[GreenKeys] Stunt box experts?

[John, W9DDD]

Thank you Tom and Jerry,  I should have enough info now.  It is most 
likely what I have are the 152653.  When I finished the inventory I'll 
see if I even have any of the other two.

John, W9DDD

On 11/2/2019 3:52 PM, Jerry Murphy wrote:
> 
> 
> 
> 
> The 152653 function pawl is the most common one and it most likely what you
> have.  The other two function pawls you mention are rarely used.  They are
> used in unique situations where it is possible for either of two adjacent
> function bars to operate a single function lever.  Go to this link and look
> at page 4:
> 
> http://www.samhallas.co.uk/repository/telegraph/teletype_28_tech_data.pdf
> 
> Note that the 152653 function pawl is incorrectly identified as a 153653
> function paw.  The 153604 function pawl has a longer arm enabling it to
> operate the function lever in its own slot and the function lever in the
> adjacent higher numbered slot.  The 153598 function pawl has its arm
> modified so as to provide clearance for the longer arm of the 153604 function
> pawl.  The 153598 function pawl is mounted in the higher numbered slot.
> 
> Go to this link and look at page 13:
> 
> http://navy-radio.com/manuals/tty/dc/28_stunt_Box001.pdf
> 
> The pawls are identified as standard, special and accessory.  The standard
> pawl is the 152653 pawl.  The special pawl is the 153604 pawl and the
> accessory pawl is the 153598.
> 
> Jerry Murphy
> 
> 
> 
> 
> 
> -----Original Message-----
>> From: "John, W9DDD" <w9ddd at tapr.org>
>> Sent: Nov 2, 2019 11:12 AM
>> To: Green Keys <greenkeys at mailman.qth.net>
>> Subject: [GreenKeys] Stunt box experts?
>>
>> I find I have an envelope of about 40 function pawls.  Looking at the
>> parts pictures, I can't tell the difference between 3 choices for part
>> number.
>>
>> The three possibilities are:
>> 152653,	153598 or 153604
>>
>> The notes mention a relationship to 1, 2 or 3 stop clutches.
>>
>> (The more I dig, the less I know).
>>
>> -- 
>> John, W9DDD
>