[GreenKeys] M28 gears and typebox

[John]

See if the fiber is 44 teeth.  That would make it 158006

John, W9DDD

> On Nov 23, 2023, at 2:33 PM, Nick England <navy.radio at gmail.com> wrote:
> 
> And there is a 96 tooth 45 baud gear for the LAK base. 159279. So maybe for printer and not for TD. I dunno about the fiber gear though. 
> https://www.navy-radio.com/manuals/tty/14_15_28%20GEARS.pdf
> 
> 
>> On Thu, Nov 23, 2023 at 3:08 PM Nick England <navy.radio at gmail.com> wrote:
>> Definitely contact him and ask for part numbers. There is a 96 tooth 45 baud gear used in one of the triple TD bases. See
>> https://www.navy-radio.com/tty/tty-td-gears.htm
>> So maybe not useful for a regular TD. 
>> 
>> 
>>> On Thu, Nov 23, 2023 at 2:29 PM Stan Voynick <svoynick at selmar.com> wrote:
>>> Thanks for the note, Nick!
>>>  
>>> Did anyone else do a screen grab and try to estimate the teeth on the nylon driven gear? (I agree - seems like a TD gear...) 
>>>  
>>> I drew some dividing lines and tried to count the teeth in two semi-circles - from 12:00 to 6:00 and from 9:00 to 3:00, and both of those semi-circle estimates were 48 teeth, i.e. 96 total. 
>>>  
>>> Problem is, I don't see 96 on the chart of driven gears for the M28 TD!  maybe I drew poor lines and I'm off by a count ... there are entries in teh manual for 94 and 98 teeth, but those are 75 and 67 WPM gears, respectively.
>>>  
>>> 73,
>>>  - Stan
>>> WB7RPG 
>>> 
>>>> On 11/23/2023 9:45 AM PST Nick England <navy.radio at gmail.com> wrote:
>>>>  
>>>>  
>>>> Not mine, I know nothing, etc. 
>>>> Looks like maybe 60wpm gears for a KSR and for a TD.
>>>> But you better check the part numbers...
>>>>  
>>>> https://swap.qth.com/view_ad.php?counter=1664915
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