I picked up a keyboard unit of a KSR that has the manual gear shift on it from Russ Miller.  We are going to use it to convert one of the KSRs or ASRs on the USS Iowa.  It also has an answer back on it. 



Sent from my iPhone

On Mar 19, 2022, at 11:18, Ralph Irish <[email protected]> wrote:


Teletype once made an electric gearshift device.  I believe it would fit on either a KSR or an ASR,
or maybe they made two different shifts for the two machines.  I had a few friends who had the
60/75 WPM shift on their KSRs and after 'multi speed' operation was legalized, they would get on
the air and shift to75 WPM.  Seeing the switch marked 60 and 100 gives me the idea of a possible
electric gearshift.  Either that or the machine had 100 WPM gears and did the 'downshifting' via the
TTL chips on the perfboard.

Just a few wild guesses from here.

Good luck using it.  Would like to see a few more photos of the entire machine, inside and out, if
possible.

Ralph - W8ROI

-   -   -   -   -   -   -   -

From: "Paul Heller" <[email protected]>
To: "Kevin H. Phillips" <[email protected]>
Cc: "greenkeys" <[email protected]>
Sent: Saturday, March 19, 2022 1:33:06 PM
Subject: Re: [GreenKeys] Houston - 28 ASR and 28 ROTR available

Nice Kevin!
My guess is that the machine is either geared for 60WPM or 100WPM and the electronics were a speed converter  / buffer.   It could be that the loop runs through those components and you might need to rewire it to route again to the proper terminals on the terminal strip. Should not be hard to do. 

Paul
W2TTY

ITTY: HTTP://INTERNET-TTY.NET:8000/ITTY
ITTY 100:  HTTP://INTERNET-TTY.NET:8010/ITTY100

On Mar 19, 2022, at 5:27 PM, Kevin H. Phillips <[email protected]> wrote:

I was able to make contact with this nice gentleman and picked up these two machines yesterday afternoon.  I was able to coax my wife into going along to help by promising to attend a plant sale with her earlier in the day.  Collecting Teletypes often involves trade-offs, I guess.  The gentleman is a mechanical engineer who did not have an interest in the machines himself but recognized them as being marvelous works and thought they were worth saving from the trash bin.  Naturally, I thanked him profusely for saving them.


I haven't had time to examine them thoroughly but I am hopeful that the 28ASR will be "plug and play" since it is in such good shape internally.  It does not seem dried out or rusted.  It is also remarkably clean on the inside.  The keys have quite a bit of the whitish "fungus" on them.  Its background was unknown other than it apparently came from the estate of some high-ranking Naval officer.  The cabinet does seem to have a slightly more "blue" tint than the usual Western Union green.


I took a few closer pictures of the electronic boards that were "under the hood" plus the control panel.  I can't tell anything about this but my guess is that it was perhaps designed as a built-in electronic TU.  A lot of the wires (practically like hairs) have pulled loose so I doubt this can be restored to its original function and also since there's no documentation on it.  The control panel was very well done.  You can see that it seems to have had some sort of speed selector for both 60wpm and 100wpm.  The switch marked "CW" is a momentary switch so I would guess it was for CW-I.D.  On one board I can see the lettering "7490" which makes me wonder if this was frequency-specific.


I will post more pictures perhaps later today.  I have not examined the ROTR yet.


73


Kevin

W5TTY

On 3/12/2022 2:34 PM, Nick England wrote:
Some photos at

I know nothing more other than he says
" If you know of anyone who is looking for one please send this along.
  I'd even be willing to donate to a good cause."

Contact David Jochim  [email protected]

Cheers,
Nick England K4NYW
www.navy-radio.com

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