Overview
VA-EN500 is a high-power UAV piston engine designed for heavy-payload and high-performance unmanned platforms. With a 4-cylinder, 4-stroke horizontally-opposed architecture, hybrid water- and air-cooling, and dual ignition redundancy, it delivers stable and reliable power output for demanding 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
4000m Take-off performance
5000m High service ceiling capability
Important Parameters
| Displacement(ml) | 1352 | ||||||
| Dimension(mm) | 670×580×420 | ||||||
| Dry Weight(kg) | 60.8/134.0 | ||||||
| Maximum Power(kW/(r/min) | 73.5/5800 | ||||||
| Maximum Continuous Power(kW/(r/min) | 68/5500 | ||||||
| Power Weight Ratio(kW/kg) | 1.21 | ||||||
| Compression Ratio | 11;1 | ||||||
| Start Mode | Electrical Starter | ||||||
| Ignition | Digital Dual Ignition | ||||||
| Fuel Supply Mode | Carburetor | ||||||
| Fuel type | 95#gasoline | ||||||
| Cooling Mode | Water cooled(cylinder head)and air cooled(cylinder) | ||||||
| TBO（h) | 2000 |
VA-EN500 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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