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Nov 21, 2013, 10:34 AM
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Digital Servo Power Gearboxes

We have recently revamped our line of Servo Power Gearboxes! Our gearboxes have always been top-of-the-line and super powerful (up to 3,402 oz-in of torque!) but now offer upgraded features and a more durable construction.

For starters, all of the servo power gearboxes that use an external potentiometer are now digital rather than analog. Digital servos provide more torque, higher precision, faster response times and are fully programmable. The programmable features allow the user to tailor the servo to perfectly fit various applications.

To handle the additional torque, new 32 pitch gears now drive the output shaft. The new hub/spur gears are constructed of 7075-T6 aluminum and the servo gears are constructed of hardened brass gear-stock and broached to ensure a perfect fit on the output spline of the servo. Metal gears now come standard on all of the Servo Power Gearboxes. The new .770” hub pattern with 6-32 threaded holes has replaced the former .625” pattern to more solidly attach one of many of our available components.

In addition to these changes, the external potentiometer has been refined and is now protected by a sleek aluminum cover. The new potentiometers are much smaller than the previous models yet offer more precise positioning feedback. The updated Servo Power Gearboxes can be purchased in kit form or as fully assembled units that are ready for use. Choose from standard, continuous, or 360° rotation.

Here are some pictures of our gearboxes in the field!

50.5” Long Schooner using a ServoCity Gearbox
Rick S. mailed us these photos of his beautiful sailboat. Some specifications of his boat: 19” beam, 4’ tall mainsail, weight is 25 lbs. Rick uses a ServoCity 5:1 ratio top mount gearbox and some HS-7950TH servos.

Rich’s Sailboat - “Frisco Kid”
Rich sent us these great images of his OD Class sailboat The Frisco Kid. As you can see in the picture above, Rich uses our top mount servo power gearbox. “I want to thank ServoCity for building and selling the right equipment to get the job done, your gear box sail winch has amazing brut strength and your company has given me outstanding customer service to help me succeed in only my second year of sailboat racing.” - Rich S.

The Monster Torque Mod (2 min 59 sec)

Kris. K - "SnowDroid" Robot Application
This video shows one of our gearboxes in action. Please note, he modified the servo mounting hole in order to use the HS-7980TH Hitec servo that is slightly larger than the standard size servos. The highest torque servo we offer standard in our gearboxes is the HS-7950TH servo.

As always, if you have any questions about these gearboxes and their capabilities or use in a particular application - our techs would be happy to talk to you! [email protected] or 620-221-0123. Happy building!
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