[time-nuts] Zendulum

Graham / KE9H timenut at austin.rr.com
Sat Jun 8 16:06:12 EDT 2013


On 6/8/2013 1:40 PM, Don Latham wrote:
> Neat! The path shape can be calculated to be isochronous, if I remember
> aright...
> Don
>
>
>> Hi:
>>
>> Here's a kit I just built that's a pendulum that's a metal ball powered
>> by a small solar cell.
>> Haven't done any measurements yet, but the period is about a second.
>> http://www.prc68.com/I/GeekStuff.html#Zendulum
>>
>> --
>> Have Fun,
>>
>> Brooke Clarke
>>
>>
A real "time-nut" would lock it to his GPS 1PPS output.
--- Graham

==


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