Servo Specs, Reviews, & Comparison Tool
Cirrus CS-101 - Standard Micro Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 10.00 oz-in (0.72 kg-cm) 6.0V: 14.00 oz-in (1.01 kg-cm) |
| Speed: |
4.8V: 0.11 sec/60° 6.0V: 0.09 sec/60° |
| Weight: | 0.14 oz (4.0 g) |
| Dimensions: |
Length:0.61 in (15.5 mm) Width:0.43 in (10.9 mm) Height:0.75 in (19.1 mm) |
| Motor Type: | (add) |
| Gear Type: | Plastic |
| Rotation/Support: | Bushing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Cirrus CS-101 is a high-performance analog servo in the standard size class, specifically engineered to deliver a higher transit speed compared to its torque-focused counterparts like the CS-100. While still offering respectable power, the CS-101's motor and gear ratio are optimized for velocity, making it an excellent choice for applications where a quick response is critical. A prime example is as a tail rotor servo for .30 to .50 size helicopters, where its speed allows it to work effectively with the gyro to provide a stable, responsive tail. It is also a great choice for the rudder on a 3D or pattern aircraft, enabling crisp stall turns and fast yaw rates.
- The defining characteristic of the CS-101 is its agility. It provides a noticeably quicker and more responsive feel to the controls, which can make any model feel more nimble and engaging to fly. For a sport pilot, this means a faster roll rate; for a helicopter pilot, it means cleaner and more precise pirouettes. It's a servo chosen by pilots who are looking to enhance the aerobatic performance of their aircraft and who value a sharp, immediate control response.
- Roboticists can effectively harness this speed for a variety of projects. The CS-101 would be an excellent actuator for a large sorting mechanism that needs to move quickly to divert objects. In a competitive robotics setting, its speed could be used to create a fast-acting intake or scoring device, shaving valuable seconds off cycle times. For any large-scale project where the speed of actuation is a primary performance metric, the CS-101 offers a powerful and effective solution.
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