[TheForge] Oxy/Propane reprise

[Peter Fels & Phoebe Palmer]

Ben:
There are air/propane torches used industrially for hard soldering as i 
recall.
I might add that quick-take-a-part hose connections allow you to easily 
swap out different torches and fuel gasses.

Ben Barrett wrote:
> Wayne, I think you will be pleased.  I have a propane-specific gas
> saver, which is dandy,
> but a friend has a fuel saver built for acetylene which he uses on
> propane with no problems.
> I rigged up a simple foot-operated lever on the floor to switch my
> torch on when it is positioned in the vise (above and in-line with the
> pilot),
> and I got a cheap harbor freight torch which happens to be compatible
> with victor tips (I use a #0 and #2 propane-specific cutting tips,
> which were about $22 each at my local welding supply IIRC).  I did
> switch the hoses also, after multiple warnings that the cheaper hose
> made for acetylene will break down over time when exposed to propane,
> and develop slow leaks (hopefully they never spring for y'all who use
> the lesser grade!).  I have no trouble lighting the torch, but have
> not yet experimented with a brazing head (or a rosebud for that
> matter).
> 
> The combination of a foot-controlled torch and a small fountain pump
> in my quench tank (supplying a stream of water above it) make quick
> and easy work of all sorts of small spot-heating and bending/shaping
> work.  There are times I want a jeweler-sized torch, and times I want
> much more heat, but I have been thinking I wished I had this torch
> setup before I even had a forge built!
> 
> My only suggestion is to use the largest size oxy bottles you can
> handle, so you get a better price and don't have to swap them as
> often.  I'm curious about running a torch-like propane burner with
> forced air (compressor, hair dryer, etc) if it could maintain a flame
> in open air... anyone tried that sort of thing?  I know my propane
> forge can get hot enough to weld in, but I'm wondering what it takes
> to maintain a useful propane-air flame outside of the forge
> atmosphere/enclosure.  Just a matter of mixing the syrupy fuel with
> air, right?  Time to experiment some more, I suppose!
> 
> Best wishes,
> 
> Ben
> 
> 
> On Fri, Nov 6, 2009 at 4:58 PM, Peter Fels & Phoebe Palmer
> <artgawk at thegrid.net> wrote:
>> Mine does.
>>
>> Wayne Ackman wrote:
>>> I have been thinking of getting a propane setup as the last job I did --
>>> curving the spiral on an oversize rail used a lot of gas.  But I was
>>> wondering,  if it is harder to light... will it work with a gas saver.
>>> I hang mine and it turns off.  and re-lights quickly as it passes the
>>> flame for the next use.  Will that work with propane?
>>>
>>>
>>> Ron Childers wrote:
>>>> I bought a #2 propane adaptor tip for about $13 and it does a good job
>>>> heating or cutting railroad rail. The small Victor seems to work fine on
>>>> small stuff as-is. Trickier to light than acetylene....
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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