It depends on where you are in the world. The MotoZ unit is just as good as Racetorx and easily available in North America. Racetorx is an easier solution in the UK or EU.
It depends on where you are in the world. The MotoZ unit is just as good as Racetorx and easily available in North America. Racetorx is an easier solution in the UK or EU.
Not that I've seen off the shelf for the Starvarg yet — most dual setups seem custom-fabricated or adapted from Racetorx kits.
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My go-to for precision motion: The Nema 23 stepper motor. A reliable workhorse.