Servo Specs, Reviews, & Comparison Tool
Align DS620 - Digital Servo
Specifications
| Last Updated: | 2025-08-03 |
| Modulation: | Digital |
| Torque: |
4.8V: 111.10 oz-in (8.00 kg-cm) 6.0V: 138.90 oz-in (10.00 kg-cm) |
| Speed: |
4.8V: 0.09 sec/60° 6.0V: 0.07 sec/60° |
| Weight: | 1.84 oz (52.2 g) |
| Dimensions: |
Length:1.64 in (41.7 mm) Width:0.82 in (20.8 mm) Height:1.47 in (37.3 mm) |
| Motor Type: | Coreless |
| Gear Type: | Titanium |
| Rotation/Support: | Dual Bearings |
| Rotational Range: | (add) |
| Pulse Cycle: | (add) |
| Pulse Width: | (add) |
| Connector Type: | (add) |
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Notes
- The discontinued Align DS650 is a specialized, ultra-high-speed digital servo purpose-built to deliver uncompromising tail rotor performance for 600 and 700-class helicopters. With a blistering transit time of 0.048 seconds, this servo is engineered for one primary mission: to provide the instantaneous response necessary for a rock-solid tail hold in the most demanding 3D and precision flight maneuvers. Its incredible speed allows it to react instantly to commands from the gyro, making corrections with a speed that virtually eliminates tail wag and provides a locked-in, authoritative feel. The heart of the DS650 is a high-performance coreless motor, which provides the rapid acceleration and immediate direction changes required to keep the tail perfectly still during aggressive collective pitch changes and fast backwards flight. This level of performance is critical for competitive pilots who require the utmost in precision and control.
- To ensure this phenomenal speed is delivered with unwavering reliability, the DS650 is built with a robust infrastructure. A hardened, high-strength superalloy gear train ensures durability and a long service life, even under the constant, high-frequency movements of tail control. The aluminum alloy mid-case not only adds structural rigidity but also acts as a heat sink, effectively dissipating heat to maintain the servo's high efficiency throughout an entire flight. Featuring a 12-bit, 4096-resolution signal processor, the DS650 translates digital commands into incredibly smooth and precise movements, further enhancing its accuracy. For the serious helicopter pilot seeking the pinnacle of tail rotor performance, the Align DS650 is a legendary servo that has proven its mettle in countless competitions, a true benchmark for speed and precision.
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