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Technical Specifications
Last Updated: 2026-10-26
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
Average
|
| Stall Current | 1.4–1.6 A1400–1600 mABelow Average |
| Physical | |
| Weight | 0.62 oz17.5 gAbove Average |
| 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 | 24 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 77 Analog Mini servos at 4.8V |
| Speed | Top 10% Faster than 97% of 77 Analog Mini servos at 4.8V |
| Weight | Above Average Lighter than 66% of 161 Analog Mini servos |
| Running Current | Average Lower draw than 61% of 57 Mini servos at 4.8V |
| Stall Current | Below Average Lower draw than 15% of 28 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.66–1.03 W |
| Power Density | 1.628 W/in³ More power-dense than 93% of 158 Analog Mini servos |
| Torque Density | 1.4286 oz-in/g Stronger than 17% of 77 Analog Mini servos |
| Torque-to-Volume Ratio | 39.63 oz-in/in³ Denser torque than 21% of 77 Analog Mini servos |
| Speed-to-Weight | 0.81633 (1/sec·g) Faster than 91% of 77 Analog Mini servos |
| Speed-Torque Trade-off | 1.75 Better balanced than 5% of 77 Analog Mini servos |
| Current-per-Torque Ratio | 0.0640 A/oz-in More efficient than 0% of 22 Power HD servos |
| Idle-to-Running Current Ratio | 0.028 4th-highest idle-to-running current ratio of 32 Mini servos |
| No-Load vs Stall Current Spread | 8.89 Narrower current spread than 56% of 33 Mini servos |
| Torque Gain per Volt | 9.23%/V More voltage-responsive (torque) than 18% of 58 Analog Mini servos |
| Speed Gain per Volt | 33.34%/V 1st-highest speed gain per volt of 58 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 37% of 88 Analog Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0029 4th-highest dead-band-to-pulse-width ratio of 22 Analog Mini servos |
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Reviews (1)
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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.