Servo Specs, Reviews, & Comparison Tool
Blue Arrow S03612 - Sub-Micro High Speed Servo
Specifications
| Last Updated: | 2025-08-04 |
| Modulation: | Analog |
| Torque: |
4.8V: 3.75 oz-in (0.27 kg-cm) 6.0V: 4.86 oz-in (0.35 kg-cm) |
| Speed: |
4.8V: 0.10 sec/60° 6.0V: 0.09 sec/60° |
| Weight: | 0.14 oz (3.9 g) |
| Dimensions: |
Length:0.77 in (19.6 mm) Width:0.34 in (8.6 mm) Height:0.98 in (24.9 mm) |
| Motor Type: | (add) |
| Gear Type: | Plastic |
| Rotation/Support: | (add) |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | JST 1.5mm |
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Notes
- The discontinued Blue Arrow S03612 is a purpose-driven model in the 3.6-gram analog servo family, distinguished by its focus on enhanced holding power and torque. This servo is engineered to provide extra muscle, making it the ideal choice for models that place higher loads on their control surfaces. This includes faster park flyers where airspeed increases aerodynamic pressure, or small gliders and flying wings that have larger-than-average control surfaces (elevons). In these situations, a standard servo might struggle to hold its position, leading to control surface "blowback" and a mushy, imprecise feel. The S03612 is designed specifically to overcome this, using a gear ratio that favors strength to ensure the control surface stays exactly where the pilot commands it.
- The key benefit of this servo is the solid, connected feel it provides to the pilot. By effectively resisting external forces, it leads to a much more precise and stable flight experience. The aircraft tracks more accurately and feels more responsive because there is no slop or give in the control system. This inspires confidence, particularly when flying in windy or turbulent conditions, and allows the pilot to fly with greater precision. It’s the perfect solution when a little extra strength is needed without adding the weight of a larger servo class.
- In robotics, this quality of holding position under load is extremely useful. The S03612 is a great actuator for applications that must maintain a set position against an external force. For example, it would be an excellent choice for a robotic locking mechanism, a small gripper that needs to hold an object securely without letting go, or for the critical hip or knee joints on a small walking robot that must support the robot's weight while standing still.
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