[Jewelry making - Article 00970] - Re: [Orchid] Using MAPP gas for silver work?

[David J McIntyre]

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Noel,

    Jim made my point on TEMPERATURE vs QUANTITY in different words,
    pointing out that overheating leads to burning up flux, more
    firescale and melting the work-piece. 

    It doesn't take a lot of air volume to supply our tiny torches and,
    in my case a Graver-Max. My compressor is in the garage, about 60
    feet of 1/4 inch air hose from the shop. I have a relay switched
    outlet for it with the switch in the wall beside my bench. But there
    are lots of ways to skin this cat (God help be if Sparkie hears me
    say that), such as a portable air tank, a thickly insulated box for
    the compressor, etc. 

Dr. Mac

 
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