Pinion Gear
thingiverse
The Celestron CG4 and Skywatcher EQ3-2 mounts both utilize a pinion gear system to drive their equatorial axes. This precision-crafted component ensures smooth and precise motion, allowing for accurate tracking of celestial objects. The pinion gear is typically located near the axis of rotation, where it engages with the larger gear to transfer rotational force. By adjusting the pinion gear's position or replacing it altogether, users can customize their mount's performance to suit specific observing needs.
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