On 29/09/2025 03:55, Harold Hallikainen via GreenKeys wrote:
> Does the line frequency make any difference? We are going for the same RPM
> no matter what the line frequency. So, I suspect the same tuning fork
> would be used anywhere (for the same bit rate).
>
> Most of my stuff has synchronous motors, but one is governed, but I have
> not had to touch it.

I have done a lot of fiddling with Creed machines with governed motors
and found that a small optical tacho such as this:-

https://ebay.us/m/RKD3ol

is a great aid to setting the speed.


> Harold
> https://w6iwi.org


Dave
G4UGM

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