[GreenKeys] Model 19 - Motor speed setting

[Robert McConnell]

Hi Henry,

My memory is not great, particularly when thinking about events 30 years 
ago, so be warned this may not be totally accurate. All of the equipment I 
worked on was M28, and it all ran at 100 WPM. The Navy PM schedule I 
remember required monthly lubrication, a thorough checkup at least once a 
quarter, and close to a complete overhaul once a year. Even then, they 
wouldn't handle a 24/7 duty cycle for more than a couple weeks.

On board ship, we let each printer rest at least 8 of every 24 hours. And 
we turned them off whenever we could. During the three years I was there, 
we did not replace any of those printers, but each of them had significant 
repair records. I would guess that I replaced about 5% of the moving parts. 
ASR sets were used a lot less, normally only four to six hours per 24. They 
required fewer repairs, but more frequent adjustments, particularly the 
keyboards and TD's.

The standard joke was that the M28 was built for 75 WPM, but the Navy found 
it could survive for a while at 100 before it tore itself apart. At 60 WPM, 
with reasonable care, they just might last forever.

Bob McConnell
Ex-NFIT, NLM

At 2/5/02 05:29 PM -0500, Henry Minsky wrote:

>I have a Model 28 machine.
>
>I never really thought about this,and I don't have much experience
>with these machines. Will a  Model 28 last longer or have less problems
>if you run it at 60 WPM rather than 100 WPM?
>
>
>
>
>At 05:24 PM 2/5/2002 -0500, you wrote:
>>At 01:41 PM 2/5/02 -0800, you wrote:
>>>how much for sync motors Ton, and how much for
>>>fny gov onces you hae?  have any non 60 wp, gears?
>>
>>
>>John,
>>
>>Do not run a Model 15 at 100 WPM.
>>It will smash itself to pieces.
>>Get a Model 28 for that.
>>
>>Roy
>>
>>
>>- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
>>7130 Panorama Drive, Derwood MD 20855
>>Home: 301-330-8828 Work: Voice: 301-975-3254,  Fax: 301-948-6213
>>roy.morgan@nist.gov --