looking for a simple pendulum driver circuit
I just installed a quartz battery movement into a wall clock that once had a
mechanical movement. I lost the pendulum capability and I'd like to find a simple circuit that would move the pendulum with the same speed as in a normal clock. I'd like to use the same pendulum the clock used before I replaced the movement, which is 3" diameter bob and 12" long. The circuit would be best powered from a single or double C or D batteries. Anyone have any ideas or links? Thank you, Bill |
looking for a simple pendulum driver circuit
In article , "Bill M" wrote:
I just installed a quartz battery movement into a wall clock that once had a mechanical movement. I lost the pendulum capability and I'd like to find a simple circuit that would move the pendulum with the same speed as in a normal clock. I'd like to use the same pendulum the clock used before I replaced the movement, which is 3" diameter bob and 12" long. The circuit would be best powered from a single or double C or D batteries. Anyone have any ideas or links? Try this: http://www.sparkbangbuzz.com/els/magkick-el.htm I built one, and it works as advertised. Isaac |
looking for a simple pendulum driver circuit
On Friday, March 16, 2012 9:02:58 PM UTC-7, Bill M wrote:
I just installed a quartz battery movement into a wall clock that once had a mechanical movement. I lost the pendulum capability and I'd like to find a simple circuit that would move the pendulum with the same speed as in a normal clock. I'd like to use the same pendulum the clock used before I replaced the movement, which is 3" diameter bob and 12" long. The circuit would be best powered from a single or double C or D batteries. Anyone have any ideas or links? Thank you, Bill Bill, you can buy quartz movements with pendulum for about $10 and they come with a pendulum stem that is cuttable to length as well as a bob. Neil S. |
looking for a simple pendulum driver circuit
On Sat, 17 Mar 2012 00:02:58 -0400, "Bill M" wrote:
I just installed a quartz battery movement into a wall clock that once had a mechanical movement. I lost the pendulum capability and I'd like to find a simple circuit that would move the pendulum with the same speed as in a normal clock. I'd like to use the same pendulum the clock used before I replaced the movement, which is 3" diameter bob and 12" long. The circuit would be best powered from a single or double C or D batteries. Anyone have any ideas or links? Thank you, Bill Check at clockparts.com Among other things, they have a quartz pendulum movement that can handle 17" hands and a 25" pendulum for $13(US) plus shipping. http://cart.clockparts.com/hightorqu...ent-p-158.html |
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