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Technical Specifications
Last Updated: 2026-09-14
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | JRPS811 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
66.00 oz-in
4.75 kg-cm
0.5 N-m
4.8V
54.00 oz-in
3.89 kg-cm
0.4 N-m
|
| Speed |
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
|
| Physical | |
| Weight | 1.44 oz40.8 gTop 10% |
| Dimensions |
L 1.49 in W 0.75 in H 1.52 in L 37.8 mm W 19.0 mm H 38.6 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Plastic |
| Gear Spline/Teeth | 23 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Mechanical Limit | 180° |
| Pulse Width | 1000-2000 µs |
| Dead Band | 5 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4–6 V |
| Certification | CE | RoHS |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 in |
| Origin | |
| Country of Origin | Japan |
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
| Weight | Top 10% Lighter than 95% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 0.55–0.81 W |
| Power Density | 0.479 W/in³ More power-dense than 3% of 1759 Digital Standard servos |
| Torque Density | 1.3235 oz-in/g |
| Torque-to-Volume Ratio | 31.79 oz-in/in³ |
| Speed-to-Weight | 0.13617 (1/sec·g) |
| Speed-Torque Trade-off | 9.72 |
| Voltage Range Width | 2.0 V Wider voltage range than 42% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0050 Finer dead band than 2% of 468 Digital Standard servos |
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Reviews (1)
-
Flyoz
April 14, 2014Application(s): 30 Glow heli
Comments: Superb quality, very reliable- they have powered my Raptor 30 for 9 years without a single glitch.Good centering. Tight as the day I bought them