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Thread: Big compass finished

  1. #1
    Supporting Member rendoman's Avatar
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    Nov 2015
    Thanked 480 Times in 234 Posts

    rendoman's Tools

    Big compass finished

    Hi all!
    I just finished my new little compass.
    It's 2 meters radius, the long rod is a square 20x3mm tube, punched every 5cm, the cursor is from square25x2mm, with a little window for the scale, double M10 screws as fasteners. Chalk holder with 11mm hole, M6 thread, from a 40mm round bar. Base frame is a 30mm thick aluminum, with index and three different points. Main shaft is a 18mm, M12, I built also a spacer and a lock.
    I used 2,5mm electrodes, stick welding, 60A, AC.

    The trace is very good, I wanted a tool pretty stable and easy to use. Cutting large things is not easy, having a bad pattern is even worst!
    Due to material, it would be perfect even with a cutting torch, adding a dedicated support.

    Big compass finished-dsc04843_1600x1200.jpg Big compass finished-dsc04844_1600x1200.jpg Big compass finished-dsc04839_1600x1200.jpg

    Big compass finished-dsc04840_1600x1200.jpg Big compass finished-dsc04841_1600x1200.jpg

    173 Best Homemade Tools eBook

  2. The Following 6 Users Say Thank You to rendoman For This Useful Post:

    Jon (Nov 26, 2018), LMMasterMariner (Nov 27, 2018), Miloslav (Dec 17, 2018), PJs (Nov 28, 2018), rgsparber (Nov 27, 2018), Seedtick (Nov 27, 2018)

  3. #2
    Content Editor
    Supporting Member
    DIYer's Avatar
    Join Date
    Aug 2013
    Thanked 1,612 Times in 1,445 Posts

    Thanks rendoman! We've added your Big Compass to our Measuring and Marking category,
    as well as to your builder page: rendoman's Homemade Tools. Your receipt:

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