am"
>>That would be braid dangling inside the tank, wired to electrical
>>ground? It won't do anything during refueling to suppress static
>>charges, since fuel is essentially nonconductive.
>
> It is because fuel has a low conductivity that the braid is required!
> A great deal of the static created in a nonconductive tank is due to
> the turbulence of the non-conductive fluid as it flows down the
> refill pipe.
> The braid bleeds off the charge as the fuel flows around it - the
> close contact between the two is required due to the low conductivity
> of fuel. The main goal is to prevent any sparks from occuring near
> the filling point, where the mixture can be low enough to support
> combustion - the center of the tank has too rich a mixture.
Could be, but the clearest technical discussion (by the SAAA) of the
above wire in a nonconductive pipe that I can find says the transfer of
charge is too slow to accomplish much. FAA by implication concurs.
Regards,
Fred F.
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