[time-nuts] Quartz assisted pendulum clock.
Dennis O'Keefe
okeefed at newpaltz.edu
Thu Jan 5 10:58:28 EST 2006
I don't have a electronic way to distribute this article, but will mail a
photocopy to the first ten people who request them directly to me at
okeefed at newpaltz.edu
There are several diagrams and tables that would make a text-only copy
useless.
Dennis O'Keefe
New Paltz, New York
> If you have an electronic copy of that I'd like to see it. I found a
> text-only version, but would like to see the original.
>
> I believe he used a TCXO. I have a small French clock that sits on a
> mantelpiece, I'd like to do that too, but getting power to it is not too
> easy. My wife is not keen on wires going to it.
>
> I did think about solar power, or powering it from the pendulum itself,
> but neither look too practical in my particular circumstances.
>
> I did wonder if its possible to put the electromagnet under the clock,
> rather than inside it, but that will probably put too much wear on the
> clock.
>
> You can probably cut down the power consumption by running the clock at
> as accurate as possible (not slow) and using a bipolar pulse, rather
> than a uni-polar one.
>
> Certainly an interesting idea.
>
> BTW, if you look at the sound produced by an old clock with a microphone
> and scope, it is far from regular. I suspect the pendulum is more so
> though.
More information about the time-nuts
mailing list