David is right about the anvil, the heavier the better.
Do you have an in at the RR? If you can get an axle it'll be exactly what you need. A flat or gondola car axle is typically about 9 7/8" dia medium C steel, maybe 4140.
I'd planned on welding a three section pattern to build a 100lb+ self contained type hammer but China has virtually all the scrap around here under single buyer contracts so we don't even get to look anymore.
do you have Google Sketchup loaded? We can swap drawings so you can scrounge more effectively.
Frosty




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