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On Sun, 11 Nov 2007 20:13:12 -0800, "Calif Bill"
wrote:


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On Sun, 11 Nov 2007 14:49:26 -0500, Gene Kearns
wrote:

The moment you solder a stranded wire you have created (at that point)
a solid wire and a stress riser... with all of the ensuing
problems.... which are unsatisfactory for a vibrating... whatever...
which surely includes boats.

If you can support the wire you might get away with it, however, a
battery cable end is, by definition under stress at best...
I agree. In addition, if you don't wash all the flux off you will
invite corrosion.
The best connections will also get some silicone grease or similar
sealant and shrink tube which protects the connection and gives some
stiffness to the conductor at the joint

There are non corrosive fluxs.

Non corrosive is a relative term. In the presence of salt water they
are all corrosive to some extent. That is the function, to break the
surface oxidation so the solder can form a clean alloy with the
conductor metal.

The clean alloy is easily susceptible to corrosion.