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Home > Classifieds > Astromart Classifieds > Telescope Making > Classified #233794

For Sale: Pair of Nippon Pulse Motors [SOLD]

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Nippon PF42-4813G
20 Ohms per Phase
315mA per Phase
1:30 gear ratio

These are NEMA-17 unipolar motors with 6 leads and 48 steps per revolution. The gear box gives you 1440 steps per revolution.

These motors would be perfect to Bartelize your Vixen Super Polaris, Great Polaris, or any of the Chinese clones. I’ve already got these motors mounted on CG-5 brackets so they are a bolt on for this mount. These motors have 5mm shafts so are ideally sized to use Vixen or CG-5 gears.

The motors have 5 pin DIN connectors attached and can be driven directly by Vixen’s original Sky Sensor Computer. If you’re interested in a Sky Sensor I, I’ve got one of those also.

One of the motors has some surface rust on the outside case. Internal gears are clean and well lubed. Both motors run fine.

2-Pulse Motors
RA and DEC CG-5 brackets
2-5 pin DIN connectors

Reduced to $30 shipped.

PayPal preferred. Money Order or Personal Check OK (Motors shipped when check clears)


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