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  1. H

    Ruger Precision Rifle Discussion

    I have a Gen 1 in 6.5 Creedmoor, and have never had any issues with it (except when I switched to small primer brass and had to use CCI450s for the harder cup to control primer flow around the firing pin...my issue for not using large primers and not necessarily the guns shortcoming). Each...
  2. H

    Homemade Induction Annealer

    What always strikes me when I look at your setup, is that the proximity of the coil to the large aluminum tool head might potentially cause issues with heat build up in the tool head itself (as well as excessively long heating times with the amount of energy being dumped into the tool head...
  3. H

    Homemade Induction Annealer

    Here is an 'artists rendition' of how I set mine up:
  4. H

    Homemade Induction Annealer

    I agree with this 100% (although I used aluminum blocks as stand offs and mounted them on the underside of my ZVS board...just worked better with the way I had components arranged)
  5. H

    Homemade Induction Annealer

    My advice...slow it down. Your ZVS board will last longer. If you need to keep the pace up, a large fan (100mm or 140mm) blowing across the board may help. Personally, I have an automatic case feeder, and I keep the delay between cases long enough to keep the board temp at 105-120F and just...
  6. H

    Homemade Induction Annealer

    Like Stugots said, 1200W is the capability of the power supply, the ZVS board can only take what it can take. In the case of your 800W supply, the ZVS board was probably trying to take more than the PS could continuously output. With regards to the amperage, it might be just changing...
  7. H

    Homemade Induction Annealer

    I would think you would be better served with more amperage/wattage like: https://www.amazon.com/BOSYTRO-Switching-Transformer-Security-Industrial/dp/B0C591QLNR/?th=1
  8. H

    Homemade Induction Annealer

    FALex, I have been using the method I documented on another forum for a couple of years now, and it seems to work well. See: https://forum.accurateshooter.com/threads/induction-brass-annealer-redux.3908353/page-139#post-38261542 I use the flame sensor as a primary trigger to drop an annealed...
  9. H

    Homemade Induction Annealer

    I can't see enough of your build to come to any conclusions or observations...
  10. H

    Ruger Precision Rifle Discussion

    the comb is the cheek rest, and the RPR like the AR needs a decent amount of rise in the scope mount because its basically level from the rail back to the cheek rest (not slanted down like a standard rifle stock).
  11. H

    Ruger Precision Rifle Discussion

    Your welcome
  12. H

    Ruger Precision Rifle Discussion

    No problem. Looks like you can get a 1/4-28 tap on Amazon for less than $4...at least in the US...
  13. H

    Ruger Precision Rifle Discussion

    My guess is they are either 1/4-20 or 1/4-28 (I haven't dissassembled my RPR in a few years). If you have a set of calipers, measure the diameter of the bolt...it should be at or just under 0.2500" (6.35mm). If you don't have calipers, measure with a ruler...the difference from 1/4" and the...
  14. H

    Homemade Induction Annealer

    I'm not sure what the question was in the previous 3 posts, but on the one above that... The 1/8" rod he refers to is the one coming out of the wood block on the right side of the first attached pic in his post. The rod goes through that drop hole to hold the case in place, then it is pulled...
  15. H

    Homemade Induction Annealer

    If you can return the 600W to AliExpress, and get the larger supply, that would indeed be best.
  16. H

    Homemade Induction Annealer

    Something to consider (let smarter people chime in before deciding), I have read that you can run 2 power supplies in series to increase the output voltage, but can you run 2 supplies in parallel to increase your amperage? I only mention this, because it may be cheaper to get another 48V/600W...
  17. H

    Homemade Induction Annealer

    Based on the picture of your power supply, it is only rated for 12.5 amps. May not be enough. I only base that on the current draw that my 1000W/48V ZVS board pulls. When I was using a 1000W/48V/21A power supply, it was about 14-17 amps, now I am using a 1500W/48V/31A power supply and it...
  18. H

    Homemade Induction Annealer

    We need more info...pics, basic circuit schematic, components details, how your running the machine...otherwise, it's a shot in the dark... ps - mosfets are parts on the zvs board
  19. H

    Homemade Induction Annealer

    Either of those should work, and since the coil connectors are attached to the circuit board, they can probably be attached from the bottom of the circuit board by reversing the hardware...this should keep you clear of the top side components (a short standoff for each connection will give you...
  20. H

    Homemade Induction Annealer

    Another option is sugar, it dissolves easily as well. Also, when I made mine, I wrapped it with fiberglass sheathing on it, but since it shredded badly, I picked the pieces out of the coil. I was left with a coil that looks almost exactly like yours and the sheathing gave me excellent spacing...
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