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

[Dan Provost]

Most weather offices ran 24/7 so the paper was almost always kept torn off the machines and filed on hanging clipboards based on types of reports.  Pilots would walk in and read the data off the clipboards they were interested in.  For offices that closed at night we had motorized pickup spools and we would wrap enough paper to get the tension going.  Then the morning crew would undo the spool and start tearing and filing on the clipboards.  We used yellow single ply roll paper but sometimes we'd get a wrong shipment of double ply rolls and we'd just through the back copy away as it printed. Probably cheaper than shipping back.

Also for some circuits, we used the same kind of timers you see for swimming pool pumps (like Intermatics I believe)--heavy duty.  And the M28s would turn on and off when the wheel reached the time....mostly to avoid unwanted data.

Ah yes the good old days.....finding data wasn't always easy.



> On Apr 5, 2016, at 11:29 PM, Eric <epvgk at limpoc.com> wrote:
> 
>> 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?
>> Ed#  www.smecc.org
>> 
>>  
>> Southwest Museum Of Engineering, Communications and ...
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