Dennis Brown wrote:
Alex,
Thanks for sharing this stack. I remember when I was a teenager
(about 3,000 years ago), I helped my dad build a king size dual
pendulum "spirograph". One pendulum ran the x axis and the other ran
the y axis. It produced very interesting patterns because each
pendulum was running a sine wave that would decay in amplitude with
time. It might be interesting to add that idea somehow to your stack.
Uh, Dennis - I think that would require understanding the maths, as
opposed to merely translating it, which is all I have done so far :-)
So was it just two independent pendulums (pendula?), each controlling an
axis independently ?
Should be worth a try ... do I need to allow for Coriolis force :-) ?
Follow up to come - but not too soon.
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Alex Tweedly http://www.tweedly.net
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