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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | NSD-RS1 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
1,200.00 oz-in
86.41 kg-cm
8.5 N-m
7.4V
1,100.00 oz-in
79.21 kg-cm
7.8 N-m
6.0V
900.00 oz-in
64.81 kg-cm
6.4 N-m
5.0V
700.00 oz-in
50.41 kg-cm
4.9 N-m
Top 10%
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
5.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Below Average
|
| Stall Current | 6.3–9.1 A6300–9100 mABottom 10% |
| Physical | |
| Weight | 3.23 oz91.5 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.524 in L 40.0 mm W 20.0 mm H 38.7 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Angle Sensor | Potentiometer |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Regulator Type | BEC |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | IP66 |
| Connectivity | |
| Wire Length | 220 mm8.66 in |
| Origin | |
| Country of Origin | USA |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Top 10% Stronger than 98% of 1060 Digital Standard servos at 5.0V |
| Speed | Below Average Faster than 30% of 1045 Digital Standard servos at 5.0V |
| Weight | Bottom 10% Lighter than 1% of 1880 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 3% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.09–22.19 W |
| Power Density | 11.744 W/in³ More power-dense than 99% of 1768 Digital Standard servos |
| Torque Density | 7.6503 oz-in/g Stronger than 96% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 370.51 oz-in/in³ Denser torque than 98% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.06831 (1/sec·g) Faster than 6% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 112.00 Better balanced than 98% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0130 A/oz-in More efficient than 59% of 331 Digital Standard servos |
| Torque Gain per Volt | 21.01%/V More voltage-responsive (torque) than 85% of 873 Digital Standard servos |
| Speed Gain per Volt | 17.65%/V More voltage-responsive (speed) than 63% of 874 Digital Standard servos |
| Voltage Range Width | 3.4 V Wider voltage range than 71% of 1560 Digital Standard servos |
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Reviews (52)
Includes 52 reviews aggregated from around the web.
There are few reviews for this servo on the web. A Reddit owner running one in an X-Maxx after years of hard use calls it impressive, saying it is fast and strong, stays cool and has held up to tough use. He compares it favorably to a previous Futaba servo that was noisy and heated up quickly.
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