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Geoff Keyes

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Geoff Keyes last won the day on August 27

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  1. Appears to be in very nice shape. There should be a makers mark on the side. What are they asking and have you done a bounce test? Geoff
  2. Not to hijack the thread, but I've been using this for about 7 years as my EDC. Just recently I was cutting hot tape in the pasture and prying staples out of lumber. It holds up just fine, use the heck out of them.
  3. Most of the Grizzly motors have brushes. I would at least check that. Rather than a rebuild, you might look a whole new motor from Grizzly. Another option, if you have the fab skills, would be to take the belt tower and use that as the core of a homebrew grinder. Then any motor would do. Geoff
  4. This is what I was able to find on short notice https://en.wikipedia.org/wiki/Holman_Brothers. It's not much. Whatever it is, is either steam or compressed air driven, and a rock crusher makes sense. You could probably re-work it into a PH, it will depend on if the cylinder works at all. OTOH, you might be able to build some sort of home brew hammer in the frame. I'll be interested to see where you go with this. Geoff
  5. I like the idea of a Da Vinci hammer more than I like the implementations I've seen. They tend to be low power unless you make them huge. That said, any powered hammer is better than nothing. A big anvil will help, but some sort of treadle hammer with some whip in the arms will be way more bang for your buck. https://www.iforgeiron.com/topic/17543-treadle-hammer-you39re-probably-not-surprised-i-have-my-own-ideas/
  6. That's a good idea. The scabbard will get some design elements that will be different, partly since I'm having someone else do it, and I've giving him only the most basic direction. I guess it's back to the forge for me. Oh, NO, Mister Wolf, don't throw me in the briar patch! Geoff
  7. I'm working on a piece that has a bunch of bits. It's a conceptual piece, sort of the sidearm of a desert wanderer. The scabbard will have several pockets and other stuff. The main blade is a big camp knife/sword with a knuckle bow and a mid 19th century saber style mounts. Some of this stuff is going to go on the scabbard (side knife and fork and the fire steel), the rest may go in a trousse, in which case there are a couple of other things to be made: a larger knife, a skewer or two, toasting fork, maybe some copper cups or dishes, maybe a set of hygiene tools. This has been a chal
  8. What's left of the mounts makes me think WWII Japanese military issue. The single square hole through the tsuba should have been for a scabbard latch. It's pretty rough, I would not think that that there is much to recover. Steve Shimanek is the pretty knowledgeable on this stuff, hopefully he will weigh in . Geoff
  9. This was posted in a local to me metal working group. "The grinding literature advises against using diamond wheels to grind carbon steel. The reasoning provided is the diamond pulls the carbon out of the steel solution. CBN is the recommended hard abrasive for carbon steel. Diamond for carbide. " Has anyone ever seen this claim? Is there any truth to it? Geoff
  10. I do have to be careful. You don't need full power for everything. You can squash the hell out of something without meaning to and ruin what you've done. I'm still learning how to draw tangs and set ricassos and things like that. Geoff
  11. From what I can see in the videos, all it may have is a short little tang, 3 inches maybe. Just enough to get a ferrule around and a couple of pins. Because the grip is really a pinch grip, you done need any more. In fact, the handle may be over long, given the use. I think modern makers (myself included) over think tangs. We have plenty of material to work with and we use a whole bunch in the tang where it's not really needed. I tested this idea by taking a finished but unhandled blade and bolting it into a 3 foot handle. You can see my tests on my Youtube channel (5elementsforge).
  12. I used a single stage pump on my build. When I was building this press I used some ideas I got from Tom Ferry. He used 2, 5 hp farm duty motors, each driving a pump with an output of about 5 gpm. I looked at the cost of those parts (2 motors, 2 pumps) and discovered that a phase converter was about the same money. I have a 30hp phase converter driving a 15hp motor pushing 12gpm. The ram travel is about 3" a second (as observed). The only thing that slows it down is cold steel. I also went with a long throw cylinder, so I've got about 14" of space between the dies. I almost never us
  13. I'm a bit confused, it may be a terminology issue. I think of a through tang as one that is exposed only on the butt end, if at all. Are you talking about a full tang? Some pictures would help. Geoff
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