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  1. #1
    mklotz mklotz's Avatar
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    Measuring acute angles accurately

    In a previous post...

    Bending Strap to Angles Greater than 90°

    I mentioned a method for using three, equal diameter, rods or disks to measure an obtuse angle accurately.

    The same method can be applied to acute angles, although the mathematical relation is slightly different than that for the obtuse case.

    The attached diagram should make the procedure clear. 'D' is the diameter of the rod/disk. Theta is the angle to be measured.

    Measuring acute angles accurately-acute.jpg
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    Regards, Marv


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    Paul Jones's Avatar
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    Hi Marv,

    How do you typically preform the measurements of the distance H when the opening distance is very small? Do you slide in gage blocks until you find one that just fits in?

    Thanks,
    Paul
    Last edited by Paul Jones; 01-04-2018 at 10:04 PM.

  3. #3
    mklotz mklotz's Avatar
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    Quote Originally Posted by Paul Jones View Post
    Hi Marv,

    How do you typically measurement of the distance H when the opening distance is very small? Do you slide in gage blocks until you find one that just fits in?

    Thanks,
    Paul
    Admittedly, I've only used this technique a few times but, yes, gauge blocks are the tool of choice.


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    Paul Jones (01-04-2018)

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