If you get the tag too hot you might ruin it, This is why I stated using a big chunk of metal…I feel you will not be able to use a torch a you cant heat that big of a tag evenly at one time. Once the iron is heated completely to the correct temp, 370 degrees for 50/50 solder, the iron is placed on the tag, that has been prepped ahead of time and within a very short time the heat transfer though the tag melt the solder and drop flat onto the tank… hell the near perfect iron would be just that, an old iron from way back in the day. It already has a handle to lift it back up.
The temp is critical as the melting point of solder is about 370 degrees so in order for this to work the iron would probably need to be around 400 or so..going to need a good thermometer to check that. trying to get the entire tag to hold the correct temp with a torch would be a serious challenge.
I put that aside for now to give it more thought.
Moved on to polishing the leg and gearcase and prop. Spring inside prop was broken, Looks like it was welded once, and re broke. Ill be on the lookout for a replacement.
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