Cirrus CS-63 - Low Profile Retract Servo

Specifications

Source: Most data comes from the manufacturer but some data is sourced from our loyal community.

Last Updated:	2025-08-04
Modulation:	(add)
Torque:	4.8V: 90.00 oz-in (6.48 kg-cm)
Speed:	4.8V: 0.17 sec/60°
Weight:	1.23 oz (34.9 g)
Dimensions:	Length:1.73 in (43.9 mm) Width:0.90 in (22.9 mm) Height:1.00 in (25.4 mm)
Motor Type:	(add)
Gear Type:	(add)
Rotation/Support:	Single Bearing
Rotational Range:	180°
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued Cirrus CS-63 is a powerful, high-torque analog standard-sized servo, designed to deliver significant strength for demanding applications. It is a robust and reliable workhorse, engineered to provide the muscle needed for the primary flight controls of .60 size and larger sport aircraft, and as a powerful steering servo for 1/10 scale monster trucks. The CS-63 features a strong motor and a durable gear train capable of handling high loads, making it a trusted choice for hobbyists who need a servo that can deliver consistent, powerful performance.
The identity of the CS-63 is its straightforward strength and reliability. It provides the torque needed to move large control surfaces with authority or to turn big, heavy tires with ease. It is a servo that gives pilots and drivers a solid, confident feel, knowing their control system has the power to handle the application. It has a long-standing reputation as a dependable, high-torque servo that offers excellent performance for its price.
In the world of robotics, the CS-63 is a great choice for projects that require a significant amount of power from a standard-sized actuator. It is well-suited for building a strong robotic arm, a powerful gripper, or for the main drive joints on a medium-sized walking robot. For students and hobbyists who are tackling more ambitious projects that require moving heavier loads, the CS-63 provides the necessary muscle in a reliable and affordable package.