Quote:
Originally Posted by EricVanWyk
Big copper wire is a pain to solder, as it is essentially a giant heat sink. The secret is to get the entire thing hot. I'd recommend baking it in the toaster or microwave until it gets good and crispy, and then quickly use the iron to get it the rest of the way there.
As fair warning, you are not using the right tool for the job. I use a 500 Watt Iron for things easier than this.
I would try wrapping the joint with some bare wire to give your solder something to stick to. Might give it a slightly better chance.
Good luck, you'll need it.
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Eric.... I'm going to pretend I didn't hear you suggest that this impressionable student ruin his parents' microwave by nuking a single piece of copper wire until hot. There's a reason they say not to do these things and trying to microwave a metal object long enough to significantly preheat it will likely greatly shorten the life of your magnetron.