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Working Pendulum Clock
Published 5 months ago
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This is a full functional pendulum clock. It uses two AA PF battery boxes as weights and an AAA battery box as a counterweight to keep its balance. The two AA PF battery boxes slowly fall, turning the drum through cord attached to it. The drum drives the escapement, which regulates the rotation of the drum using the pendulum. The escapement then drives the second dial and the concentric minute and hour hands through more gearing.

There are minor part substitutions, listed below:
-bb0892c01 is used instead of 87513c01
-56145 is used instead of 4266
-A combination of 3648, 6524b, and 63864 are used instead of 6573
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523 pieces
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saabfan
5 months ago
Wonderful, this needs to be animated!
Nyan_Cat
5 months ago
how do i post a thing
microkorgi
5 months ago
Interesting! I've been looking at gear combos to get to the 1:60 and kept getting stuck.
Tesla7981
5 months ago
does this actually work?
Horologist
5 months ago
Yes, this is based off of a real-life design that I made.
Tesla7981
5 months ago
nice, but I think you should make Yello part bigger
Horologist
5 months ago
Assuming you're referring to the string, I chose to model it shorter because updating flexible parts is extremely time-consuming. In real life, the string is much longer.
microkorgi
5 months ago
I'm assuming he's talking about the edge of where the dial would be. I'm assuming the skeletonized design is to keep it easy, keep the movement visible, and just as a stylistic choice.
Horologist
5 months ago
@microcorgi You're right, I do prefer being able to look at the mechanisms inside of the clock.
microkorgi
5 months ago
I may have to poke around with getting three hands central so I can get my watch build moving.
Horologist
5 months ago
You'll need a large technic turntable for the seconds hand, then.
Satriani
5 months ago
Hello Horologist,

I want to rebrick this nice work. I try to rebuild this first in LDD. I can't recognize any turning parts between the two 40T-Gear-Wheels and the other Gear-Whells. I'm missing this parts. Is this correct? Thanks
microkorgi
5 months ago
@Satriani

oh wow, took a second to find that. Looks like it just needs a single axle. Good find
Horologist
5 months ago
@Satriani Are you talking about the 40t gears that are on the same axle as the weight drum? If so, then there are two separate axles: an 8l axle with stop that runs from the 40t gear at the back to the 12t gear in the ratcheting mechanism and a 4l axle with stop that runs from the 40t gear in the ratcheting mechanism to the technic triangle that supports it. These two axles rotate at different speeds when the clock is wound up.
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