<VV> HELP-Clean oil/auto. trans. fluid from concrete

[charles mckinley]

I also grew up in rural Illinois and remember the chain-dragging trucks. 
I was told that was to ground out the static charge that builds up in 
vehicles in dry weather. You know how you get a spark to your hand when 
you get out of your car in the winter time and reach to close the door?
Chuck McKinley
(Whiteside County, Illinois, 1945-51)

On 12/10/2012 07:48 PM, Joel McGregor wrote:
> I wasn't talking about using gasoline in a mop bucket.  You only need enough to dissolve the oil.  I've done it more times than I can count and it has never caused a fire.  If it did it wouldn't have been a big issue.  Concrete isn't all that flammable.  I use naphtha with the same results and I suppose it's safer.  Gasoline is like other things that are flammable.  It has to have the correct mixture with oxygen to be very volatile.  Why do you think electric pumps in fuel tanks don't cause explosions?
> I've watched a car burn to the ground with gasoline running out of the tank.  Lots of fire but no explosion.
> Joel
>
> -----Original Message-----
> From: virtualvairs-bounces at corvair.org [mailto:virtualvairs-bounces at corvair.org] On Behalf Of Ebarr19 at aol.com
>
> Subject: Re: <VV> HELP-Clean oil/auto. trans. fluid from concrete
>
> I grew up on a farm in Illinois and remember fuel trucks that delivered to the farms had chains dragging from the rear of the truck ( I believe to ground  it incase of lightning ) but thought it could be bad if they had a leak.
> Gene Barr
>   
>   
> In a message dated 12/10/2012 5:10:39 P.M. Eastern Standard Time, corvairduval at cox.net writes:
>
> Amazing!
>
> Steel on concrete = sparks.
>
> Sparks +  gasoline vapor = Boom!
>
> Ever see chains draging on the road at  night?
>
> I even get nice sparks cleaning my pizza stone (piece of  unglazed tile) with a hand wire brush.
>
> Frank  DuVal
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