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Technical Specifications
Last Updated: 2026-10-08| Identity | |
| Brand |  |
| Product Number | 102005001 |
| Category | Hobby |
| Performance | |
| Torque |
4.8V34.70 oz-in2.50 kg-cm0.2 N-mBelow Average |
| Speed |
4.8V0.05 sec/60°1,200.0 deg/s200.0 RPMTop 10% |
| Physical | |
| Weight | 0.71 oz20.0 gAbove Average |
| Dimensions |
L 1.376 in W 0.587 in H 1.185 in L 35.0 mm W 14.9 mm H 30.1 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Plastic |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 60° |
| Pulse Cycle | 3 ms |
| Pulse Width | 1500-1900 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) |
| Origin | |
| Country of Origin | China |
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 | Below Average Stronger than 16% of 262 Digital Mini servos at 4.8V |
| Speed | Top 10% Faster than 99% of 263 Digital Mini servos at 4.8V |
| Weight | Above Average Lighter than 74% of 466 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.28 W |
| Power Density | 1.341 W/in³ More power-dense than 38% of 440 Digital Mini servos |
| Torque Density | 1.7350 oz-in/g Stronger than 22% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 36.25 oz-in/in³ Denser torque than 10% of 262 Digital Mini servos |
| Speed-to-Weight | 1.00000 (1/sec·g) 4th-highest speed-to-weight of 259 Digital Mini servos |
| Speed-Torque Trade-off | 1.74 Better balanced than 2% of 261 Digital Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 22% of 351 Digital Mini servos |
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Reviews (5)
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pradip
May 6, 2020Application(s): For Trex 450
Comments: Very good servo for the price. surviving for two years, several crashes.
AJ
October 2, 2015Application(s): 450 tail with ZYX S2 gyro
Comments: Make sure to note that this and all 9257 clones are 4.8v. only. They will survive 5v. but burn soon at 6v.
Quadfinger
March 30, 2013Application(s): Used this for the tail on a 450 size heli.
Comments: While it worked, it did well. Unfortunately, it only lasted 8 flights then quit. Looks like several people have had the same issues. Wont be buying another one, and cannot recommend it.
M
April 26, 2012Application(s): Helicopter tail control
Comments: The servo failed and stopped working. Prior to this happening it was working great. I read that they have soldering issues. I will open her up and check the wire connections.
turko
January 27, 2011Application(s): tail rotor servo on a blade 400 heli
Comments: Very fast, centers well, works great as tail servo.Only downside is mine buzzes alot.