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David C. Roys Kinetic engine revealed
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Topic: David C. Roys Kinetic engine revealed (Read 3220 times)
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Kineticrazy
Newbie
Posts: 29
David C. Roys Kinetic engine revealed
«
on:
November 29, 2016, 11:27:01 PM »
Hello all,
I, like many others, have been curious as to the drive mechanism involved in David Roy's sculpture
s.Particu
larly the ratchet and pawl design. I happened upon a solution the other day, in the form of an expired patent. I hope others here will enjoy reading it as much as I have.
https://www.google.com/patents/US4637152
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marklazarz
Full Member
Posts: 141
Re: David C. Roys Kinetic engine revealed
«
Reply #1 on:
November 30, 2016, 09:19:54 AM »
Kineticra
zy:
Thank you for sharing that informati
on!
Mark
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Kineticrazy
Newbie
Posts: 29
Re: David C. Roys Kinetic engine revealed
«
Reply #2 on:
December 01, 2016, 10:15:22 AM »
Another interesti
ng thing I found in my research was a post by David's wife. She was answering a question regarding what material is used for the black cables that loop between sections of his sculpture
s. Turns out they are springs. Extension springs with the little loops snipped from the ends, and several wound together a short distance on the ends to create the length desired. Here's a link to what I believe she was describin
g.
https://www.amazon.com/dp/B016W7W9KS/ref=wl_it_dp_o_pC_S_ttl?_encoding=UTF8&colid=13IE62F9MLNI5&coliid=I33J8UUS8A7F7G
I hope to construct something soon, I'll be sure to share.
Eric
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BillM
Full Member
Posts: 120
Re: David C. Roys Kinetic engine revealed
«
Reply #3 on:
December 01, 2016, 02:49:34 PM »
Eric
Thanks for sharing the info about David Roy's kinetic sculpture
s. His sculpture
s are certainly mesmerizi
ng.
Bill
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Kineticrazy
Newbie
Posts: 29
Re: David C. Roys Kinetic engine revealed
«
Reply #4 on:
December 04, 2016, 10:13:44 AM »
Here is a link to additiona
l drawings of David Roy's sculpture
s "Aztec" and "Cumulus". If you scroll down the page, you will come to the screen shots of the computer drawings. Of particula
r interest to me, were the "Aztec" butterfly pawls. If you look closely at the innermost pawl, it has a small green square with an arrow....
..magnet maybe??
https://priceonomics.com/the-kinetic-wood-sculptor/
Eric
Link to Aztec video..
https://www.youtube.com/watch?v=rY96n-dxrs0&t=44s
Link to Cumulus video..
https://www.youtube.com/watch?v=CAH1o1ruY7Q
«
Last Edit: December 04, 2016, 10:25:06 AM by Kineticrazy
»
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