The FlySpark AeroEngine-350 Carbureted Gasoline UAV Engine is a professional 351cc propulsion system designed for industrial and commercial UAV applications that require strong power output, stable operation, and dependable long-endurance performance.

Built with a horizontally opposed dual-cylinder, two-stroke, air-cooled gasoline engine architecture, the AeroEngine-350 provides smooth operation, reduced vibration, and efficient power delivery for medium and large UAV platforms.

With up to 18.5 kW power output, a lightweight 12.5 kg engine body, and high-altitude operation support up to 6000 meters, this engine is suitable for fixed-wing UAVs, hybrid VTOL drones, logistics platforms, agriculture drones, mapping aircraft, and industrial inspection UAV systems.

Its carbureted fuel system provides consistent throttle response and easy maintenance, while the dual electronic ignition system improves reliability during continuous UAV operation. The air-cooled cylinder-fin design helps maintain stable engine temperature during long-duration missions.

Key Features:

• 351cc carbureted gasoline UAV engine
• Horizontally opposed dual-cylinder design for smoother operation
• Two-stroke air-cooled architecture for high power density
• Maximum power output up to 18.5 kW
• Lightweight 12.5 kg engine body without propeller
• Dual electronic ignition system for improved reliability
• Carbureted fuel system for smooth throttle response
• Air-cooled cylinder-fin design for simplified maintenance
• Supports operation up to 6000 meters altitude
• Suitable for fixed-wing UAVs, VTOL UAVs, and hybrid drones
• Recommended for mapping, logistics, agriculture, inspection, and industrial UAV platforms

Specifications:

Product Type: Gasoline UAV Engine
Brand: FlySpark
Model Name: AeroEngine-350
Engine Type: Two-stroke, horizontally opposed, air-cooled, carbureted gasoline engine
Displacement: 351 cc
Bore x Stroke: 66 mm x 41 mm
Maximum Power Output: 18.5 kW
Rated Speed Range: 2000–6200 rpm
Idle Speed: 2000 rpm
Engine Weight: 12.5 kg without propeller
Dimensions: 357 x 295 x 254 mm
Cooling System: Air-cooled cylinder-fin design
Ignition System: Dual electronic ignition
Starting System: Manual or optional electric starter
Fuel Type: Unleaded gasoline + 2T synthetic oil
Lubrication Ratio: 25:1
Oil Consumption Rate: 0.55 kg/kW·h
Recommended Propellers: 30×12 inch / 32×10 inch
Operating Temperature: -20°C to +50°C
Operating Altitude: Up to 6000 meters
Initial Service Life: Approx. 100 hours
Installation Type: Fixed-wing UAV, VTOL UAV, and hybrid UAV platforms

Applications:

• Fixed-wing long-endurance UAVs
• Hybrid VTOL UAV cruise engine
• Industrial mapping drones
• Survey and monitoring UAVs
• Logistics and cargo UAV platforms
• Agriculture monitoring drones
• Infrastructure inspection UAVs
• Environmental monitoring UAVs
• Research and development UAV projects
• Professional medium-to-large UAV platforms

The FlySpark AeroEngine-350 is suitable for UAV manufacturers, drone integrators, industrial operators, research teams, and professional drone projects that require a reliable carbureted gasoline engine for long-endurance aerial platforms.