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  #21  
Old 04-14-2016, 08:57 AM
kamikaze kamikaze is offline
 
Join Date: Jun 2014
Location: Ottawa, ON, Canada
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Quote:
Originally Posted by wirejock View Post
How about a personal wrist strap ground?
In our data centers, we had to wear wrist ground straps. They have a coiled wire with an aligator clip. Seems like a good way to keep your body at the same ground potential.
That'll work, especially if you attach the strap to the same structure as everything else ...

Thanks for this thread BTW, I had no idea flowing liquids could cause static!
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  #22  
Old 04-16-2016, 02:20 PM
RV9A Bill RV9A Bill is offline
 
Join Date: Aug 2008
Location: Lawton, OK
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Default Fire danger

Didn't see it specifically mentioned, but everyone probably knows that it is the gasoline vapors which are most dangerous.
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  #23  
Old 04-22-2016, 07:34 PM
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jjconstant jjconstant is offline
 
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Location: Oakland CA
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Thanks everyone and Dan especially. Next trip to the hangar I'll make the funnel mods and clip it directly to the hangar!
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  #24  
Old 04-22-2016, 10:04 PM
scsmith scsmith is offline
 
Join Date: Jan 2008
Location: Ashland, OR
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Default cars?

Isn't it odd that we don't ground cars as we fuel them?

I have heard of a few cases of static-discharge from a person to the car igniting the vapor cloud surrounding a car while being fueled on a very still day with the pump in a fairly sheltered area. But incredibly rare.
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  #25  
Old 04-22-2016, 10:09 PM
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airguy airguy is offline
 
Join Date: Oct 2006
Location: Garden City, Tx
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Quote:
Originally Posted by scsmith View Post
Isn't it odd that we don't ground cars as we fuel them?

I have heard of a few cases of static-discharge from a person to the car igniting the vapor cloud surrounding a car while being fueled on a very still day with the pump in a fairly sheltered area. But incredibly rare.
SSShhhhh!! We blame those on cell phones.
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  #26  
Old 04-23-2016, 12:19 AM
ao.frog ao.frog is offline
 
Join Date: Sep 2006
Location: Manstad, Norway
Posts: 866
Default End of fuel-hose into the fuel

When I refuel, (after installing the grounding wires ofcourse) I put the end of the refueling nozzle down INTO the fuel so it's below the surface of the fuel.

That way, the fuel flowing out of the nozzle, has no contact with air on it's way into the fueltank.

This ofcourse only works when there's enough fuel in the tank before starting to refuel.

If there's not enough fuel, I refuel as normal until the fuel-level increases and then the end of the fuelnozzle can be put below the fuel-level.

I was taught this technique by an old IP a long time ago.

Can anyone tell me if this is a good idea? It makes sense to me...?
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  #27  
Old 04-23-2016, 05:38 AM
Kyle Boatright Kyle Boatright is offline
 
Join Date: Aug 2005
Location: Atlanta, GA
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Quote:
Originally Posted by scsmith View Post
Isn't it odd that we don't ground cars as we fuel them?

I have heard of a few cases of static-discharge from a person to the car igniting the vapor cloud surrounding a car while being fueled on a very still day with the pump in a fairly sheltered area. But incredibly rare.
The handle/nozzle and hose on automotive fuel pumps are internally grounded and ground the automobile when they contact the fuel filler receptacle.
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  #28  
Old 04-23-2016, 02:26 PM
simpkinsona simpkinsona is offline
 
Join Date: Dec 2010
Location: Vacaville, CA
Posts: 167
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Quote:
Originally Posted by Kyle Boatright View Post
The handle/nozzle and hose on automotive fuel pumps are internally grounded and ground the automobile when they contact the fuel filler receptacle.
This is of course true, however there could still be a big spark as the nozzle approaches filler receptacle.
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