[TheForge] cutting propane cylinders

[Ralph Sproul]

Greg, I've talked to many welders that have been doing tank repairs for
years.  They either run an air hose in the tank to up the air ratio to the
point it won't ignite, run CO2 so it won't ignite, and thirdly exhaust gas
to purge the tank.

A few fellows would mention the fill with water thing.......but then when
finding out you don't have to wrestle a full tank by purging the tank - they
have usually gone to the other three methods.   I like the compressed air
hose option the least of the three.......but a good friend that's in his
early 60's has been doing it for 40 years this way(he does however full
drain and let set a week before doing this method).  I find it hard to argue
with success.

Ralph
----- Original Message -----
From: "greg" <wglynn at datasync.com>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Wednesday, March 30, 2005 4:55 AM
Subject: Re: [TheForge] cutting propane cylinders


> Some thirty years ago an old guy told me his answer to welding up
> leaky gasoline tanks was to run a hose from the exhaust of his truck
> into the tank. He'd let it run for a while and displace the air in the
tank
> with once burnt air. Saw him a few years back, he still hadn't blown
> any up. What you think?
> greg
> ----- Original Message -----
> From: "Gladish Family" <gladish at cnw.com>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Tuesday, March 29, 2005 11:48 AM
> Subject: Re: [TheForge] cutting propane cylinders
>
>
> > Only just after washing it.
> > I figure if the candle is suicide, then so is the hacksaw (sawzall),
> > since it throws sparks.
> > If I let the candle burn down and out, then the O2 is exhausted and the
> > I have a neutral atmosphere inside.
> > AG.
> >
> > Bruce Freeman wrote:
> >
> >>Would you burn a candle in an old gasoline tank?  Sounds like attempted
> >>suicide to me.
> >>
> >>The reason for filling a tank with water is to displace the air (which
> >>may contain an explosive concentration of fuel) and to cool any sparks
> >>that might otherwise occur.
> >>
> >>Bruce
> >>NJ
> >>
> >>
> >
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