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[quote]QUOTE: You can use a soldering gun as part of resistance soldering system, it will not be a very powerful one, but should be okay for detail parts. One of the many important points is that the highest resistance in the secondary circuit must be the joint. [/quote] We're talking about a Weller 100 watt gun. I'm not looking to do 1/4" brass or anything. I've used a 12 volt 60 watt (5A) tranformer to try to solder turnouts together. The thing doesn't generate enough heat to solder unless the rail is tinned beforehand. Even then I sometimes end up separating the cladding from the board material, and more often than not the breaker trips before I get the joint finished. I'm thinking I should be able to at least solder a turnout together with this transformer-from-a-gun setup.
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