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Thread: Built my own compass

  1. #1
    Join Date
    Dec 2010
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    Republic, Wash. State
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    Built my own compass

    Got to thinking seriously about a large compass for the shop. Well; after several failures. #3 is my new compass. I did bore the holes for the pencil and steel point on the lathe. It will do a 22" circle.
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  2. Way cool, Allan! Very nice!
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  3. #3
    Great idea!! Looks very nice.

  4. #4
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    Outstanding!
    Happy and Safe Turning, Don


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  5. #5
    Join Date
    Nov 2012
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    UP of Michigan
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    Great compas Allan. How do you hold the pencil in place? What did you use for the point?

  6. #6
    Join Date
    Dec 2010
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    For the pencil, I drill for a tight fit. thinking 17/64th, took a tiny bit off the pencil corners. a good friction fit. The metal point made from a torx screw driver bite, tight fit blind hole. Torx end ground to a sharp point . If you would like I can send photos of joints .
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  7. #7
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    Nov 2012
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    UP of Michigan
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    Thanks for the info

  8. #8
    Join Date
    Dec 2012
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    Bedford, NH
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    Nicely done - a very worthwhile project that will always be useful.
    As an aside, I'm wondering if a "locking strap" of some sort to lock in a radius would be useful if the compass were to be used a number of times to prevent accidental bumping/changing of the radius?
    Last edited by Al Launier; 09-03-2017 at 9:45 AM.
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  9. #9
    Join Date
    Dec 2010
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    At this time there is no finish in the joint and it locks down tight. Only time and use will tell. If a greater diameter joint bearing surface were used the holding ability could be increased.
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