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Crazy Gear Clock

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crueby:

--- Quote from: Kim on December 07, 2022, 12:31:47 AM ---Yes, a mechanical clock.  Either a weight driven or a spring driven brass clock where you can see all the gears and workings. I've got a couple of possibilities, but since it's sever years away yet, I haven't really given too much thought on which one specifically.  :embarrassed:

Your clock is looking great, Alex!  A very nice tribute to your grandfather.

Kim

--- End quote ---
Kim, if you get to where you are ready to do a clock, let me know, I have a stack of plans and books for making clock movements, have made several that are still ticking away merrily around the house. Have done both weight driven wall clocks and table clocks. These days the biggest issue is the cost of the brass sheet for the side plates and the gears, its a lot higher than when I made mine. Still, its a really fun project!

Kim:

--- Quote from: crueby on December 07, 2022, 12:37:01 AM ---
--- Quote from: Kim on December 07, 2022, 12:31:47 AM ---Yes, a mechanical clock.  Either a weight driven or a spring driven brass clock where you can see all the gears and workings. I've got a couple of possibilities, but since it's sever years away yet, I haven't really given too much thought on which one specifically.  :embarrassed:

Your clock is looking great, Alex!  A very nice tribute to your grandfather.

Kim

--- End quote ---
Kim, if you get to where you are ready to do a clock, let me know, I have a stack of plans and books for making clock movements, have made several that are still ticking away merrily around the house. Have done both weight driven wall clocks and table clocks. These days the biggest issue is the cost of the brass sheet for the side plates and the gears, its a lot higher than when I made mine. Still, its a really fun project!

--- End quote ---
Cool!  As the time gets closer, I may take you up on that, Chris! Though I do have several good books that I have picked up over the years, I just don't remember what they are - it's been too long since I looked at them.  Seems like one's called the Congreive clock and uses a rolling ball as the time keeping mechanism, however, I've heard they are VERY hard to get balanced right and keep terrible time.  I've also got a set of wall clock and table clock plans from the same person (though I can't remember their name at the moment).

As for the brass - I did pick up a large brass sheet to use for the frame of the table clock through eBay about 10-12 years ago.  I still have it and it's earmarked for my 'future clock build' when I get around to it!  But I'll still have lots more brass to buy for it I'm sure!

Kim

crueby:
If you spot bargains on the brass for clock gears, best choice is the C353 alloy, or may be under different numbers in different countries.

derekwarner:
Guys.....

Some 25 years ago, I found this at a Tobaccoinst/Gift Shop at Adelaide Airport.......two Size D cells power a quartz-controlled motor and the clock keeps perfect time for about 8 months, the cells then need replacing :killcomputer:

The gear train includes some 38 gears from 20 diameter to 180 diameter

I know the gears are plastic, however prior to retirement, over the years it has been a talking point for literally hundreds and hundreds of visitors to my work office

Derek 

AlexS:
Thank you Kim.

When self building / designing you have have the opportunity to make it how you envision it yourself. For me this is also a project to learn to make a stepper driven mechanics (1 axis cnc (?)). It's more a machine that tells and show the time.

On a different dutch forum about cnc I also show this project, could ask about details of the stepper and driver related questions. There I got inspired to rotate a clock by a ratchet and solenoid. Or on youtube a ratchet wheel and servo push setup. Interesting to build a more simple version outside on a wall of in the garden.

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