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rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-17 14:51
The Geneva Mechanism is one of my favourites:



source

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-17 15:15
Reciprocate Gear Mechanism

chiral3
Founding Member

Total Posts: 5001
Joined: Mar 2004
 
Posted: 2016-11-17 15:38
Not as pretty but always interesting

https://www.youtube.com/watch?v=KZF5k4L_YAo

I went through a phase years ago (ok, almost 20) when I got a little obsessed with building mechanical oscillators with chaotic orbits.

Nonius is Satoshi Nakamoto. 物の哀れ

billWalker


Total Posts: 171
Joined: Feb 2005
 
Posted: 2016-11-17 15:55
Sprinkler Gear mechanism:


"Plausible regularities may be present but swamped by changes in attendant circumstances." Ole Peters

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-17 22:18
A walking bike:



vinpao


Total Posts: 15
Joined: Mar 2013
 
Posted: 2016-11-17 23:28
Wintergatan

the "how it works" videos explain the maddening genius behind it.

jslade


Total Posts: 1087
Joined: Feb 2007
 
Posted: 2016-11-17 23:31
re: walking bikes; have a look at Karel Zeman's movies; I think he had one of these in "the stolen airship."

Also, Jos de Vink makes very cool artistic heat engines:
https://www.youtube.com/watch?v=5qc-aQzeVb8

"Learning, n. The kind of ignorance distinguishing the studious."

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-18 23:07
The Wintergatan Marble Machine is very impressive! Coolest finding of 2016!

Speaking of marbles, Matthias Wandel built a rudimentary digital computer out of wood. The ingenious Binary Marble Adding Machine is, basically, a 6-bit adder that runs on gravity and uses mechanical flip-flops for memory storage.







rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-18 23:10
Here's a video of the Binary Marble Adding Machine.

chiral3
Founding Member

Total Posts: 5001
Joined: Mar 2004
 
Posted: 2016-11-19 01:47
Rod, you and a CNC machine would be a dangerous combination.

Nonius is Satoshi Nakamoto. 物の哀れ

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-20 11:31
LEGO Antikythera Mechanism

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-11-20 11:50
A lovely 10-minute video from Chevrolet on how the differential gear works.

katastrofa


Total Posts: 360
Joined: Jul 2008
 
Posted: 2016-11-27 23:31
magnetic motor

rod


Total Posts: 370
Joined: Nov 2006
 
Posted: 2016-12-07 18:32
Reuleaux triangle intermittent mechanism


katastrofa


Total Posts: 360
Joined: Jul 2008
 
Posted: 2016-12-11 22:29
Radial engine
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