[modeleng] Torches & Boilers
- From: Harry Wade <hww@xxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Sun, 08 Jan 2006 20:59:49 -0600
At 06:26 PM 1/8/06 -0800, you wrote:
>O.K.-- What size Propane torch/torch head is recommended for Silver
Soldering/Brazing a seamless Copper tube, app. 5 inches in diameter with a
wall thickness of app. .120"?
Al,
Unless I have missed something, or the mfgs are hiding from me, a
good propane system with a sufficient delivery rate and head size, such as
Sieverts with their 100,000+btu nozzels, is not available. Lacking as many
of us do the money to buy such a Sievert setup for a one-time job, the
best, quickest, most cost-effective thing I think you could use is a
Weedburner. I know this may sound completely batty but I'm convinced of
its effectiveness when nothing else is within reach. Do I have to come up
there and prove it to you? The only drawback I can anticipate is that it's
capable of producing a prodigious flame so some care and protective
clothing will probably be advisable. Can you send me a photo?
An example of the type of Sievert propane system which we do not have
available (so far as I know) in the US is at
<http://www.sievert.se/us/pro86_88.htm#Soft%20flame%20burner%20no.
Look at nozzels #2942, 2943, and 2944. Terrific for boiler work.
Regards,
Harry
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