Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DHV821 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V102.79 oz-in7.40 kg-cm0.7 N-m |
| Speed |
7.4V0.06 sec/60°1,000.0 deg/s166.7 RPM |
| Physical | |
| Weight | 2.38 oz67.5 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.54 in L 39.9 mm W 20.1 mm H 39.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Rotational Range | 120° |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
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 | Below Average Lighter than 30% of 2538 Standard servos |
Performance Analysis
| Shaft Power | 3.17 W |
| Power Density | 1.658 W/in³ More power-dense than 59% of 62 Kpower servos |
| Torque Density | 1.5228 oz-in/g |
| Torque-to-Volume Ratio | 53.82 oz-in/in³ |
| Speed-to-Weight | 0.24691 (1/sec·g) |
| Speed-Torque Trade-off | 6.17 |
| Voltage Range Width | 3.6 V Wider voltage range than 79% of 34 Kpower servos |
Similar Active Servos
Reviews of Kpower DHV821
Be the first to review!