[CW] One of these is a Vibroplex jewel the other isn't

[D.J.J. Ring, Jr.]

Probably he is on this list. I am ashamed a name I thought I'd never forget
has evaporated from my glacial memory.

73

DR

On Fri, May 13, 2022, 3:12 PM D.J.J. Ring, Jr. <n1ea at arrl.net> wrote:

> It's a VibroKeyer modified to be a sideswiper. A friend made the finger
> piece out of dark brown wood, countersunk a hole for the unusual (to me)
> two dimpled flat fastener and gave me a two pronged screwdriver to remove
> it. Do you know the name of such two dimpled fasteners?
>
> 73
>
> DR
>
> On Fri, May 13, 2022, 1:58 PM Edward T. Tanton <n4xy at comcast.net> wrote:
>
>> Beautiful key David!!!
>>
>>
>>
>> *From:* cw-bounces at mailman.qth.net [mailto:cw-bounces at mailman.qth.net] *On
>> Behalf Of *D.J.J. Ring, Jr.
>> *Sent:* Thursday, May 12, 2022 10:11 PM
>> *To:* CW Reflector
>> *Subject:* Re: [CW] One of these is a Vibroplex jewel the other isn't
>>
>>
>>
>> Hi Walter,
>>
>>
>>
>> The two bugs Deluxe and Standard are wired in today's versions - the 1948
>> to 1980 version of the Deluxe had an additional braid wire from the base of
>> the frame to the lever arm - it bypassed the non-conducting jeweled
>> bearings.
>>
>>
>>
>> If one is Deluxe, it has a jeweled bearing and the cup is round and has a
>> reddish jewel at the base, the trunnion pin is shaped like an elbow to fit
>> it.
>>
>> The Standard Vibroplex has sharp but rounded pins - you can see both
>> here. http://www.vibroplex.com/techdocs/jeweled_movement_faq.pdf
>>
>>
>>
>> Note the reddish color in the 3rd picture.
>>
>>
>>
>> My photography was going to show you what happens when the old
>> style adjustable top screw (as they originally had in 1948) is used and
>> someone tightens up on the screw - the jewel breaks.
>>
>>
>>
>> I had a good photo of the remains of the reddish jewel but it just fell
>> out so all I had on my first message was the shape of the jeweled bearing
>> housing. Just the housing except for a hint of the red jewel in the center.
>>
>> [image: 20220512_1950056.jpg]
>>
>>
>>
>> Here's what tke key looked like before.
>>
>>
>>
>> [image: n1ea_vibrokeyer_ssk_3.jpg]
>>
>>
>>
>>
>>
>> The key is now upgraded to the correct top part.
>>
>>
>>
>> 73
>>
>> DR
>> ______________________________________________________________
>> CW mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/cw
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:CW at mailman.qth.net
>> CW List ARCHIVES: http://mailman.qth.net/pipermail/cw/
>> Unsubcribe send email to
>> cw-unsubscribe at mailman.qth.net
>> Subscribe send email to cw-subscribe at mailman.qth.net
>> Support this email list: http://www.qsl.net/donate.html
>>
>> =30=
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/cw/attachments/20220513/2d326aca/attachment.html>