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Re: G11 RA motor is stalls when tracking but not when slewing


 

Brendan's point of "motor drive energy is low" made me also think of this to check:

Make sure you are using a >12v power source for the gemini. it is rated from 12-18v but ideally you want 15-18v. 12v isn't going to be enough

On Sun, Sep 22, 2019 at 4:16 PM Brendan Smith <brenatlilydale@...> wrote:

[Edited Message Follows]

It¡¯s quote possible the motor is slightly bad for whatever reason.? Try swapping motors Ra to Dec etc

the reason it¡¯s bad at sidereal (I¡¯m assuming it¡¯s a G1) is the motor drive energy delivered is low.? At higher drive rates it¡¯s provided with more energy....it moves faster. it could be a bad ¡°H¡± bridge but I doubt it.? So try swap the motors over.?

If the system is a G2, you can enter the WEB interface and select¡±servos¡± page:


In this you can increase the servo motor tracking percentage ( increase energy) to the motor.? Try increasing it a little let¡¯s say 35%


it could also be as Michael said or a slipping motor pinion gear

If it is still failing....get back?

--
Brendan



--
Brian?



Brian Valente
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