[GreenKeys] model 15 gear identification?

[Ralph Mowery]

The sync motors are usually 1800 rpm and the governed motors are 2100.

There may be some 1500 and 1800 rpm governed motors around also.

Also the gears can be either left or right hand.


----- Original Message ----- 
From: "Roy Morgan" <k1lky at earthlink.net>
To: "Steve" <zarco at sonic.net>; <greenkeys at mailman.qth.net>
Sent: Sunday, June 16, 2013 10:45 AM
Subject: Re: [GreenKeys] model 15 gear identification?


>
> On Jun 16, 2013, at 9:26 AM, Steve <zarco at sonic.net> wrote:
>
>> Roy,
>> I was able to identify the gear set from your list. They are for a model 
>> 14
>> running at 75 wpm with a motor speed of 2100 RPM.
>
> Steve,
> copy to list
>
> I get confused between Model 15 and 14.  I guess the "14" is tape 
> equipment like typing reperforator and 15 is page printer with our without 
> keyboard.
>
> I wonder what motors ran at 2100 RPM.  Seems to me that most of them are 
> 1800 rpm but I'm not sure.
>
> I wonder if an 1800 rpm motor would run the machine correctly or close 
> with those gears.
>
> 18/21 x 75 =  64.3 wpm
>
> Maybe a governed motor would be adjustable down to 60 wpm.
>
> Roy
>
>