The FlySpark AeroEngine-550 Four-Cylinder Gasoline UAV Engine is a professional 550cc propulsion system designed for industrial UAV platforms that require strong power output, stable performance, and long-endurance operation.

Built with a four-cylinder, two-stroke, air-cooled gasoline engine architecture, the AeroEngine-550 delivers high power density while maintaining a practical structure for professional UAV integration. Its air-cooled cylinder fin system simplifies maintenance and improves reliability during continuous field operation.

The engine uses a solid-state magneto ignition system for stable spark timing, reliable starting performance, and efficient combustion under changing throttle conditions. With strong power output, balanced operation, and a durable mechanical design, the FlySpark AeroEngine-550 is suitable for heavy-lift VTOL drones, fixed-wing UAVs, hybrid UAV platforms, logistics drones, mapping UAVs, agriculture drones, and industrial inspection aircraft.

Key Features:

• 550cc four-cylinder gasoline UAV engine
• Four-cylinder design for smoother power delivery
• Two-stroke air-cooled architecture for high power density
• Solid-state magneto ignition for reliable combustion
• Strong power output of approximately 25–28 kW
• Suitable for heavy-lift VTOL, fixed-wing, and hybrid UAV platforms
• High power-to-weight ratio for professional UAV operations
• Air-cooled cylinder fin system for simplified maintenance
• Compatible with manual start or optional electric starter
• Built for long-endurance industrial UAV applications
• Suitable for logistics, mapping, agriculture, inspection, and survey UAVs

Specifications:

Product Type: Gasoline UAV Engine
Brand: FlySpark
Model Name: AeroEngine-550
Engine Type: Four-cylinder, two-stroke, air-cooled gasoline engine
Displacement: 550 cc
Ignition System: Solid-state magneto ignition
Cooling Method: Air-cooled cylinder fin system
Fuel Type: Gasoline + 2T synthetic oil
Lubrication Ratio: 25:1
Maximum Power Output: Approximately 25–28 kW
Rated Speed Range: 2,000–6,500 rpm
Starting System: Manual or optional electric starter
Engine Weight: Approximately 15–16 kg
Recommended Propeller: 32×12 inch or 34×10 inch
Operating Temperature Range: -20°C to +50°C
Initial Service Life: 100 hours before maintenance
Installation Type: Suitable for fixed-wing, VTOL, and hybrid UAV platforms

Applications:

• Heavy-lift VTOL UAV platforms
• Fixed-wing long-endurance UAVs
• Hybrid UAV propulsion systems
• Logistics and cargo delivery drones
• Industrial survey UAVs
• Aerial mapping drones
• Agriculture monitoring UAVs
• Infrastructure inspection drones
• Environmental monitoring UAVs
• Research and development UAV projects
• Professional long-range drone systems

The FlySpark AeroEngine-550 is suitable for UAV manufacturers, drone integrators, industrial operators, research teams, and professional aviation projects that need a powerful and reliable gasoline engine for heavy-duty UAV platforms.