Lycoming AEIO-360 Series Aircraft Engine

The Lycoming AEIO-360 series is a high-performance, four-cylinder, horizontally opposed, air-cooled aircraft engine designed for both aerobatic and normally aspirated applications.

Part Number

Key Specifications

• Type: Four-cylinder, horizontally opposed (flat-four), air-cooled
• Displacement: 361 cubic inches (5.9 liters)
• Power Output: Typically produces 180 to 200 horsepower (depending on the specific model and configuration)
• Compression Ratio: Varies by model, typically 8.5:1 or 8.7:1
• Weight: Approximately 260 to 280 pounds (dry weight, depending on the model)
• Fuel Type: Aviation gasoline (100LL)
• Cooling: Air-cooled
• Ignition System: Dual magnetos for redundancy
• Redline RPM: Typically 2,700 RPM
• Fuel System: Fuel-injected (precise fuel delivery for improved performance)

Applications

The AEIO-360 engine is used in high-performance and aerobatic aircraft, including:

• Extra 200/300 (aerobatic aircraft)
• Pitts Special (aerobatic biplane)
• Christen Eagle (aerobatic biplane)
• Van's RV series (experimental aircraft)
• Lancair Legacy (high-performance experimental aircraft)

Variants

The AEIO-360 series includes several models, each tailored for specific applications. Some notable variants include:

• AEIO-360-A1A: 180 hp, fuel-injected, used in aerobatic aircraft like the Pitts Special.
• AEIO-360-B1B: 180 hp, fuel-injected, used in the Extra 200.
• AEIO-360-H1A: 200 hp, high-performance variant with increased power output.
• AEIO-360-M1A: 180 hp, fuel-injected, used in experimental and homebuilt aircraft.

Features

• Aerobatic Capability: Designed to handle the stresses of aerobatic maneuvers, including inverted flight.
• Fuel Injection: Provides precise fuel delivery, improved performance, and better fuel efficiency.
• Dual Magneto System: Ensures redundancy and reliability in ignition.
• High Power-to-Weight Ratio: Ideal for high-performance and aerobatic aircraft.
• Robust Construction: Built to withstand the rigors of aerobatic and high-performance operations.