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Geoff Keyes

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Geoff Keyes last won the day on September 26

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  1. I'm glade that worked out for you. Post a picture of your setup, please, as a help to the next guy. g
  2. How is this done? These are very even to have been done free hand. Thanks geoff
  3. Is there anyone here willing to take on a small fab job in the Fairfield County CT area? G
  4. You can try acetone. It will soften GFlex, but it may also affect the CF. Aside from that, I've never successfully removed a handle secured with GFlex. g
  5. I do have a couple of insights from my own build in 2000. You would like the anvil to be a single piece of solid stock. That said, mine is two pieces bolted together (a 12 inch round bolted to a 1" base plate, with an 8 inch round sitting on that with welded tabs and bolts holding it). Mechanically it would be better if it were one piece, but that's what we could salvage. To be honest, it seems to work fine. According to the engineers you would like to have between a 10:1 and a 20:1 ratio of anvil to tup. Concrete is a bad idea, for a couple of reasons. First, it's just
  6. I'm sure that will be fine. I do have two observations (or two more, I guess) That looks like more than 1/12. It will probably work just fine. You may be overthinking this. I would do 2 tests on your setup. I would build a little test enclosure, bricks will be fine, open at both ends. First, take the flare off and see if your burner will work inside the box. Then try it with the flare. If it won't run in either condition, it's time for a redesign. If it works better one way or the other, then you've gotten close. A thing to remember is that burne
  7. It does have a lot of features that would point to a PW, but usually they are boldly marked and I don't see anything. Geoff
  8. This is what I have carried for the last 10 years or so, blade is about 3.5" This one I traded for a custom hat More like 5 inch blade Blacksmith rat tail edc 3 inch blades
  9. I think we need pictures. You may already know more about this style of setup than we do, certainly more than I do. g
  10. Finding used grinders is tough. They haven't existed at the hobby level for very long and so the used units are thin on the ground. 2k is probably on the low end, but you might find a basic unit there. Just so you know, I am not endorsing any one grinder, these are just the ones that come to mind (in no particular order) Wuertz Pheer Amaribrade Black Fox OBM Burr King Coote KMG Bader G
  11. Even if that burner woks properly, I don't think it will ever be enough for that forge. 1) I don't know what the dimensions are (cubic inches) but it looks huge. Unless you plan on forging parts for steam engines, you don't need nearly that much space. 2) Fire brick is a refractory, not an insulator. Fire brick acts as a heat sink (thermal mass) which has to be heated before you can begin to forge and it has to be kept hot while you are forging. A forge like this is a gas hog.. A forge like this is the sort of thing you'd see in a production shop running 24/7. It's not
  12. You may have missed this tip, but most venturi burners don't work well in open air. They need a bit of back pressure to burn properly. Build a small enclosure for it (some bricks in a stack will do) and then try it and see how it works. Venturi burners are all about balance, you need the right amount of air and the right flow of gas. The fact that this is a home build troubles me, not that you can't do it, but if you have something basic wrong, it may never quite work and you could spend a long time trying to tune a burner that is just never going to work. Having said that, I am not t
  13. The exit of the burner (in venturi burners, like yours) tend to burn better if it is in the form of a flare, just slightly wider at the tip. The shape is about the shape of a paper disposable cup. Some makers make them part of the burner tube, but you can form a flare shape in the last little bit of insulation oif the forge. Just to add further to your confusion, there are also blown (fan driven) burner setups. You can heat a case about the size of what you have with a single burner. I use a single fan twin injector common rail system to heat a welding forge about twice the size of yo
  14. There is some very fine work displayed this time around. I can't wait to see what comes! Geoff
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