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Natural Gas or Propane or water?


#1

Hi Jim and everyone,
Question ? What can you tell me about “water” Tourches ? I have a
Portoscap Hydro tourch… Bought it seven or eight years ago From a
friend,I never used it ( nor did he )., Not sure ofwether I should use
it or sell it…Any advise?
Thanks cj

Jim Simmons wrote:Hi everyone-- Just thought I’d play the devil here :slight_smile: Has anyone
considered that according to OSHA, bottled fuel gases and oxidizers must
be separated by 25 feet in permanent installations, even for storage with
the caps on. That is why we use water torches here for gold and silver
soldering

 Jim Simmons, Production Engineer
 Medic Alert

______________________________ Reply Separator _________________________________
Subject: Natural Gas or Propane?
Author: caffree@aztec.asu.edu (SUSAN B. CARD) at Internet
Date: 10/11/96 11:48

Hi All: Since this message hasn’t gotten too long yet, I will tag onto
it. What advantage would there be to soldering with natural gas/oxygen
as opposed to propane/oxygen? Also, someone mentioned they were working
in separate rooms, i.e., (I assumed) one for filing, another soldering.
Was that for safety reasons?

Susan

=

Another thing that should be mentioned if anyone new to goldsmithing is
following this thread is not to heat the solder any longer than necessary to
do the job properly. Overheating the solder WILL burn it up, leaving pits
also!

                   Richard Laspada

I might add that a problem I have in my silver work with pitting in solder
seams comes from many soldering operations with hard solder. I think I’ll
go back to using hard and medium again being more careful not to get too
hot…Dave

Art Jewelry for Conscious People
http://www.opendoor.com/stephensdesign/crystalguy.html

orchid@ganoksin.com

orchid@ganoksin.com

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bigggggg noses…

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#2

Hi Jim and everyone,
Question ? What can you tell me about “water” Tourches ? I have a
Portoscap Hydro tourch… Bought it seven or eight years ago From a
friend,I never used it ( nor did he )., Not sure ofwether I should use
it or sell it…Any advise?

I’ve been using natural gas and oxygen for the lsat coupla years. When I
served my apprenticeship, I wa trained on it. Over the years I’ve used
propane/O. Just about the same as NG. Acetylene/O. A little hotter…a lot
dirtier. And in the mistaken belief that we needed to outwit the fire
marshal a water torch. Inressa watertorch. A “four torch unit”. It was a
remarkable unit. If we chose to not use the flux, we got an incredibly
oxidizing and ferociously hot tiny little flame. It wasn’t really too good
for casting. Okay for repairs and modelmaking. Broke down in about six
weeks. Hard to believe that we were so disgusted with it that we walked it
around to the dumpster and took our chances with the fire marshal.

Bruce D. Holmgrain
E-mail: Manmountaindense@Knight-Hub.com
WWW: http://www.knight-hub.com/manmtndense/bhh3.htm
Snail Mail: POB 7972, McLean, VA 22106