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The near-missajous machine (Patreon)

Published:
2018-09-15 10:24:52
Imported:
2018-09

Content

I'm back from Australia and ny new video is up. I had some fun making the video this week while working on longer projects.

https://www.youtube.com/watch?v=4CbPksEl51Q

I ran the machine a few times to see what patterns I got. The bonus video for Patreon people is of one of the times when it went more wrong than usual!

Files

PATREON: Phantom Lissajous Plots

A bonus video for my Patreon supports. Watch the near-missajous machine go more wrong than ever! From here:

Comments

Peter Berre Eriksen

We all know these should be called Parker-Lissajous plots 😀 I'm sure Brady is already printing t-shirts.

Tahg

I suppose the length of the arms should be greater than the distance to the farthest points of the circles.

Craig Steffen (Figuring Stuff Out dot net)

That's fantastic, Matt! You were making a physical amalgam of a mathematical process, but (partially) because of a phase offset in the physical drivers, you stumbled on the bi-stable nature of the system and had a spontaneous phase transition! Cool! The really awesome thing is that if you parameterized the speed of the drivers, the diameter, the phonase, and then length of the rods, you could spot the singularity in the equations. I don't have the mathematical chops to figure it out in my head, but if I didn't already have like 3 too many hobbies, I might try to figure it out. Thanks Matt. This is awesome!

Patrick W. Gilmore

This is excellent. I think you need to make the pen a bit more stable. When the wheels force a sharp corner, the pen just tilts for a moment instead of moving. A little more tape or glue or something would probably fix that

GwynBleidD

His last name is "Parker" for a reason ;)