Tree et al:
I use MAPP gas (methylacetylenepropadiene) to silver solder radial wires to
copper strap and to make splices between wires. All i use to clean the
connection is a piece of steel wool, no flux. The heat from the MAPP gas will
further burn away any oxidation on the copper and get the silver solder to
flow
well. In the radio business we also used oxygen and acteylene as well, but
MAPP gas is cheaper and easier to haul around for ham radio purposes.
Once the joint is made it is virtually indestructible from weather, etc.
73................de Goose, W8AV
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