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Thread: Easy to build gas checkmaker

  1. #201
    Boolit Buddy dimaprok's Avatar
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    Quote Originally Posted by BC17A View Post
    Sorry for the late reply, I missed this one.

    When I size pennies I don't anneal them at all until they're at the finished thickness. Though I only thin down about .002" at a time. I suppose to speed up the process you could squeeze them more per roll but that would probably require a few annealing steps in between to keep them from cracking. I tested a few newer pennies with high zinc and things got ugly before I had any success. Old pennies are still abundant. I have a SiL that has probably more than ten thousand she'd collected over the decades. She said next time I visit she'd be glad so swap some out for bills.
    I annealed it 2 - 3 times during sizing, I found it really helped, without annealing it was be really hard to roll it down and wouldn't go down as much. I put it on the fire brick and run my torch across it and it would glow bright in no time. I was wondering if smaller but more steps would cause more work hardening rather than fewer but bigger steps. At any rate it's time consuming but fun to experiment.

    Zinc worked too and was easier to work with but it resulted in micro cracks, I am not sure if its the copper plating causing that or Zinc is just simply not malleable as copper. I also tried to anneal Zinc but as expected it melted quickly but I do think it helped as it resulted in smoother surface from the part that wasn't melted. My daughter had couple hundred pennies in her piggy bank and while 1983 or earlier penny is not rare but is not common either.
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  2. #202
    Boolit Bub
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    Thumbs up

    Quote Originally Posted by MUSTANG View Post
    I use and find Amerimax 4" x 50 ft aluminum flashing at 0.14" to be the best solution for my checks. There are many others using same. You can find it at Ace Hardware. Link is: https://www.acehardware.com/departme...shings/5171798
    So, about 10 months later I get the flashing and make some GCs. I had to remove some stock off of the forming die detail. And repolish. The thickness of the stock is good. It mics at .014" (the new label no longer shows the thickness), just as was needed.

  3. #203
    Boolit Mold
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    Dec 2020
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    Unable to open Gas checmaker pdf please mail to ameenkitekar@yahoo.co.in.
    Best regards

    Sent from my SM-N960F using Tapatalk

  4. #204
    Boolit Mold
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    Dec 2020
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    Pdf file is corrupted, please re-upload a fresh file od gas checkmaker making instructions and drawings.

    Sent from my SM-N960F using Tapatalk

  5. #205
    Boolit Grand Master

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    I just clicked on it and it downloaded just fine. Give it another try.

    Longbow

  6. #206
    Boolit Master

    Idz's Avatar
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    for those who aren't into machining there is a company selling checkmakers that look a lot like this design and not too expensive.

    https://www.powdervalley.com/product...dA5Q%3D.SeB582

  7. #207
    Boolit Master elmacgyver0's Avatar
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    I just looked at the primer cup makers and powder valley is selling them cheap also. I just ordered a pair.
    I already made a 30 cal check maker or I would have ordered that too.
    Thanks for the heads up!

  8. #208
    Boolit Master

    Idz's Avatar
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    Here's another commercial version of this design:
    https://sharpshooter-22lr-reloader.m...pr_seq=uniform

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check