[CW] Hollow state keyer

[John]

Thanks Walter! It was considerably ditier when I got it, but it hadn't been
beaten up too badly. I did have to fabricate the paddle itself as what was
on there when I got it was a poor substitute hung on the stub of the shaft.
. Still , it hadn't been hacked on and nothing in the mechanical section
was too buggered up.

It would be interesting to know what patents they had to license from the
RCA patent pool.

John

On Thu, Jun 8, 2023 at 12:17 PM Walter - K5EST <walter.k5est at gmail.com>
wrote:

> WoW John, nice find and surprisingly it's in pretty good shape! Congrats!
>
> 73,
>
> Walter, K5EST ⚓
>
>
>
>
> On Thu, Jun 8, 2023, 9:54 AM John <johnk5mo at gmail.com> wrote:
>
>> I picked this Eldico keyer up at a recent hamfest, and did some repair
>> (rectifiers/filter caps/timing circuit) and it's working well now.
>>
>> The mechanical portion of the thing is interesting. The whole  works
>> seems to be mounted in a black resin cast housing which is then machined
>> and fitted with the paddle arm and the adjustment screws for travel and
>> centering.   While the spacing of the arms is a bit wide for my tastes, the
>> adjustment screws don't want to  budge.  I've broken enough things in a
>> similar state to leave well enough alone and use it as is, rather than
>> getting out the TorqueMaster screwdriver.
>>
>> The relay ticking away with the CW is kind of soothing!
>>
>> John K5MO
>>
>> PS: Next up: The M&M Electronics "Dah Ditter"
>>
>>
>>
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>
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