Servo Specs, Reviews, & Comparison Tool
Expert SL561 - Hi Speed Standard Servo
Specifications
| Last Updated: | 2025-08-06 |
| Modulation: | (add) |
| Torque: |
4.8V: 47.00 oz-in (3.38 kg-cm) |
| Speed: |
4.8V: 0.18 sec/60° |
| Weight: | 1.50 oz (42.5 g) |
| Dimensions: |
Length:1.51 in (38.4 mm) Width:0.73 in (18.5 mm) Height:1.37 in (34.8 mm) |
| Motor Type: | (add) |
| Gear Type: | (add) |
| Rotation/Support: | Single Bearing |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Expert SL561 is a powerful, high-torque digital servo in a standard-size package, designed to deliver both immense strength and the high precision of a digital controller. As a component from the high-quality Expert brand, it is aimed at the serious hobbyist who needs a powerful and highly reliable actuator for demanding applications. The SL561 is an outstanding choice for the steering systems of 1/8 scale off-road vehicles, where its massive holding power and digital precision provide superior control. It is also an excellent choice for the primary flight controls on large, powerful .90 to 1.20 size aerobatic and scale aircraft.
- The character of the SL561 is its powerful and intelligent performance. The digital controller provides a locked-in, solid feel with ferocious holding power, which is essential for maintaining control under the extreme loads of off-road racing or giant-scale aerobatics. The high-quality gear train and motor, hallmarks of the Expert brand, ensure that this performance is delivered smoothly and reliably. It is a servo that inspires the ultimate confidence in the most challenging situations.
- For robotics engineers, the Expert SL561 is a superb choice for heavy-duty applications that also require precision. It is ideal for the primary joints of a large, fast, and accurate industrial robotic arm, or for the steering system on a large, heavy autonomous vehicle where precise navigation is key. It brings a professional level of power and precision to ambitious robotics projects."
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