Overview
VA-EN520TI is a high-power UAV piston engine designed for heavy-payload and hybrid VTOL unmanned platforms. Equipped with electronic fuel injection (EFI) and digital dual ignition, the engine provides precise power control, stable operation, and reliable performance for long-duration UAV missions.
Engine Highlights
4-cylinder and 4-stroke horizontally-opposed
Water cooled (cylinder head) and air cooled (cylinder)
Dual ignition redundancy design
Corrosion resistance
6500m Take-off performance
8500m Continuous performance (Service ceiling ≥ 8,000 m)
Important Parameters
| Displacement (ml) | 1211 | ||||||
| Dimension (mm) | 620×580×580 | ||||||
| Dry Weight (kg) | 76.2 | ||||||
| Maximum Power(kW/(r/min) | 82.5/5800 | ||||||
| Maximum Continuous Power(kW/(r/min) | 71.5/5500 | ||||||
| Power Weight Ratio (kW/kg) | 1.08 | ||||||
| Power Supply | 1.2 | ||||||
| Compression Ratio | 9:1 | ||||||
| Start Mode | Electrical Starter | ||||||
| Ignition | Digital Dual Ignition | ||||||
| Fuel Supply Mode | EFI | ||||||
| Fuel Type | 95#gasoline | ||||||
| Cooling Mode | Water cooled(cylinder head) and aircooled(cylinder) | ||||||
| TBO(h) | 2000 |
VA-EN520Tl Power Chart
Performance data may vary depending on operating conditions and configuration.
Application Scenarios
Hybrid VTOL Fixed-Wing UAV
VA-EN300 is optimized for hybrid VTOL fixed-wing UAVs, enabling vertical takeoff and landing combined with efficient fixed-wing cruise for long-endurance missions.
Heavy-Payload UAV Platforms
With strong and stable power output, VA-EN300 supports heavy-payload UAV platforms carrying sensors, communication equipment, or specialized mission systems.
Professional After-Sales Support
Basic Support
UAV Engine Deployment & Flight Support Services
On-Site Engine Maintenance Services
After-Sales Spare Parts Supply
Engine Operation & Maintenance Training
Extended Support
Comprehensive UAV Project Support
Engine Maintenance & Lifecycle Services
Batch Installation & Modification Support
Engine System Support Solutions
Spare Parts Sharing Platform
Technical Materials & Component Supply
Contact for More Information
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