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John Ditt

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Everything posted by John Ditt

  1. The attached photos show hammer handles with a saw kerf in the upper third. This allows the hammer handle to flex, absorbing the shock of the blow. Before attaching the head, a gasket sheet from the auto store is inserted within the kerf through the head and for one inch of the exposed handle, in order to keep the kerf from closing. One can drill a small hole at the base of the kerf to retard any splitting of the wood. The handle, up to the head, is soaked in linseed oil for one week in order to add more flexibility. One can retrofit a hammer with handle by using a cut-off blade on an ang
  2. Additions include Allen Lakes' collection, Tom Troszak's restart of the Bull hammer, and Tom Troszak's insights on hammer selection and testing.
  3. Xixch, The List includes new and used power hammers and, thus, those no longer being made in USA or beyond. Additions are 1) Cricket DIY air by Dave Hammer and 2) TZunfa new self-contained air from Canadian Blacksmith Supply.
  4. Thanks, SLAG. I'm not one to discuss the electrostatic precipitators. You might create a new topic under the proper subject.
  5. Thanks, Glenn. In regards to paddles, the industry literature describes how the work should slide across and with the media rather than tumble or fall (due to paddles). This sliding of the work is not the sliding/slipping of the media. The hexagon interior of rotary tumblers serves to prevent the sliding/slipping of the media. To date, the lining of my circular tumbler by the rubber mat seems to allow for the sliding/tumbling and to prevent the sliding/slipping of the media. In time, I shall place a acrylic sheet in lieu of the steel lid of the drum in order to video film the tumbli
  6. Updated - List of Available Power Hammers in North America New & Used ... Commercial & Do It Yourself ... Mechanical & Air As compiled by John Dittmeier, October 10, 2017. link removed as per TOS
  7. Frosty, Since the motor is 1/2 HP, I am striving for a moderately low weight load of work and media. Steel cut-offs that would fill one-third to one-half of the 55 gallon drum would be too heavy for the motor and the pulley system, I believe. Thanks for the idea of sawdust and/or sand; I know that the brass polishers use walnut shells, available from pet stores. This tumbler turns at 21 rpm. There is no lifting lug. I created a hinged door in the drum's lid.
  8. Svarttrost, Greetings to you in Finland, where I worked in the summer of 1972 as part of my college education in civil engineering. It was a factory for the production of aerated concrete panels and blocks, in the suburbs of Helsinki. Between February and August 2017, my development of the tumbler was dormant. The first tumbling media was industrial ceramic, but this particular media is intended for vibratory tumblers. The second tumbling media was 'drainage rock' as shown in the first photograph. But, both of these media fractured and generated thick dust. So, I have start
  9. I created and maintain the PDF List of Power Hammers. Please respond below with any additions or revisions. Thank you.
  10. Late response: I created and maintain the attached PDF List of Power Hammers, including DIY mechanical and air. List of Power Hammers 12-29-16.pdf
  11. I am attaching the PDF List of Power Hammers, in which I listed tire hammer references. List of Power Hammers 12-29-16.pdf
  12. For Face book groups and now for IForgeIron, I created and maintain the attached List of Power Hammers, in which I have listed New Kinyon references. List of Power Hammers 12-29-16.pdf
  13. With this tumbler design and others, you can skip the pickling and add more tumbling time.
  14. I developed a prototype tumbler in early 2016 and shall attempt to complete the project in early 2017. I intend to produce plans, including a formal video, as a fundraiser for nonprofit smithing associations. The tumbler is simple and low cost to build, fairly quiet, large and effective. The noise level in the video is greater than that in reality. First step is to pickle the forged work in food-grade citric acid for 12 to 24 hours and then to neutralize the acid upon the work in a baking soda solution. The pickling causes the forge scale to become dust like. A rubber mat lines
  15. Since I have been away from IForgeIron, this is a late reply. My prototype tumbler is large, quiet, low cost and easy to build. First step is to pickle for 12 to 24 hours in food grade citric acid and neutralize in baking soda solution. The tumbling serves to remove the dust that the scale has become from the pickling. The cylindrical interior of the 55 gallon barrel and its two ends are lined with a rubber mat. For now, I have used 'drainage rock' from Lowe's for the media. It's a fair action on removing the scale dust. IMG_0068_2.m4v This photo shows the interior.
  16. No, to my understanding. ReactorForge's github shows one change three months ago.
  17. I note that Josh, the creator of this induction forge, has updated his github site, reached via ReactorForge site, twenty five days ago. That update lets us know that he is still active.
  18. In a recent posting under Facebook group 'Blacksmith Forges...', a Nathanael Brandt posts the following with photos, though without photos of his burner/blower arrangement. Members of the group are awaiting his details: 'I have been building and tweaking burners for the last year or so that run on unfiltered waste oil. Whether veggie oil or used motor oil (trans fluid, diff. fluid and gear oil also) I think I've finally got a burner that not only is controllable its finally giving me a 95% burn with very little smoke. The oil is gravity fed into the mixing tube where air from a large blower is
  19. Others and I were wondering if you, Josh, were still active. I was about to post that you have updated the GitHub 30 days ago with a hardware list. Thank you for continuing to pursue this project. We await your first round of kits. Say hey to Daniel.
  20. For myself, I remain interested and patient for ReactorForge to complete your enterprise in induction heating.
  21. Thank you, Induction Brothers. As with workshops to build Rob Gunter's recuperative forge and Clay Spencer's treadle hammer, I foresee regional groups to purchase items in quantity and to fabricate your induction forge at a joint workshop. I shall likely host a workshop in the Washington, DC area.
  22. I join in the thanks, Tom, and shall likely develop one like this.
  23. Induction Brothers, ABANA has a call for input ontopics and demonstrators for the August 2014 Conference in Harrington, Delaware. See its Facebook page. http://conta.cc/1dLVBEX Are you interested in presenting your induction forge? By itself or via a panel discussion? It would be a fine opportunity to market your forge.
  24. I am developing a large tumbler without welding or machining. The barrell is a black pickle barrel with screw lid. For the liner, I shall use treads of automobile tires that have the inner diameter of the barrel (23 inches). Turned inside out, the treads pop into place inside the barrell. I remove the side walls of the tires with a utility knife. I am hoping that there will low noise.
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