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I am really impressed with how well this citric acid works as a pickling solution for cleaning up parts that have been silver soldered together. I had tried mixtures of vinegar and hydrogen peroxide before (as recommended by somebody on one of the forums) but it didn't seem to be very effective. Now I'm wondering about something else--I see that builders of model steam engines don't seen to use flux on their parts which they are silver soldering together. Instead they soak the items being soldered in a pickling solution before they silver solder them, and don't appear to be using any flux. I have always used flux on the parts I am going to silver solder. Who can shed a bit of light on this subject?
Brian,The biggest problem with the soldering/brazing job is that all the heat was being absorbed into the piece of bar stock.You would have had an easier time cutting the trunk free and soldering it like that.To do more machining you could have turned a recess into the end of a piece of stock that matched the trunk flange and clamped it with a couple of screws.gbritnell
So two bases made. Are you going to build a pair like Jo usually does? Or make 3...?
Quote from: crueby on September 16, 2017, 09:02:57 PMSo two bases made. Are you going to build a pair like Jo usually does? Or make 3...?Chris--Not really sure what you mean here. Those soldered assemblies are not bases. They both fit on a common base, which I haven't made yet.