Hello Paul,
You will still need to power the clock by winding it up when required.
The pendulum does not drive the clock, it regulates how the power is
allowed to escape from the driving force through a mechanism called the
escapement.
As far as regulation goes the traditional was is to fis a soft Iron pole
piece to the pendulum about a quarter of the way down from the
suspension and mount a coil of wire adjacent to this such that the pole
piece enters the coil on the excursion of the pendulum. The control
mechanism inserts a current through the coil in 100 micro amp steps to
bring the clock to time. The best way to monitor the timekeeping is by
using an optical detector and feeding the result back into the coil.
There will still be variations from second to second because of
escapement error so it would be best to start with a clock using a dead
beat escapement or better.
Enjoy the experiment.
Regards
Peter
On 11/03/2021 02:28, paul swed wrote:
Like you all, I have always thought it would be fun to mess with a
pendulum clock. Since I have one already what stands in the way? Well my
Wife might think very differently about a few screws and wires in that
clock. At the other end of the spectrum is Bill S. beautiful clocks he has
built. Not going to be anything like that. So will have to settle for a
magical deal some day. Though for now Fleas and other gatherings are out.
I was wondering about winding the clock. And I see its still needed. I had
thought by driving the pendulum the clock would not need the drive weight.
Am I wrong about that? Or simply they are two different and separate issues.
Want to thank Gerald for sharing what he did and starting a great thread.
Regards
Paul
WB8TSL
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