[GreenKeys] tuning fork frequency?

[David Ross]

Thanks for the help with the Teletype tuning fork question.

I believe that 120VPS is the correct number for a Model 28, the 87.6VPS 
number is for a Model 15.

The LED/resistor wired across the AC line is an ingenious idea.

Dave Ross    N7EPI



David Ross wrote:
> What tuning fork should I use to check the speed of a Model 28 KSR motor?
>
> thank for the help
> Dave Ross    N7EPI
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