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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HD-1705MG |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
27.77 oz-in
2.00 kg-cm
0.2 N-m
4.8V
25.00 oz-in
1.80 kg-cm
0.2 N-m
Below Average
|
| Speed |
6.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
4.8V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Top 10%
|
| Running Current |
6.0V
0.240 A
240 mA
4.8V
0.180 A
180 mA
Above Average
|
| Stall Current | 1.4–1.6 A1400–1600 mABelow Average |
| Physical | |
| Weight | 0.62 oz17.5 gAverage |
| Dimensions |
L 1.161 in W 0.457 in H 1.189 in L 29.5 mm W 11.6 mm H 30.2 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Direction | Counterclockwise |
| Rotational Range | 145° |
| Mechanical Limit | 210° |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1500 µs |
| Dead Band | 4 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Idle Current | 0.005 A5 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 in |
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 13% of 80 Analog Mini servos at 4.8V |
| Speed | Top 10% Faster than 98% of 81 Analog Mini servos at 4.8V |
| Weight | Average Lighter than 60% of 165 Analog Mini servos |
| Running Current | Above Average Lower draw than 66% of 42 Mini servos at 4.8V |
| Stall Current | Below Average Lower draw than 18% of 23 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.66–1.03 W |
| Power Density | 1.628 W/in³ More power-dense than 96% of 163 Analog Mini servos |
| Torque Density | 1.4286 oz-in/g Stronger than 20% of 80 Analog Mini servos |
| Torque-to-Volume Ratio | 39.63 oz-in/in³ Denser torque than 20% of 80 Analog Mini servos |
| Speed-to-Weight | 0.81633 (1/sec·g) Faster than 94% of 81 Analog Mini servos |
| Speed-Torque Trade-off | 1.75 Better balanced than 4% of 80 Analog Mini servos |
| Current-per-Torque Ratio | 0.0640 A/oz-in More efficient than 0% of 20 Power HD servos |
| Idle-to-Running Current Ratio | 0.028 4th-highest idle-to-running current ratio of 26 Mini servos |
| No-Load vs Stall Current Spread | 8.89 Narrower current spread than 48% of 26 Mini servos |
| Torque Gain per Volt | 9.23%/V More voltage-responsive (torque) than 22% of 55 Analog Mini servos |
| Speed Gain per Volt | 33.34%/V 1st-highest speed gain per volt of 56 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 33% of 88 Analog Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0029 Finer dead band than 29% of 95 Mini servos |
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Reviews (1)
-
Ren
May 27, 2012Application(s): plane ailerons
Comments: The servo has a big backlash on the gears that could result in the flutter of the stirring in my case the ailerons.
A plus is that they run without friction.
The size of the servo is difficult to obtain in other brands.
I will not buy more.