
FQ-550 Aviation Engine
Horizontally Opposed 4-Cylinder · Two-Stroke
- 49.62 hp / 37 kWPower
- 550 ccDisplacement
- 18.3 kgWeight
FQ-550 Horizontally Opposed 4-Cylinder · 37 kW Strong Thrust
From aviation engines to full powertrain systems, we provide one-stop solutions for drones, light sport aircraft and special vehicles.
Horizontally opposed air-cooled two-stroke engines delivering reliable thrust for drones and light sport aircraft.
High power density and a wide speed range to match a variety of propellers and propulsion systems.
Customized powertrain integration, modification and technical support based on customer requirements.
Built to aviation-grade standards, every engine is engineered to withstand the toughest missions.

Horizontally Opposed 4-Cylinder · Two-Stroke

Horizontally Opposed Twin · Two-Stroke
From drones to special vehicles, FQ powertrain systems have been validated across multiple fields.
Long-endurance, heavy-payload drone powertrains. FQ-222 boosts flight time by 30%.
FQ-550 powertrain with more than 5,000 hours of verified flight.
Powertrain upgrades for all-terrain vehicles and snowmobiles. FQ-170 delivers stable output in extreme conditions.
FQ Engine focuses on the research, development and manufacturing of high-performance aviation engines and powertrain systems. We are committed to providing efficient, stable and lightweight power solutions for drones, light sport aircraft and special vehicles.
Our FQ-550 aviation powertrain has accumulated more than 5,000 hours of verified flight across drones and light sport aircraft.
Paired with our powertrain solutions, the FQ-222 platform extends flight time by 30% for long-endurance, heavy-payload industrial drones.
Power, static thrust, weight and cooling are the key factors when selecting a two-stroke aviation engine for drones or light aircraft.
Whether it's a project partnership or a technical consultation, we look forward to talking with you.