Kevin K Posted October 22, 2014 Share Posted October 22, 2014 The hammer in question is a Chambersburg steam hammer. Was converted to air, but the compressor is gone now. Anyone have a ballpark guess at the size (hp) rotary screw compressor that would be needed to run it? I'm assuming it would also need to have a large storage tank plumbed in. Thanks Quote Link to comment Share on other sites More sharing options...
SJS Posted October 22, 2014 Share Posted October 22, 2014 Grant Sarver's rule of thumb was 25 CFM per 100# of the tup.... Yah I would think you would need at least a 500-1000 gallon air receiver, and 3" lines and regulator... urgh unless you can find them on salvage that's gonna hurt. But definitely a fun toy, does it have the treadle, or do you have to have a driver? Quote Link to comment Share on other sites More sharing options...
Jim Kehler Posted October 22, 2014 Share Posted October 22, 2014 I was told by Don Hawley 20 cfm per 100 lbs of tup, should be enough especially if you're in that size range. In my experience you don't need that big of a receiver, can actually create a lag in your system if your compressor is the right size. Quote Link to comment Share on other sites More sharing options...
Kevin K Posted October 25, 2014 Author Share Posted October 25, 2014 Thanks for the info. Looks like at least a 150HP screw compressor then. They had a receiver that looked like it was around 1000 gallons, but it was scrapped... There were a couple of other hammers plumbed to it, so it may have been sized to allow more than one to run simultaneously. This hammer is set up for a driver. Quote Link to comment Share on other sites More sharing options...
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