Clunky Clock - It's About Time (2016 Science Olympiad)

Clunky Clock - It's About Time (2016 Science Olympiad)

prusaprinters

<p>This is a very simple It's About Time metronome / pendulum clock for the 2016 division C Science Olympiad. It should be fully rules complaint but check dimensions before using this design.</p> <p>The Clunky Clock is designed to use parts I have on hand to make a low friction pendulum clock. The 2x4 attachment allow the design to be attached to a simple 2x4 stand. This is not designed to be fancy in any way, it's designed to be functional.</p> <p>Pro Tip: if you use any pendulum clock in the It's about Time event, make sure you can and do start the pendulum in the same place every run.</p> <p>Note: At time of upload, the design has not been tested in competition and has no guarantee of performance.</p> <p>====================================================================</p> <p><strong>Printed Parts needed:</strong></p> <p>1x Penny Holder</p> <p>1x Arrow</p> <p>1x Bearing Block</p> <p>1x 2x4 Attachment</p> <p>====================================================================</p> <p><strong>Hardware Needed:</strong></p> <p>1x 623-2rs Bearing http://www.amazon.com/Bearing-623-2RS-3x10-Sealed-3x10x4/dp/B002BBMG3A</p> <p>2x M3 Screws (I used M3x16) http://www.amazon.com/16mm-Socket-Machine-Screw-Black/dp/B00W97MTII</p> <p>~20x M3 Nuts http://www.amazon.com/gp/product/B000NBIH92/</p> <p>4x M3 12mm Bolts: http://www.amazon.com/Makerbeam-Bolts-Square-Head-25pcs/dp/B00OXR1X5C</p> <p>8x M3 6mm Bolts: http://www.amazon.com/MakerBeam-bolts-square-head-pack/dp/B00G2DNW3G/</p> <p>or http://www.amazon.com/MakerBeam-bolts-wing-type-head/dp/B00G2DNWK4/</p> <p>1x 300mm Makerbeam (you can use any length that you wish, but different lengths will have a different period) http://www.amazon.com/MakerBeam-300mm-beam-black-anodised/dp/B00G2DNU4M</p> <p>1x 150mm Makerbeam (you can use any size you wish, this is just used to attach the pendulum to the 2x4 base) http://www.amazon.com/MakerBeam-150mm-beam-black-anodised/dp/B00G2DNT4I</p> <p>United States Pennies (as many as you want or need)</p> Category: Engineering

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