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Technical Specifications
Last Updated: 2026-09-14Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| 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
|
| 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
|
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 0.45 oz12.7 g |
| 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 |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | 3 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1520 µs |
| Dead Band | (add) |
| Refresh Rate | 333 Hz |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | Futaba J |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
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.
Performance Analysis
| Shaft Power | 0.24–0.43 W |
| Torque Density | 0.8189 oz-in/g Stronger than 2% of the 239 Digital Micro servos in the database |
| Torque-to-Volume Ratio | 21.94 oz-in/in³ Denser torque than 3% of the 241 Digital Micro servos in the database |
| Power Density | 0.904 W/in³ More power-dense than 13% of the 545 Digital Micro servos in the database |
| Speed-to-Weight | 0.98425 (1/sec·g) Faster than 72% of the 239 Digital Micro servos in the database |
| Speed-Torque Trade-off | 0.83 Better balanced than 6% of the 241 Digital Micro servos in the database |
| Torque Gain per Volt | 28.04%/V More voltage-responsive (torque) than 94% of the 193 Digital Micro servos in the database |
| Speed Gain per Volt | 27.78%/V More voltage-responsive (speed) than 94% of the 195 Digital Micro servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 42% of the 407 Digital Micro servos in the database |
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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