[GreenKeys] A model 28 reperforator as a start?

[Nick England]

It appears to be a 5-level machine which uses 11/16" tape and regular
Underwood 1/2" ribbon. The biggest issue about printing is the plastic
print hammer head that has disintegrated on 90% of the machines it seems.
Early units used a steel-headed hammer. There are no plastic head
replacements available. But from the photo it looks like it was printing
the correct "blank" marks (something like //) between the sprocket feed
holes so printing may be OK.

Some notes from looking at the eBay listing -
This is not a TT-192A/UG which is a miniature unit with smaller motor and
the tape reel on top rather than the side. It appears to be a commercial
28ROTR rather than a military one (which would be gray).

It has a fully-perforated punch, but no vacuum and chad bag assembly which
means it will spit chad out the bottom (and pile chad up above the punch
holes which always causes me a pain when trying to insert a new tape).

It has a 3-speed gear shift which is *probably* 75wpm, 100wpm, and 60wpm -
but I can't tell from the photos. I guess your AC mains freq converter
could adjust it to 66wpm for I-Telex, but I have no experience with that.
Best to ask for a photo of the gearshift - maybe you'll get lucky!

The price seems high to me, but I am spoiled having gotten many machines
for free or the cost of shipping - Many Thanks to Greenkeyers!

The description document is here -
http://www.navy-radio.com/manuals/tty/246B-6402.pdf

Good luck & Have Fun
Nick England K4NYW
www.navy-radio.com

On Tue, Aug 28, 2018 at 2:18 PM, E. Groenenberg <ed at groenenberg.net> wrote:

> Hello Everybody.
>
> I did find this little gem on ebay, and I'm thingking on buying it.
> Now, I live in Europe, so frequence and voltage are different.
> Not a real problem, as a step down transformer will solve the voltage,
> and a frequence converter will do the rest.
>
> But I would like to know what kind of paper tape it uses (the same
> as the papertype used in regular telex machines?
> And what about the ribbon, just standard underwood type?
> Last but not least, would this work with i-telex as well?
>
> The link I got from the vendor showing the machine working:
>   https://youtu.be/5US-sZNg86Q
>
>
> Thanks,
>
> Ed
> --
> Ik email, dus ik besta.
>
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