Servo Specs, Reviews, & Comparison Tool
Cirrus CS-302BB - Micro Heli Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 27.00 oz-in (1.94 kg-cm) |
| Speed: |
4.8V: 0.12 sec/60° |
| Weight: | 0.35 oz (9.9 g) |
| Dimensions: |
Length:0.87 in (22.1 mm) Width:0.50 in (12.7 mm) Height:0.80 in (20.3 mm) |
| Motor Type: | (add) |
| Gear Type: | Plastic |
| Rotation/Support: | Single Bearing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Cirrus CS-302BB is a high-quality standard-sized analog servo that significantly enhances the performance of the 300-series by incorporating a precise dual ball bearing (BB) supported output shaft. This premium feature makes the CS-302BB an excellent choice for applications where accuracy and a smooth, slop-free operation are desired. It is aimed at discerning sport pilots and club racers who want a more refined feel from their controls. It is a superb servo for the flight controls on a pattern or aerobatic aircraft, or for the steering on a 1/10 scale touring car, where holding a precise line is key to performance.
- The defining characteristic of the CS-302BB is its precision. The dual ball bearings provide a very rigid and low-friction support for the output shaft, which translates into more accurate centering and a complete lack of play in the geartrain. This gives the pilot or driver a very direct and connected feel, allowing for more precise and consistent control inputs. The enhanced durability of the ball bearing system also means that this high level of precision is maintained over a very long service life, making it a wise investment for any serious hobbyist.
- For roboticists building systems where positional accuracy is important, the CS-302BB is a superior choice. The dual ball bearing design makes it ideal for actuators that are subjected to side loads, such as a drive wheel or a cantilevered arm joint. It is also an excellent choice for building precise and stable camera platforms or any robotic mechanism where smooth motion and repeatable, accurate positioning are critical to the project's success.
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