Recent Content by CoreyM

  1. CoreyM
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    3d lost lost wax filement????

    I really like polysmooth. It's not wax, but it has similar printing characters to PLA, and it can easily be smoothed with IPA. Here is my first...
    Post by: CoreyM, Jan 2, 2018 in forum: Pattern making
  2. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    Over the weekend I made the proper Vixen dovtail clamp for the mount. Because of the overhang in the dovetail, in order to sand cast this part I...
    Post by: CoreyM, Dec 4, 2017 in forum: Metal casting projects
  3. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    No joke, that is is my last name, guess I found the right hobby, ha.
    Post by: CoreyM, Nov 28, 2017 in forum: Metal casting projects
  4. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I received the 127mm Mak. It seems like a nice solid scope. It has 1/4-20 threaded holes in it's dovetail, so I temporarily mounted it to the...
    Post by: CoreyM, Nov 28, 2017 in forum: Metal casting projects
  5. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    If imaging is you main interest, most experienced astrophotographers on the forums and Reddit recommend stating with something small. Most...
    Post by: CoreyM, Nov 28, 2017 in forum: Metal casting projects
  6. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    There is a great full length telescope making documentary on YouTube with John Dobson himself. There is also a great ATM section on the...
    Post by: CoreyM, Nov 27, 2017 in forum: Metal casting projects
  7. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    Good to know. Thanks!
    Post by: CoreyM, Nov 22, 2017 in forum: Metal casting projects
  8. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I made a temporary bracket to adapt the 1/4-20 thread on my so-so spotting scope to the mount. I also added an aluminum handle for now, until I...
    Post by: CoreyM, Nov 22, 2017 in forum: Metal casting projects
  9. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I have a really good supply of known good quality casting alloy. I work at a company developing pumps, and the housings are 0.5" thick 15lb...
    Post by: CoreyM, Nov 21, 2017 in forum: Metal casting projects
  10. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    Over the weekend, I was able to machine the altitude axis parts. [img] I am really happy with how it is coming together. The new axis is a...
    Post by: CoreyM, Nov 20, 2017 in forum: Metal casting projects
  11. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I don't actually have a telescope for this mount yet. For testing I'm planing on using my 80mm spotting scope. My end goal it to dual mount two...
    Post by: CoreyM, Nov 14, 2017 in forum: Metal casting projects
  12. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I ordered and received the heavier duty CST/Berger 60-ALQRI20-O Tripod for $60. This thing feels very sturdy, but as expected the legs have no...
    Post by: CoreyM, Nov 13, 2017 in forum: Metal casting projects
  13. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    I cut up and melted the bad parts. I always like cut away views, it's neat to see a CAD Section view come to life. [IMG] Over the weekend...
    Post by: CoreyM, Nov 6, 2017 in forum: Metal casting projects
  14. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    DavidF, Thanks for the tips, I tried again this past weekend and nailed the two press fit bearing bores. Negativ3, This is what i used. SolarEZ...
    Post by: CoreyM, Nov 6, 2017 in forum: Metal casting projects
  15. CoreyM
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    Modular Altitude Azimuth Telescope Mount

    The first one I screwed up by not measuring and overshooting the eyeballed rough "undersized" dimension. The second one I was more cautious and...
    Post by: CoreyM, Nov 3, 2017 in forum: Metal casting projects