REFLECTOR: How to fuel up and live to tell about it.

Scott Derrick scott at tnstaafl.net
Fri Feb 3 09:15:46 CST 2012


As long as the filler nozzle is submerged in the fuel that will work. 
And probably better than any other.

Scott


-------- Original Message --------
Subject: Re: REFLECTOR: How to fuel up and live to tell about it.
From: sbjknox <sbjknox at earthlink.net>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Date: 02/02/2012 08:08 PM

> Here is a much simpler method that takes care of all situations.... just
> clamp the chain to whatever you stick into the filler hole.
>
> Sid Knox
> Oklahoma
>
> Velocity 173 RG N199RS
> Starduster N666SK
> KR2 N24TC
> W7QJQ
>
> *****************************************************************************
>
>
> Larry, I'm also concerned about static on the surface of the fuel itself
> and the additional frictional static charge created by the falling fuel.
> Your 2 cents on this list summation would be appreciated:
>
> Fueling a composite airplane...
>
> Ground pump/truck Airplane onto exhaust or engine.
> Put antistatic mat around filler cap.
> Leave the gas cap on until you have the fuel filler nozzle in your other
> hand.
> Use free hand to open the gas cap. This puts the nozzle, you and the gas
> cap/filler ring all at ground potential before combustible vapor is
> available.
> Flowing gas produces additional static electricity so make sure the
> nozzle remains:
> in contact with the filler ring AND
> submersed in fuel during the fueling process if possible.
> Replace cap and latch before going to the next tank.
> Repeat.
> Unground airplane.
>
> Karl
> On Jan 31, 2012, at 2:32 PM, reflector-request at tvbf.org wrote:
>>
>> All.
>>
>> It’s winter and the time for static electricity. It's also the time
>> for fueling accidents. Last week in Kansas City someone totaled his
>> Chevy pickup at the gas pump to say nothing of what he did to the
>> canopy he was parked under. This was all caught in the station
>> surveillance camera. The gentleman was sitting in his truck with the
>> door open and the gas hose filling the tank. He then slid off the
>> seat, turning himself into a 40 thousand volt time bomb. He walked
>> back and grabbed the fill nozzle. FOOM! Since fill nozzles have to be
>> grounded by law and it was in contact with the all metal truck, this
>> was not a grounding problem of the vehicle. If this guy had of touched
>> anything metal as he slid of the seat this would not have happened.
>>
>> You can ground the metal stuff on a Velocity but you cannot, no matter
>> how hard you try, ground your fuel tank wings or the gas in the tank
>> because they are all non-conductors. The metal ring for the fuel cap
>> is metal and can have a static charge if it is not wired to the ground
>> of the plane and you attach the ground clip like you're suppose to.
>>
>> If you follow this technique it won't matter if it's grounded or not.
>> Leave the gas cap in place until the plane is grounded and you have
>> the fuel nozzle in your hand Now use your free hand to open the gas
>> cap. This will guarantee that the nozzle, you and the gas cap/filler
>> ring are all at ground potential before combustible vapor is
>> available. Flowing gas will produce static electricity so make sure
>> the nozzle remains in contact with the ring during fueling. Replace
>> and latch the cap before going to the next tank. Repeat.
>>
>> Larry Coen
>> N136LC
>>
>>
>
>
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