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Hello, i am a 19 year old model railroader. I have a brass 2-8-2t locomotive, but it has a bent frame near the smokebox, is there any way to repair such a thing? The pilot deck area is bent upwards to one side, giving it a slightly crooked appearance when viewed at eye level from head on, it does not affect the operation and otherwise the engine is fine. I worry that straitening it would weaken the metal and cause a fracture or break in the frame
 

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It depends on the metal. Is it brass, copper, bronze. Hard to tell. If it was mine, I would make a fixture to apply pressure and heat slowly with a very large soldering iron or CAREFULLY with a torch. A fixture will relax pressure when the frame moves. Unlike using hands to bend, think of snapping a twig!
 

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It'll have to be torch or furnace heated...
Completely stripped of all loose parts first.
The heating process will of course jeopardize any solder joints.
 
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