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Thread: Strobe disc tachometer for lathe or other spinny thing

  1. #1
    wormil's Avatar
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    Oct 2013
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    wormil's Tools

    Strobe disc tachometer for lathe or other spinny thing

    I have a 1958 Craftsman lathe that I converted to variable speed with a DC motor. Wanting to know it's speed range, I decided to go old school with a disc tachometer. I used discs calibrated for 60hz and they work fine with shop fluorescents. See the video for more details. Included below is a disc pattern I made and is free to use. The youtube video page has a link to the full size graphic.

    The knocking sound was a loose set screw.

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    Last edited by wormil; Oct 4, 2013 at 10:01 PM.

  2. The Following 4 Users Say Thank You to wormil For This Useful Post:

    chevysman21 (Feb 27, 2016), DIYer (Oct 7, 2013), kbalch (Oct 6, 2013), rdhem2 (Oct 8, 2013)

  3. #2
    kbalch's Avatar
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    Jun 2012
    Clermont, FL
    Thanked 523 Times in 377 Posts
    Thanks wormil! I've added your Strobe Disc Tachometer to our Measuring and Marking category, as well as to your builder page: wormil's Homemade Tools. Your receipt:

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