Recent Content by Rotarysmp

  1. Rotarysmp
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    1956 buick build

    You are making incredible progress on this project. Mark
    Post by: Rotarysmp, Apr 12, 2021 at 1:23 AM in forum: Other metal working projects
  2. Rotarysmp
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    Motorcycle Cylinder Sample

    Look forward to seeing these next castings. Top work you are doing there. Mark
    Post by: Rotarysmp, Feb 17, 2021 in forum: Lost foam casting
  3. Rotarysmp
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    Block Investment PLA burnout

    Correct. Not lost foam. You don't pour the molten metal onto the plastic. You enclose the plastic model in a plaster block, burn it out, and then...
    Post by: Rotarysmp, Jan 14, 2021 in forum: Lost PLA casting
  4. Rotarysmp
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    Studio camera stand

    Yepp! It was pretty disappointing. :)
    Post by: Rotarysmp, Jan 10, 2021 in forum: Other metal working projects
  5. Rotarysmp
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    Studio camera stand

    I did a bit of casting in this project so I thought you might be interested... [MEDIA] [MEDIA]
    Thread by: Rotarysmp, Jan 10, 2021, 2 replies, in forum: Other metal working projects
  6. Rotarysmp
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    Iron casters

    I have clay graphite as well.
    Post by: Rotarysmp, Dec 31, 2020 in forum: General foundry chat
  7. Rotarysmp
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    Interupted burnout

    Here is the summary of my last two weeks efforts... [MEDIA] I appreciate your inputs. Mark
    Post by: Rotarysmp, Dec 27, 2020 in forum: Investment casting Block method
  8. Rotarysmp
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    Interupted burnout

    Thanks for your advice. I read the instructions that you should let the mould sit for at least 90 minutes before starting burnout. I had to wait...
    Post by: Rotarysmp, Dec 26, 2020 in forum: Investment casting Block method
  9. Rotarysmp
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    Interupted burnout

    I got up early and have it in the kitchen oven. I'll set up some lights, so that I can pour after dark today. Wish me luck. Mark
    Post by: Rotarysmp, Dec 25, 2020 in forum: Investment casting Block method
  10. Rotarysmp
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    Interupted burnout

    Thanks. I was afraid you'd say that. Mark
    Post by: Rotarysmp, Dec 25, 2020 in forum: Investment casting Block method
  11. Rotarysmp
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    Interupted burnout

    Hi block casters, Does it damage the block if you do the low temp drying off part one day (those first 4H) , let it cool overnight and then do...
    Thread by: Rotarysmp, Dec 25, 2020, 13 replies, in forum: Investment casting Block method
  12. Rotarysmp
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    Block Investment PLA burnout

    The mould was a mess of cracks so there is a lot of flashing.[ATTACH][ATTACH]
    Post by: Rotarysmp, Dec 20, 2020 in forum: Lost PLA casting
  13. Rotarysmp
    Thread

    Block Investment PLA burnout

    I managed to get a bag of Cetus Unicast. https://www.certus-int.com/unicast Suprisingly difficult to obtain investment here. Anyway, I did a...
    Thread by: Rotarysmp, Dec 19, 2020, 13 replies, in forum: Lost PLA casting