[GreenKeys] how did the ap and upi teletypes motor on and off? i do not see extra stuff

[Sheldon Daitch]

Eric,


The M-15 and M-20 machines typically used fanfold paper that was in a box below the machine and fed into the printer through a slot in the rear of the cover.


Someone with a ruler and a box of that fanfold paper is going to have to help me with the exact measurements, I simply don't remember.  Well, I think it was 8.5 inches wide, maybe 18 inches for each fold and the box was about 10 inches high?

I think a box would last about a week or so, but that is a guess from a 40 year memory.

The Extel printers were usually set up for roll paper.  The roll paper was a little bit thinner, and didn't last nearly as long as a box of fanfold, but seems to me that the Extels might not have been able to pull the fanfold paper through the printer.


73

Sheldon


________________________________
From: Eric <epvgk at limpoc.com>
Sent: Wednesday, April 6, 2016 7:29 AM
To: Sheldon Daitch
Cc: COURYHOUSE at aol.com; greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] how did the ap and upi teletypes motor on and off? i do not see extra stuff


On 04/05/2016 9:18 pm, Sheldon Daitch wrote:



Ed,



to the best of my knowledge, AP M-15/20 machines in North Carolina and Georgia ran the motors 24/7.

I think to have any kind of motor controller was simply another failure point and the machines were pretty much plain jane.

Thinking about this, there really wasn't that much downtime on the usual wire circuits.  Maybe 5% of the time, the machines were in idle status?

At VOA, we did have motor controllers on the M-28s,but those machines were idle probably 18 hours per day.



73

Sheldon

A machine that was busy that much of the time must have gone through tremendous amounts of paper. Was there that much news getting sent out on the wire? Were there giant rolls of paper or did they just get changed frequently? And did it just pile up on the floor during off hours?

eric







________________________________
From: GreenKeys <greenkeys-bounces at mailman.qth.net> on behalf of Ed Sharpe Archivist for SMECC via GreenKeys <greenkeys at mailman.qth.net>
Sent: Tuesday, April 5, 2016 9:05 AM
To: greenkeys at mailman.qth.net
Subject: [GreenKeys] how did the ap and upi teletypes motor on and off? i do not see extra stuff
how did the  ap and upi  teletypes motor on and  off?  i do not see extra  stuff to so  this?
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