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  1. 16-04-2013 #5
    Jonathan's Avatar
    Lives in Leicester (Home) or Nottingham University (2nd Home), United Kingdom.
    Jonathan
    Last Activity: 05-04-2020 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,571. Received thanks 325 times, giving thanks to others 8 times. Referred 1 members to the community.
    I've just made a quick spreadsheet for calculating the inertia to demonstrate the difference:

    Moment of inertia calculator.xls

    I've entered the values for your original design as an example, so you could put the values in for the modified design and compare. You could also include the pulley and ballnut.
    Last edited by Jonathan; 16-04-2013 at 01:51 PM.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.
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