• ENGINES

    VA-EN550TI

    4-cylinder and 4-stroke horizontally-opposed

    Dual ignition redundancy design

    Water cooled engine

    5000m Take-off performance

     Contact Sales

Overview

VA-EN550TI is a high-power UAV piston engine designed for heavy-payload and hybrid VTOL unmanned platforms. Featuring a fully water-cooled architecture, electronic fuel injection (EFI), and digital dual ignition, the engine provides stable thermal management, precise power control, and reliable performance for high-demand UAV missions.

Important Parameters

Displacement (cm³)1417
Dimension (mm)670x580x580
Dry Weight (kg/lb)81.5±1/179+2
Maximum Power (kW-r/min)104/5800
Maximum continuous power (kW-r/min)99/5500
Power weight ratio (kW/kg)1.28
Compression Ratio9.8:1
Start ModeElectric Starter
IgnitionDigital dual ignition
Fuel supply modeEFI
Fuel Type95# gasoline
Cooling ModeWater cooled(cylinder head & cylinder)
TBO (h)2000

Engine Highlights 

4-cylinder and 4-stroke horizontally-opposed

Water cooled (cylinder head) and air cooled (cylinder)

Dual ignition redundancy design

Corrosion resistance

5000m Take-off performance

8000m Continuous performance (Service ceiling ≥ 8,000 m)

VA-EN500l Power Chart

Performance data may vary depending on operating conditions and configuration.

Application Scenarios

Hybrid VTOL Fixed-Wing UAV

VA-EN300 is optimized for hybrid VTOL fixed-wing UAVs, enabling vertical takeoff and landing combined with efficient fixed-wing cruise for long-endurance missions.

Heavy-Payload UAV Platforms

With strong and stable power output, VA-EN300 supports heavy-payload UAV platforms carrying sensors, communication equipment, or specialized mission systems.

Agricultural UAV Applications

VA-EN300 supports agricultural UAV operations, ensuring continuous and reliable performance for crop monitoring, spraying, and field coverage tasks.

Industrial Mapping UAV

The engine is suitable for industrial UAV platforms used in inspection, mapping, surveying, and other mission-critical operations.

Professional After-Sales Support

    • Basic Support

    UAV Engine Deployment & Flight Support Services
    On-Site Engine Maintenance Services
    After-Sales Spare Parts Supply
    Engine Operation & Maintenance Training

    Extended Support

    Comprehensive UAV Project Support

    Engine Maintenance & Lifecycle Services

    Batch Installation & Modification Support

    Engine System Support Solutions

    Spare Parts Sharing Platform

    Technical Materials & Component Supply

    Related Products

    VA-EN500

    • Displacement: 1352 ml
    • Maximum Power: 68/5500 kW/(r/min）
    • Compression Ratio: 11:1
    • Ignition: Dual Capacitor

    VA-EN500I

    • Displacement: 1352 ml
    • Maximum Power: 69/5500 kW/(r/min）
    • Compression Ratio: 11:1
    • Ignition: Digital Dual

    VA-EN520T

    • Displacement: 1211 ml
    • Maximum Power: 73.5/5500 kW/(r/min）
    • Compression Ratio: 9:1
    • Ignition: Dual Capacitor

    VA-EN520TI

    • Displacement: 1211 ml
    • Maximum Power: 71.5/5500 kW/(r/min）
    • Compression Ratio: 9:1
    • Ignition: Digital Dual

    VA-EN550TI

    • Displacement: 1417 ml
    • Maximum Power: 99/5500 kW/(r/min）
    • Compression Ratio: 9.8:1
    • Ignition: Digital Dual

    Contact for More Information

    Focus on quickly responding to your needs and customizing exclusive services from a professional perspective

    Please tell us your detailed needs for drones, and our experts will contact you to answer your questions.

    +86 17708348540

    +86 17708348540

    [email protected]

    Vast Arrive

    Homepage: www.vastarrive.com; www.drawell.cn.