eseemann Posted May 29, 2016 Share Posted May 29, 2016 Good Morning, I have an air cylinder with a 2" OD bore and an 8" stroke that has 1/4 NPT ports. I am aiming for a light duty hammer with a 8-18 pound ram but the more I read about the port size the more I wonder if the 1/4 NPT port will be a problem. I will not have the space for a tire hammer until I get a new garage built and who knows when that will happen. I am looking to build something small-ish like the attached photos. Thank you much Quote Link to comment Share on other sites More sharing options...
Anderson G. Phillips Posted June 2, 2016 Share Posted June 2, 2016 There is a special spot in my heart for tiny hammers. I like the second picture. The new version of the Kinyon, I think, lend itself well to be made in a tiny hammer. As for port size you can’t ever have enough but timing the cycle of the hammer is far more important than having over sized ports. You should be ok, not great but ok. Quote Link to comment Share on other sites More sharing options...
eseemann Posted June 3, 2016 Author Share Posted June 3, 2016 I don't really know how to tune one of these. Can you point me in the direction to learn how? Thanks for the reply by the way. I like small and efficient things as well. I think it is due to being so darn tall. Quote Link to comment Share on other sites More sharing options...
Anderson G. Phillips Posted June 3, 2016 Share Posted June 3, 2016 You wont get it right on the first try, and if you do i want to know how you did it. Tuning = Adjustment. So the more slides and bolt together pieces you can design in the better. I would love to see pictures as you go. Quote Link to comment Share on other sites More sharing options...
eseemann Posted June 3, 2016 Author Share Posted June 3, 2016 You got it, I find bolting then welding lets me make non-permanent errors. Quote Link to comment Share on other sites More sharing options...
Charles R. Stevens Posted June 3, 2016 Share Posted June 3, 2016 Most of the welders I know consider welds as tempuary, they just use a torch and a grinder... Quote Link to comment Share on other sites More sharing options...
eseemann Posted June 3, 2016 Author Share Posted June 3, 2016 I love the meme "My Daddy says if you got to grind your welds to make them look good you a grinder not a welder." By the way, I am looking at Pulleys and I keep seeing Pulley for swamp coolers that are "made of metal" and others that are die cast alloy. Can you use a non-iron/steel pulley on a small power hammer or are you asking for trouble. I have a LARGE oak stump that has been sitting in the garage for over 1 year. I was thinking about cutting a slab (ripping not crosscutting) and making a pulley out of that. Quote Link to comment Share on other sites More sharing options...
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