Aviation Power
Horizontally opposed air-cooled two-stroke engines delivering reliable thrust for UAVs and light sport aircraft.
Aviation-GradePowerSolutions
FQ-550 horizontally opposed four-cylinder · 37 kW of robust thrust
- 10+Years of R&D
- 5000+Flight Hours
- 98%Customer Satisfaction
- 20+Global Partners
FQ-120CC · Horizontally opposed, twin-cylinder
FQ-120 Aviation Engine
Light, efficient power: air-cooled two-stroke, 8.25 kW, 26.5 kg of thrust.
- 8.25 kWMax power
- 26.5 kgStatic thrust (100 m)
- 120 ccDisplacement
- 3.05 kgWeight
FQ-170CC · Horizontally opposed, twin-cylinder
FQ-170 Aviation Engine
Light, efficient power: air-cooled two-stroke, 13.3 kW, 35 kg of thrust.
- 13.3 kWMax power
- 35 kgStatic thrust (100 m)
- 170 ccDisplacement
- 3.93 kgWeight
FQ-222CC · Horizontally opposed, 4-cylinder
FQ-222 Aviation Engine
Compact, efficient power: air-cooled two-stroke, 15.3 kW, 45 kg of thrust.
- 15.3 kWMax power
- 45 kgStatic thrust (100 m)
- 222 ccDisplacement
- 4.86 kgWeight
FQ-350CC · Horizontally opposed, twin-cylinder
FQ-350 Aviation Engine
Efficient, surging power: air-cooled two-stroke, 21.6 kW, 47.5 kg of thrust.
- 21.6 kWMax power
- 47.5 kgStatic thrust (100 m)
- 350 ccDisplacement
- 11.46 kgWeight
FQ-550CC · Horizontally opposed, 4-cylinder
FQ-550 Aviation Engine
Aviation-grade power: air-cooled two-stroke, 37 kW, 70 kg of thrust.
- 37 kWMax power
- 70 kgStatic thrust (100 m)
- 550 ccDisplacement
- 18.3 kgWeight
FQ-730CC · Horizontally opposed, 4-cylinder
FQ-730 Aviation Engine
Powerful, high-efficiency power for heavy-lift UAVs and large aircraft.
- 47.3 kWMax power
- 75 kgStatic thrust (100 m)
- 730 ccDisplacement
- 18.5 kgWeight
- AVIATION-GRADE POWER
- FQ-120 → FQ-730
- AIR-COOLED TWO-STROKE
- HORIZONTALLY OPPOSED
- 100% DYNO-TESTED
- FLIGHT-VERIFIED
- WORLDWIDE SUPPORT
Capabilities
Comprehensive System Integration
From aero engines to complete powertrains, we deliver turnkey solutions for UAVs, light sport aircraft and special-purpose vehicles.
High-Performance Propulsion
High power density and a wide speed range, compatible with a variety of propellers and propulsion systems.
Custom Integration
Tailored powertrain design, modification and technical support based on your requirements.
Core Products
Key Power Platforms
Built to aviation standards — every engine endures rigorous testing.
Horizontally opposed, twin-cylinder
FQ-120 Aviation Engine
Light, efficient power: air-cooled two-stroke, 8.25 kW, 26.5 kg of thrust.
- 8.25 kWMax power
- 120 ccDisplacement
- 3.05 kgWeight
Horizontally opposed, twin-cylinder
FQ-170 Aviation Engine
Light, efficient power: air-cooled two-stroke, 13.3 kW, 35 kg of thrust.
- 13.3 kWMax power
- 170 ccDisplacement
- 3.93 kgWeight
Horizontally opposed, 4-cylinder
FQ-222 Aviation Engine
Compact, efficient power: air-cooled two-stroke, 15.3 kW, 45 kg of thrust.
- 15.3 kWMax power
- 222 ccDisplacement
- 4.86 kgWeight
Horizontally opposed, twin-cylinder
FQ-350 Aviation Engine
Efficient, surging power: air-cooled two-stroke, 21.6 kW, 47.5 kg of thrust.
- 21.6 kWMax power
- 350 ccDisplacement
- 11.46 kgWeight
Horizontally opposed, 4-cylinder
FQ-550 Aviation Engine
Aviation-grade power: air-cooled two-stroke, 37 kW, 70 kg of thrust.
- 37 kWMax power
- 550 ccDisplacement
- 18.3 kgWeight
Horizontally opposed, 4-cylinder
FQ-730 Aviation Engine
Powerful, high-efficiency power for heavy-lift UAVs and large aircraft.
- 47.3 kWMax power
- 730 ccDisplacement
- 18.5 kgWeight
Applications
Proven Reliability in Action
From UAVs to special vehicles, the FQ series has been validated across multiple fields.
Industrial UAVs
Long-endurance, heavy-payload UAV powertrains. The FQ-222 helps extend flight time by 30%.
Light Sport Aircraft
FQ-550 powertrains with more than 5,000 hours of verified flight.
Special Vehicles
Powertrain upgrades for all-terrain vehicles and snowmobiles. The FQ-170 delivers stable output in extreme conditions.
About Us
Defining Power by Aviation Standards
FQ Engine focuses on the research, development and manufacturing of high-performance aviation engines and powertrain systems. We are committed to efficient, stable and lightweight power solutions for UAVs, light sport aircraft and special vehicles.
10+Years of R&D
5000+Flight Hours
98%Customer Satisfaction
20+Global Partners
News
Latest Updates
Company News
Fully In-House Two-Stroke Powertrains: A Domestic Aviation Power Core
In-house development from design to dyno testing, with two-stroke powertrains adapted to a wide range of mission scenarios.
Technical Guide
A Powerful Heart for Flight: Why the Piston Engine Matters Most
Of all the components on a UAV, the piston engine is the one that decides whether the mission succeeds.
Technical Guide
UAV and Aero-Model Engine Types Explained: How Do They Make Power?
A UAV's flight performance — speed, endurance, payload and stability — all depends on its engine. Here is how the main engine types convert energy into thrust.
Contact Us
Let's Build the Future Together
Whether it is a project partnership or a technical consultation, we look forward to talking with you.