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Re: Flash Back protectors

To: kturk@ala.net
Subject: Re: Flash Back protectors
From: Dave Dahlgren <ddahlgren@snet.net>
Date: Mon, 18 Dec 2000 13:04:31 -0500
did ya read the original message i sent completely?? LOL
Dave

Keith Turk wrote:
> 
> Has everyone got these things on their gas welding rigs?  They are dirt
> cheap and prevent you from killing yourself if there is a flash back in the
> hoses... Bottles don't blow up with these!!!  We had a fella kill himself
> here in our town ... so now all of us have them...
> 
> interesting you should bring this whole thing up again... Brad was over
> checking out the new Heater Ducting... and we were chatting about our Gas
> rigs... how much room they take up for as little as they get used.... but
> when your in Need of HEAT there is no better way then a Gas rig... can't
> imagine installing a Starter ring gear on a flywheel without one...
> 
> Keith
> ----------
> > From: FastmetalBDF@aol.com
> > To: ddahlgren@snet.net; lsr_man@yahoo.com
> > Cc: jdincau@qnet.com; land-speed@autox.team.net
> > Subject: Re: Freeze/Welch plugs
> > Date: Monday, December 18, 2000 11:46 AM
> >
> >      Dave : Wow !  I never even gave a thought to welding ( oxy -
> acetylene )
> > WITHOUT  the regulators ...... I guess you proved it could be done ......
> > with the resultant  NEGATIVE  results !   I did, however, have a somewhat
> 
> > similar experience, back in the early 60s ...... I had to gas weld some
> item
> > for one of the four 55 / 56 / 57 Chevs I was running at that time, and,
> after
> > making sure the regulator screws on both tanks were backed out ( a VERY
> > WISE idea ! ),  I  slowly opened the valve on the oxygen cylinder, and
> ......
> > there was a  DEAFENING  roaring sound,  and my oxygen hose blew
> > completely apart ...... which I noticed only after I had jumped backward
> > about six or seven feet ( never did figure out how I did that .......
> must be
> > the adrenaline thing ).  There was no fire or smoke, but my poor mother
> > came running out into the garage, yelling frantically, and was as much
> > or more scared as I was ...... I couldn't really hear her, and my ears
> were
> > ringing and my hearing very poor for about two days afterward !    After
> > we both calmed down, and she again voiced her outspoken opinion on
> > my hobby of altering and racing cars,  I  ventured over to the now empty
> > oxygen cylinder, shut the valve, and when I turned in the regulator
> screw,
> > there was no resistance at all ...... the ( rubber ? ) or fabric
> diaphragm in
> > the regulator had ruptured as it received the pressure from the cylinder,
> > and this created all the excitement .  The only loss besides two days of
> > my hearing ( and maybe five years scared off of my life ! ) was the
> regulator
> > and about 25 feet of the double "siamese" oxy - acetylene hose ( the
> > "good stuff " ), and I had already gotten eight years service from this
> outfit
> > ...... it had been my 20th birthday present !     I never had that
> regulator
> > rebuilt ..... got brand new ones, which have served me well, into this
> year .
> >       The long term result is I remember that whole deal  EVERY  TIME
> > I start to turn that regulator screw in  ........ for 37 years since !
> >                    Bruce ..... a few miles west of you

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