[Milsurplus] Whazzit? Ring Capacitors?

[Bob kb8tq]

Hi

New one on me as well. I’d bet they go on a rotating shaft. Quite possibly part of a DC motor or a derivative of one. Might 
be the motor start cap for a 400 Hz AC motor….. 

Bob

> On May 10, 2024, at 4:44 PM, Facility 406 <facility_406 at bruteforcedevelopment.com> wrote:
> 
> On 5/10/2024 11:28, Nick England wrote:
>> Photo at the bottom of this page
>> https://www.navy-radio.com/tty/wu-2504/index.htm#mystery <https://www.navy-radio.com/tty/wu-2504/index.htm#mystery>
>> Looks like they are marked 1.00 MFD 100v underneath the wax. Appear to be copper foil sandwich? about 1.5" dia.
> I've never seen one, but the design, leads, material, labeling, suggests a capacitor.
> 
> Kurt
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