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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HD-D65HB |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V20.83 oz-in1.50 kg-cm0.1 N-m |
| Speed |
6.0V0.07 sec/60°857.1 deg/s142.9 RPM |
| Physical | |
| Weight | 0.23 oz6.5 gAbove Average |
| Dimensions |
L 0.819 in W 0.433 in H 0.787 in L 20.8 mm W 11.0 mm H 20.0 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 20 ms |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) |
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 | Above Average Lighter than 80% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.55 W |
| Power Density | 1.971 W/in³ More power-dense than 51% of 590 Digital Micro servos |
| Torque Density | 3.2046 oz-in/g |
| Torque-to-Volume Ratio | 74.64 oz-in/in³ |
| Speed-to-Weight | 2.19780 (1/sec·g) |
| Speed-Torque Trade-off | 1.46 |
| Voltage Range Width | 1.2 V Wider voltage range than 32% of 511 Digital Micro servos |
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Reviews (1)
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Lainchy
May 29, 2018Application(s): Tail servo for HK450GT (Trex 450 clone)
Comments: Great little tail servo on any gyro tbh. These are reasonably fast even on 5v. No problems for me.