[time-nuts] A Time-Nut's Worst Nightmare

Bob Camp lists at rtty.us
Sun May 12 11:08:04 EDT 2013


Hi

The one's I have seen are indeed set up for single direction. That doesn't mean there isn't a way to trick them. I've not dug into the specifics since the mid 70's.

Bob


On May 12, 2013, at 10:17 AM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:

> In message <137C256A-D0E4-4C67-A49F-3D4A15DED38E at rtty.us>, Bob Camp writes:
> 
>> I really think that a bi-directional drive on the thing would be the way to
>> go. Let the seconds go forward and back 
> 
> Such clock mechanisms are basically stepper-motors.  However, they may
> be two-pole which are mechanically restricted so they can go only
> one direction.
> 
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe    
> Never attribute to malice what can adequately be explained by incompetence.



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