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Technical Specifications
Last Updated: 2026-09-14| Identity | |
| Brand |  |
| Product Number | HSD42001 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
13.90 oz-in
1.00 kg-cm
0.1 N-m
4.8V
10.40 oz-in
0.75 kg-cm
0.1 N-m
Bottom 10%
|
| Speed |
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
4.8V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Physical | |
| Weight | 0.45 oz12.7 gAverage |
| Dimensions |
L 0.93 in W 0.49 in H 1.04 in L 23.6 mm W 12.4 mm H 26.4 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Connector | Futaba J |
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 | Bottom 10% Stronger than 7% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 83% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 36% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.24–0.43 W |
| Power Density | 0.904 W/in³ More power-dense than 13% of 590 Digital Micro servos |
| Torque Density | 0.8189 oz-in/g Stronger than 1% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 21.94 oz-in/in³ Denser torque than 1% of 327 Digital Micro servos |
| Speed-to-Weight | 0.98425 (1/sec·g) Faster than 71% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 0.83 Better balanced than 5% of 327 Digital Micro servos |
| Torque Gain per Volt | 28.04%/V More voltage-responsive (torque) than 93% of 268 Digital Micro servos |
| Speed Gain per Volt | 27.78%/V More voltage-responsive (speed) than 94% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 45% of 511 Digital Micro servos |
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Reviews (2)
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Paulus
December 21, 2012Application(s): Thunder Tiger E325 Tail & HK450 Tail
Comments: Have one on both my 450's, the tail locked in great and have never been lost. Been using them for about 1-1/2 years with no problems. I used to have a Futaba 9247 on my E325, which works great but these are Align servo is much cheaper.
Used the servo with a GY401 on the E325 and with a KDS800 gyro on the HK450.Ferry
April 12, 2010Application(s): for rudder at trex 450 is best, futaba s9257 not good again since align produce the servo
Comments: use w/ futaba gy401 is so lock.... awesome