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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | D3518HC-S |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
256.92 oz-in
18.50 kg-cm
1.8 N-m
7.4V
222.20 oz-in
16.00 kg-cm
1.6 N-m
6.0V
187.48 oz-in
13.50 kg-cm
1.3 N-m
4.8V
152.76 oz-in
11.00 kg-cm
1.1 N-m
Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Below Average
|
| Physical | |
| Weight | 1.94 oz55.0 gBelow Average |
| Dimensions |
L 1.57 in W 0.80 in H 1.04 in L 39.9 mm W 20.3 mm H 26.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium / Steel |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Water Rating | IP65 |
| 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
| Torque | Average Stronger than 58% of 136 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 15% of 135 Digital Low Profile servos at 4.8V |
| Weight | Below Average Lighter than 30% of 251 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.17–4.75 W |
| Power Density | 3.637 W/in³ More power-dense than 50% of 215 Digital Low Profile servos |
| Torque Density | 2.7775 oz-in/g Stronger than 47% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 116.95 oz-in/in³ Denser torque than 62% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.13986 (1/sec·g) Faster than 13% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 19.86 Better balanced than 75% of 134 Digital Low Profile servos |
| Torque Gain per Volt | 18.94%/V More voltage-responsive (torque) than 70% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 8.34%/V More voltage-responsive (speed) than 8% of 117 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 70% of 223 Digital Low Profile servos |
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