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<blockquote data-quote="Doxquzme" data-source="post: 8874994" data-attributes="member: 689267">I beg to differ...Been doing this for 40 years.&nbsp; I worked in a bike shop for years did tons of braze joining, yes, welding. Heat is heat and when it comes to soldering, having to wait a millennium to heat a 1/0 - 4 gauge wire that never really heated completely through before the large wire dissipates the heat and cools is more detrimental and produces poorer welds (yes welds as that IS what you are doing) than heating with a MAPP gas torch. MAPP gas torches can be used in combination with oxygen for heating, soldering, brazing, and welding because of their high flame temperature.You cannot beat gas heat for even thorough heating of large wire.&nbsp; We&#039;re not talking about using it on 10-22 gauge wire, that would be silly. But for anything in the 4 or larger, gas is king. You simply cannot get the wire hot enough, quick enough and maintain heat ( not talking professional equipment here) that even if it is&nbsp; coated in flux, it will flow adequately.If you burn your weld,with an iron or a torch, the issue is technique, not the tool.</blockquote>

[QUOTE="Doxquzme, post: 8874994, member: 689267"] I beg to differ... Been doing this for 40 years. I worked in a bike shop for years did tons of braze joining, yes, welding. Heat is heat and when it comes to soldering, having to wait a millennium to heat a 1/0 - 4 gauge wire that never really heated completely through before the large wire dissipates the heat and cools is more detrimental and produces poorer welds (yes welds as that IS what you are doing) than heating with a MAPP gas torch. MAPP gas torches can be used in combination with oxygen for heating, soldering, brazing, and welding because of their high flame temperature. You cannot beat gas heat for even thorough heating of large wire. We're not talking about using it on 10-22 gauge wire, that would be silly. But for anything in the 4 or larger, gas is king. You simply cannot get the wire hot enough, quick enough and maintain heat ( not talking professional equipment here) that even if it is coated in flux, it will flow adequately. If you burn your weld,with an iron or a torch, the issue is technique, not the tool. [/QUOTE]

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