll verify this with an ohm meter tonight). If this is the case, do I just ground the metal funnel before I start fueling?

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smokey_bear_40220(at)yaho
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PostPosted: Tue Apr 04, 2006 9:43 pm    Post subject: What do I do if no part of my fule system is grounded? Reply with quote

It is actually recommended to have some resistance
from the tank to ground so that the electricity can
"drain" rather than arc to ground. Some people add a
resister in their tank to ground wire for this reason.

The previous reply about the funnel having resistance
correctly accomplishes that.

I would think that grounding the funnel and touching
the plane somewhere other than the tank neck first, or
to the outside of the neck is better than just popping
it in and pouring fuel.

The point is to get the plane's tank, the funnel, the
fuel and the filler tank to the same electric
potential somewhere other than where fumes are
present.

Kurt S.

--- wingnut <wingnut(at)spamarrest.com> wrote:

Quote:
Here's a slightly different twist to all the recent
activity on safe refueling. I didn't build my
airplane. I don't know if the previous owner did
anything at all to facilitate a proper ground of the
fuel tank or the filler neck to any other part of
the plane. Someone wrote that this is not addressed
in the builders manual so I'm going to assume that
it's a stock setup (I'll verify this with an ohm
meter tonight). If this is the case, do I just
ground the metal funnel before I start fueling?


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wingnut



Joined: 11 Jan 2006
Posts: 356

PostPosted: Wed Apr 05, 2006 5:24 am    Post subject: Re: What do I do if no part of my fule system is grounded? Reply with quote

I found an interesting funnel in the auto store today. It's metal with an integrated, two foot long, articulated metal spout attached to the end. If I have enough fuel in the tank that the spout will touch it when sitting in the filler neck then grounding the funnel should ground out all the fuel in the tank right? Then all I have to do is make sure that the fuel in the gas can has no charge and I should be good to go right?

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