Servo Specs, Reviews, & Comparison Tool
Expert SL571 - Hi Torque Standard Servo
Specifications
| Last Updated: | 2025-08-06 |
| Modulation: | (add) |
| Torque: |
4.8V: 62.00 oz-in (4.46 kg-cm) |
| Speed: |
4.8V: 0.21 sec/60° |
| Weight: | 1.35 oz (38.3 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 SL571 is a high-performance digital servo in a standard size that is specifically tuned for high speed. It combines the advanced precision of a digital controller with a motor and gear system optimized for velocity, all built to the high-quality standards of the Expert brand. This servo is a specialized tool for competitive applications where reaction time is everything. It is a premier choice for tail rotor control on large 600 and 700-class helicopters, where its incredible speed provides a perfectly locked-in, professional-level tail. It is also an elite steering servo for 1/10 scale touring car racing on high-grip surfaces.
- The essence of the SL571 is its professional-grade speed and responsiveness. The digital controller provides an immediate, high-fidelity response to stick inputs, and the high-speed motor system translates those signals into movement with virtually no lag. For a competitive helicopter pilot or car racer, this can provide a significant advantage, allowing for quicker corrections and more precise control at the limit. It is an instrument-grade component for those competing at the highest levels.
- In advanced robotics and research, the Expert SL571 is an exceptional actuator. Its combination of digital precision and extreme speed makes it ideal for high-speed, closed-loop control systems. It would be perfect for a high-speed robotic manipulator in a manufacturing setting, or for use in a scientific application like controlling a high-speed mirror in a laser system. When a project demands the ultimate in speed and precision, the SL571 delivers."
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