Servo Specs, Reviews, & Comparison Tool
Cirrus CS-301 - Standard Micro Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | (add) |
| Torque: |
4.8V: 21.00 oz-in (1.51 kg-cm) 6.0V: 25.00 oz-in (1.80 kg-cm) |
| Speed: |
4.8V: 0.15 sec/60° 6.0V: 0.12 sec/60° |
| Weight: | 0.30 oz (8.5 g) |
| Dimensions: |
Length:0.90 in (22.9 mm) Width:0.50 in (12.7 mm) Height:0.80 in (20.3 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-301 is a dependable, standard-sized analog servo that has earned a reputation as a solid all-around performer. It is designed to be a versatile workhorse, suitable for a wide range of applications in both RC aircraft and surface vehicles. The CS-301 offers a good balance of torque and speed, making it a popular choice for the flight controls on .40 to .60 size trainer and sport airplanes. It is also a very capable steering or throttle servo for 1/10 scale cars and trucks. It uses a durable gear train and reliable electronics to provide smooth, consistent performance for everyday hobby use.
- The CS-301 is best known for its excellent value and reliability. It provides the power and performance needed for a huge variety of common RC applications at a very affordable price. It is a favorite among club-level pilots and sport-level drivers who need a trustworthy servo that won't let them down. It is a straightforward, "no-frills" component that simply does its job well, which is why it has been a staple in the Cirrus lineup and in hobbyists' workshops for years.
- In robotics, the CS-301 is a fundamental building block for larger projects. Its standard dimensions make it easy to design around, and its balanced performance makes it a practical choice for a multitude of tasks. It is strong enough to be used in the limbs of a medium-sized robot and fast enough for most basic manipulation or mobility applications. For students, educators, and hobbyists, the CS-301 is a cost-effective and reliable choice for bringing larger robotic creations to life.
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