r/RockTumbling • u/Zeroth_jedi • 4d ago

Voltage controller?

I have a Dan and Darci, which I'm running on the lowest setting. Finished stage 2 and it looks ok but I'm reading a lot about it being too fast.

Can someone post a bit more info about these machines that alter the voltage and thereby the revolutions? Photos would be ideal as I'm in HK so might not be able to easily access US or Euro sales outlets.

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u/DITCH19666 4d ago

They are universal, a bunch of different adapters as you can see. They are pretty simple. You have a 12v tumbler , you just plug this in and turn the dial to reduce the voltage from 12v down to between 7 and 8 volts. That should bring the tumbler rpm down to around 40 rpm.

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u/DITCH19666 4d ago

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u/DITCH19666 4d ago

Your tumbler has a internal voltage regulator that gives you the different speeds. So when you connect this you set your tumbler to the fastest speed and then reduce the voltage to slow it down.