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I Forge Iron

JHCC

2023 Donor
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Posts posted by JHCC

  1. When you're in the learning stage, it's worthwhile to try out what others have done before reinventing the wheel. Torbjörn and Brent Bailey both use round punches and then drift to shape for a reason: it's much easier to align the drift in an already-punched hole than it is to get the alignment perfect the first time (especially under the power hammer). Also, it's easier to release a round with a quick tap-and-twist if it gets stuck.

  2. Nat, you can certainly use multiple small stacks, but you're going to need more than two.

    The draw of the flue is directly proportional to its cross sectional area, and the general recommendation for this size forge is a flue with a 10"/25cm diameter. Because the area of that circle is about 79 square inches/490 square cm and because a 4"/10cm flue has a cross sectional area of about 13 square inches/79 square cm, you're going to need at least six of them.

  3. I actually tried something very much like that, utterly without success. I suppose a lot depends on the belt itself; I had no luck with the heavy grit and tough adhesive of a 36 grit cubitron belt.

     However, I can report that the blue tape is working pretty well. I did have one belt let go in use, but that was one that had previously been reglued, and I don’t think the adhesive bonded properly to the fabric. 

  4. I’ll have to try the BB thing. 

    So, two things today. First, the director of Safety and Security at the college came over to try out smithing and made a nice bottle opener. 

    IMG_8436.thumb.jpeg.013cbd4bba0bc507d312db12ba39ae15.jpeg

    IMG_8441.thumb.jpeg.012099b19f3f24a48846740a3612d446.jpeg

    And I decided to try out an idea I’d had for stabilizing my fly press. This was to mount a stainless steel sink (donated by a friend who was remodeling their kitchen) under the stand and pack it full of sand.

    IMG_8433.thumb.jpeg.3186a57ddb13a452f2bce687586a5344.jpeg

    IMG_8442.thumb.jpeg.fe04c433e6b8f2f719dfcd12d658a90d.jpeg

    I haven’t done any significant forging with this yet, but it’s a lot more solid than it was before  

    I’ll probably cover this with a shelf for tooling and such, but that’s for another time. 

  5. I read something many years ago about someone visiting a foundry and seeing an old man carefully polishing a bronze church door. After a while, he went up to him and said, “That door looks absolutely perfect. How do you know when it’s done?” The old man replied, “It’s never done. They just come and take it away.”

  6. I created the texture with tools made by heating the ends of some steel rods, hammering them against a file, grinding the outside to shape, and hardening & tempering. 

    IMG_8424.thumb.jpeg.72ff3fbb19d5c787ead72f393e49f722.jpeg

    Here are a few others I made with the same process, although instead of hammering against a file, I hammered them against a rough spot on my shop floor. 

    IMG_7725.thumb.jpeg.9bec2bbc17f469058a4e59af3133199f.jpeg

  7. Anvil/vise combinations like this were made for one very simple purpose: to take advantage of the late 19th century mania for gadgetry in order to sell more tools. You are right; they don't make very good anvils, and I'm not even sure how good they are as vises.

  8. I can't find my jeweler's saw (I think it may be in my old woodworking toolbox in the basement, but I haven't actually used it in over thirty years), so I punched out most of the holes' area with my little Roper Whitney No. 5 Jr and then cleaned things up with a couple of files. 

    image.thumb.png.25ad2feccc01bb040b3bdea44c2a3bc3.png

    I was greatly aided in making the straight sides by using the depth stop. Once that's set to punch holes a specific distance from the edge, all you have to do is punch a bunch of them side-by-side and then go over them again to punch out the bits in between. Punching overlapping holes wasn't a problem with this thickness of brass; certainly much easier than trying to make them with a twist drill.

  9. 14 hours ago, Frosty said:

    The movie with the giant cannon is, "The Pride And The Passion."

    Yeah, I don't think there are many cannons in the Jane Austen canon.

    On 3/12/2024 at 2:38 AM, George N. M. said:

    I miss Thomas' input since he had a medieval falconette which IIRC was about golf ball caliber.

    He discussed it here:

    On 3/11/2024 at 8:42 PM, George N. M. said:

    There is a big Scottish-Irish festival in Estes Park, CO that I used to demo at (until they started charging crazy booth fees).  There was always a group there with period weapons including a bowling ball mortar.

    At Fort Ticonderoga on the NY side of Lake Champlain, they used to do demonstrations of cannon and mortar fire (and still may, for all I know). They did a very good job of explaining how the big advantage of a mortar is that because it doesn't recoil nearly as much as a cannon, it can be dialed in with great accuracy to hit a precise spot. Their target was a steel box about 3' to a side, and if a mortar team managed to drop a ball in it, they would win a case of beer. 

    For the cannon, they had a large steel target in the shape of a (significantly oversized) Hessian soldier, and the presenter would deliver the following spiel: "If the ball hits the target, you will hear a loud clang! If it is a near miss, a mound of dust will rise into the air! But if you hear no sound and see no mound, you know that ball is Vermont-bound!"

  10. Mink oil does have the advantage that I already have some. (I got it to condition the leather on the nearly new Red Wings I got on FBM a couple of weeks ago; the previous owner was a heavy smoker, and I had to do a lot of cleaning to reduce the cigarette smoke to a tolerable level.) I'll give it a try this evening.

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