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Technical Specifications
Last Updated: 2026-07-28Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand | ![]() |
| Product Number | (add) |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
65.10 oz-in
4.69 kg-cm
0.5 N-m
4.8V
48.10 oz-in
3.46 kg-cm
0.3 N-m
|
| Speed |
6.0V
0.05 sec/60°
1,333.3 deg/s
222.2 RPM
4.8V
0.05 sec/60°
1,132.1 deg/s
188.7 RPM
|
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 1.68–2.67 W |
| Physical | |
| Weight | 2.15 oz61.0 g |
| Dimensions |
L 1.59 in W 0.83 in H 1.57 in L 40.4 mm W 21.1 mm H 39.9 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | (add) |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | 23 T estimate |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | (add) |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | (add) |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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.
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Reviews (1)
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JR 8900G
March 30, 2012Application(s): Tail on 500 Protos and Trex 700E
Comments: I give these a 5 on the basis that as long as you compare with any other 5-6volt servo (apples with apples) you will find it hard to get a better servo.It's Fast .05 on 5 or 6v and It's one of the smoooothest servo's I have ever Had and I've had a few? Hundred!.I still consider it to be a BenchMark product for comparing any other Tail servo for Heli's and It's been so so reliable on FBL and Fast Gyros alike.I love to do ultra rapid Piro's with Big Bang Stops and even though It's got plastic Gear Set they seem to be Unbreakable although I treat my Helis very good and always make sure theres no slop in the Tail.For the money theyr a great deal!.
