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  1. 19-08-2010 #22
    routercnc's Avatar
    Lives in West Midlands, United Kingdom.
    routercnc
    Last Activity: 4 Weeks Ago Has a total post count of 1,737. Received thanks 412 times, giving thanks to others 76 times. Referred 3 members to the community.
    Prompted by a recent post asking about deflection of profile sections layed out in an 'L' shape, here is a spreadsheet to calculate I values for almost arbitrary shapes.

    These I values can then be used to calculate deflections. I'm in the process of adding this to the earlier spreadsheet, plus a few more new features, and hope to have something out early next week. For now, here is this mini calculator on it's own:
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    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4
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