Archimedean spiral jack
Blue ratchet wheel has Archimedean spiral rib that engages with green rack. Parameters of the spiral must be chosen to maintain the self-locking transmission. Angular reciprocating motion of violet crank …
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Tag: Spiral
Spiral lifter Marble Machine
Motor : RA12W0060-SY6800 (230RPM) Ball : 9/32 Stainless steel
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Spiral lifter testing
For mini marble machine
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Spiral Top
This unusual spinning top spins on a metal base, and the spindle follows the path of the wire spiral at the top, spinning firstly into the centre of the spiral, …
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41 and more Ulam’s Spiral – Numberphile
More on prime numbers and Ulam’s Spiral – this time focusing on 41 and Arthur C. Clarke. This video features Dr James Clewett. More Clewett videos at: See our other …
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Archimedes Spiral Gear Mechanism
This unusual gear mechanism is based around an Archimedes Spiral. Tim was given it by a friend, who made it using 3D printing. Happy New Year to you all from …
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Verification for new Flip Flop and spiral ball track.
100x100mm ball track.
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Spiral Galaxies – Sixty Symbols
What makes spiral arms in some galaxies – and what is “pattern speed’? Professor Mike Merrifield explains. Extra footage at Our thanks on this video to R. Jay GaBany from …
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The Biggest Spiral Galaxy – Sixty Symbols
NGC 6872 has recently been named the largest spiral galaxy observed – or “little bit of a fraud”? Professor Mike Merrifield is an expert on galaxies at the University of …
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17×17 Patterns: Cube in Cube – Spiral – Superflip
In this video I show a bunch of patterns on the 17x17x17 Over the Top World Record Cube. Spiral pattern was found by David Gilday of This 17x17x17 is on …
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