[GreenKeys] Teletype Model M15 Fiber Gears

Mon, 09 Jun 2003 16:12:39 -0700

Hi folks:

Carson is trying to find out if there was any asbestos in any component of
tty machines.  He is trying to determine where his detrimental exposure to
asbestos originated, for medical reasons.

Does anyone know whether there was any asbestos used in machines,
specifically from Teletype or Kleinschmidt?

thanks,

gil

At 06:58 PM 6/9/03 EDT, [email protected] wrote:
>I'll have to agree with Dave.  The only practical reason I could come up
with 
>for making asbestos based phenolic would be for some abrasive purpose.  The 
>phenol itself doesn't have any better temperature rating than the linen,
canvas 
>or paper normally used.  And as best I recall, asbestos has very poor sheer 
>and tensil properties.  Of course, if you wanted to sell lots of replacement 
>motor gears...  :-)
>
>In a message dated 6/9/2003 5:48:05 PM Central Daylight Time, 
>[email protected] writes: 
>>   Every Model 15 mainshaft gear I've seen was machined from linen
>> phenolic -  they're all brown in color and you can see the grain of the
>> linen on the surface of the gear.
>>   Have never heard of asbestos being used in any sort of phenolic or
>> bakelite.
>> 
>> 73
>> Dave Ross    N7EPI    [email protected]
>> 
>> 
>> 
>> [email protected] wrote:
>> >
>> >Does any one on the list recall the WWII era M15 main shaft fiber gear
>> >being
>> >called asbestos fiber gear?
>> >Thanks
>> >[email protected]
>
>Robert & Susan Downs
>Houston
><[email protected]>
>
>
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