[GreenKeys] Baud rate change

[John, W9DDD]

I have to question that the 2,000 RPM motor is synchronous.  Therefore 
it is likely a governed motor which could be adjusted down to 1800 RPM.

Where's Henning, he is probably an expert on this if you can provide 
more details on the EU machine?

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The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD

On 9/1/2021 7:08 AM, steve bennett via GreenKeys wrote:
> Joe,
> 
> The easiest way to change the speed is use a single phase variable speed 
> inverter.
> This would require no modification to the teletype.
> https://www.ebay.com/itm/121462713601?hash=item1c47bded01:g:HP4AAOSw8lxg7UK2
> 
> This device takes 60Hz input and you set the output to any frequency you 
> like.
> 
> -Steve
> 
> 
> On Tuesday, August 31, 2021, 10:13:45 PM EDT, Joe Duszyński 
> <joeduszynski1 at gmail.com> wrote:
> 
> 
> I have a European machine that runs on 220v 50hz and the motor speed is 
> 2000 rpm.
> Of course on 60hz 220v it runs faster than 2000 rpm  I'm looking to 
> change the motor to a DC motor but would also like to change the baud 
> rate in the process to 45.5 vs the 50 it "was set at" the gear ratio 
> appears to be 5 to 1  five revolutions of the motor to 1 rev of the 
> transmitter/receiver shaft.
> Can this be accomplished by using an 1800 RPM motor vs 2000 RPM??
> 
> This is the calculation I used to come up with 1800 RPM
> 22ms * 7.5 bits = 165ms
> 60000ms(in 1 minute)/165ms = 363.6363 RPM
> 363 RPM X 5(1:5gear ratio) =1818 RPM
> 
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