Air Turbofan Engine HQ500G

A turbofan engine providing 560 kgf of thrust and featuring a geared fan for enhanced efficiency (Bypass Ratio: 4.33). It is utilized in various Chinese aerial platforms, including advanced drones and cruise missiles. Its design emphasizes a high total pressure ratio for improved performance and a relatively high thrust-to-weight ratio for maneuverability.

Category:

Air Turbofan Engine

Configuration

● Low-pressure Shaft: 1 stage Geared FAN + 2 stages IPC + Gear Reducer + 1 stage LPT;
● High-pressure shaft: 1 stage centrifugal compressor + 1 stage HPT;
● Combustion Chamber: Annular Reverse-flow;
● Exhaust: Petal Mixer, Outer-inner Mix.

Application

Air Turbofan Engine HQ500G Application

Characteristics

Take-off Thrust: 560 kg
Take-off SFC: 0.42 kg/ (kgf.h)
Bypass Ratio: 4.33
Total Pressure Ratio: 18.06
Gear Transmission Ratio: 2.15
Turbine Inlet Temp: 1319k
Thrust-weight Ratio: 4.4
Length: 1706 mm
height: 651 mm
Dry Weight: 124 kg

Representative Specifications (indicative)

Parameter Value / Range Notes
Engine Type Turbofan Single-shaft or dual-spool configuration depending on variant
Thrust ~5,000–5,500 N Approximate maximum take-off thrust
Bypass Ratio 1.2–1.5 Low bypass for high-speed tactical performance
Overall Pressure Ratio ~12–15 Optimized for fuel efficiency and reliability
Specific Fuel Consumption ~0.8 kg/N·h Indicative, depending on flight conditions
Engine Weight ~120–140 kg Compact and lightweight design
Diameter ~0.45 m Suitable for light tactical aircraft and UAVs
Length ~1.2 m Approximate overall length
Operational Altitude 0–15,000 m Capable of low-to-high altitude operations
Temperature Range -40°C to +55°C Operates under harsh environmental conditions
Maintenance Interval ~300–500 flight hours Indicative, depending on usage and operational conditions

Key Features

  • High Thrust-to-Weight Ratio: Delivers efficient propulsion for tactical and high-speed flight.

  • Fuel Efficiency: Optimized turbine and compressor design reduces fuel consumption during sustained operation.

  • Compact & Lightweight: Modular architecture allows for easy integration into multiple aircraft platforms.

  • Reliable Operation: Designed for continuous and safe operation under diverse environmental conditions.

  • Low Maintenance: Extended service intervals with simplified inspection procedures.

  • Advanced Materials: Utilizes high-temperature alloys for turbine blades and critical components for durability.

  • Flexible Integration: Compatible with fixed-wing aircraft, UAVs, and trainer jets.

  • Digital Engine Control (Optional): Can be equipped with FADEC (Full Authority Digital Engine Control) for precise performance management.

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