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Home > Classifieds > Astromart Classifieds > Mounts - Equatorial > Classified #148589

For Sale: 9" Mathis drive gear

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Mathis 9 3/8" diameter, 221 tooth anodized aluminum gear, 1/2" thick with 4" bore.
There is no clutch. The gear is engraved with hours and 5 minute marks. The 1-1/8"
diameter worm has a 1/2" shaft and is mounted in a heavy duty bracket with end play
adjustment. The synchronous 120 VAC motor drives the worm through a 20 to 65
reduction spur gear set. The drive rate is sidereal at 1436 minutes. Everything is in very
good condition. $275 plus shipping

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