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- Cirrus Servos
- CS-4.4
Cirrus CS-4.4 - Ultra Micro Servo
Specifications
Source: Most data comes from the manufacturer but some data is sourced from our loyal community.
Last Updated: |
2025-08-04 |
Modulation: |
Analog |
Torque: |
4.8V: 15.60 oz-in (1.12 kg-cm)
|
Speed: |
4.8V: 0.12 sec/60°
6.0V: 0.10 sec/60°
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Weight: |
0.16 oz (4.5 g) |
Dimensions: |
Length:1.10 in (27.9 mm)
Width:0.29 in (7.4 mm)
Height:0.62 in (15.7 mm)
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Motor Type: |
(add) |
Gear Type: |
(add) |
Rotation/Support: |
Bushing |
Rotational Range: |
(add) |
Pulse Cycle: |
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Pulse Width: |
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Connector Type: |
(add) |
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Brand: |
 |
Product Number: |
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Discontinued? |
Y |
Typical Price: |
34.99 USD |
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Notes
- The discontinued Cirrus CS-4.4 is an incredibly lightweight and compact pico-class analog servo, designed for the most discerning builders of indoor and micro aircraft. Weighing in at a mere 4.4 grams, it is a highly specialized component for applications where every tenth of a gram matters. The CS-4.4 is the perfect choice for small indoor 3D foamies, slow flyers, and the ailerons on small hand-launch and discus-launch gliders (DLGs). It provides smooth, reliable control with a minimal impact on the model's all-up weight, which is essential for achieving the best possible flight performance in these weight-critical disciplines.
- The essence of the CS-4.4 is its remarkable efficiency in terms of weight and size. It provides a good balance of speed and power for its tiny dimensions, and its low current draw is ideal for extending flight times on small battery packs. For the competitive DLG pilot or the indoor aerobatics enthusiast, the CS-4.4 is a trusted tool that helps them achieve their performance goals. It is a servo that embodies the "less is more" philosophy, providing just the right amount of performance in the smallest possible package.
- For the robotics hobbyist interested in exploring the frontiers of micro-robotics, the CS-4.4 is an invaluable component. Its feather-light weight and small footprint make it ideal for creating intricate, lightweight mechanisms. It is an excellent actuator for the limbs of an insect-inspired robot, the control surfaces of a micro-ornithopter, or for adding animation to a small-scale model. When a project demands motion without a significant weight penalty, the CS-4.4 provides an elegant solution.
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