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Technical Specifications
Last Updated: 2026-07-10Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | (add) |
| Category | Hobby |
| Performance | |
| Torque |
4.8V34.70 oz-in2.50 kg-cm0.2 N-m |
| Speed |
4.8V0.05 sec/60°1,200.0 deg/s200.0 RPM |
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 1.28 W |
| Physical | |
| Weight | 0.79 oz22.3 g |
| Dimensions |
L 1.38 in W 0.59 in H 1.19 in L 35.0 mm W 14.9 mm H 30.1 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | 60° |
| Mechanical Limit | (add) |
| Pulse Cycle | 3 ms |
| Pulse Width | (add) |
| Neutral Position | 1500 µs |
| Dead Band | (add) |
| Refresh Rate | (add) |
| 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 | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | (add) |
| 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.
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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.