If it makes it, I'll do a final light tightening of all wobbly bits, maybe paint some fluorescent numbers on the dials and hands, and put it up on a shelf.
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Dammit. Stopped at 4.5h. And now cat is rubbing aggressively against table it’s on. Not out of the woods yet.
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I'm going to have to resist the temptation to fight this endlessly. I mean this is laser-cut wood, push-fit assembled. Still, getting it to run a full spring-wind-down seems like not too much to ask. I don't need perfection. Just outlast the unwind.
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Rube Goldberg Chindogu idea... attach an arduino meta-control loop that notices if it stops via optical sensor interrupted by the pendulum, and gives the rocker a li'l kick if it does
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I think the cat is jealous of the clock
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Anyone who gets this kit built and ticking smoothly on first attempt is some sort of mechanical genius. I’ve gone: 10s, 30s, 55s, 5 minutes, 25 minutes, 55 minutes, 4.5 hours, and now back to 20-30 min range. I suspect it’s the spring force wind-down.
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Yup. Rewound to full tightness and it’s going steadily again. I may be down in the noise zone of friction. It’s not a specific sticking point. To test this, I’d have to note all gear positions at each stall. Should be uniform random?
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I’ll measure this, but after first stall at 4:30, with each gentle impulse on rocker it went for a shorter interval each time. By the time it was ~1 minute, strength of initial impulse was determining the duration so pendulum was driving, not spring.
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I’m sciencing the shit out of this problem that Huygens cracked in 1658
Bringing up the rear of the scientific revolution like a boss.pic.twitter.com/njIIgjGPrP
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Replying to @vgr
Next project- Reproduction of Antikythera Mechanism made from cheese.
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