Servo Specs, Reviews, & Comparison Tool
Cirrus CS-61 - Standard Sport Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 42.00 oz-in (3.02 kg-cm) |
| Speed: |
4.8V: 0.17 sec/60° |
| Weight: | 1.75 oz (49.6 g) |
| Dimensions: |
Length:1.60 in (40.6 mm) Width:0.80 in (20.3 mm) Height:1.40 in (35.6 mm) |
| Motor Type: | (add) |
| Gear Type: | (add) |
| Rotation/Support: | Bushing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Cirrus CS-61 is a high-speed analog standard-sized servo, engineered for applications where transit time is the most critical performance metric. It is a specialized servo designed to provide a lightning-fast response. This makes it a premier choice for tail rotor control on .30 to .50 size nitro helicopters, where its speed allows it to keep up with the rapid commands from the gyro, resulting in a stable and high-performance tail. It is also an excellent choice for the rudder on a 3D airplane, where its velocity enables breathtakingly fast yaw rates and crisp snap maneuvers.
- The defining characteristic of the CS-61 is its pure, unadulterated speed. It makes a model feel incredibly agile and reactive to the pilot's inputs. For a helicopter pilot, this means clean, precise pirouettes with sharp stops. For a 3D airplane pilot, it means having the rudder authority to perform violent tumbles and other advanced maneuvers. It is a servo chosen by performance-oriented pilots who are looking to maximize the agility and aerobatic capability of their models.
- Roboticists can harness the high speed of the CS-61 for specialized, high-throughput applications. It would be an excellent actuator for a large industrial sorting robot that needs to operate at maximum speed. It could also be used to create a fast-acting mechanism on a competitive robot, such as a high-speed launching or scoring device. For any large-scale robotics project where the overall speed is limited by the actuators, the CS-61 offers a powerful and effective solution.
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