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Re: Europa-List: Static when refueling?

Subject: Re: Europa-List: Static when refueling?
From: James Nelson <europajim@juno.com>
Date: Mon, 12 May 2003 10:36:19

Thanks Fred,  oh great Guru,  :-))
        Your right, but I wanted everything I could get to drain off any
charge.  

Jim Nelson
N15JN


<fillinger@ameritech.net> writes:
> <fillinger@ameritech.net>
> 
> > I plan also on putting a metal braid down the filler opening into 
> the
> > tank and connecting to Graham's aluminum tank outlet fitting. I 
> plan on
> > Alum pipe runs which will ultimately be grounded to the engine 
> ground.
> >
> 
> I don't think that will do anything.  The sloshing of fuel against 
> the 
> sides of nonconductive plastic container can accumulate a static 
> charge 
> on the surface of the plastic - a capacitor.  Fuel is bad enough of 
> a 
> conductor (much worse than water) to function as the dielectric of a 
> 
> capacitor. But enough of a dielectric relative to fuel-air vapor so 
> that 
> a capacitance fuel probe works.  If fuel were enough of a conductor 
> to 
> prevent static buildup during refueling, then the probe wouldn't be 
> just 
> a leaky capacitor, but a shorted one, and it wouldn't work at all!
> 
> Regards,
> Fred F.
> 
> 
>
>
> 
> 
> 
> 
> 
> 




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