avia.wikisort.org - EngineThe ECi O-320 is part of a family of normally aspirated, air-cooled, four-cylinder, direct-drive engines developed for certified and experimental aircraft. Its cylinders are arranged in horizontally opposed configuration and a displacement of 320 cubic inches (5.24 L). It is based on the Lycoming O-320 engine with ECi cylinder assemblies.[1][2]
Design and development
ECi developed engine kits starting in 1995.[3]
Variants
O-320 series
- ECi O-320
- 154 hp (115 kW) at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Certified Applications
- ECi OX-320
- 154 hp (115 kW) at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Experimental Variant
- ECi IOX-320
- 156 hp (116 kW) at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Feul Injected Experimental
Applications
Specifications (ECi O-320)
Data from ECi
General characteristics
- Type: Four-cylinder air-cooled horizontally opposed engine
- Bore: 5.125 in (130.18 mm)
- Stroke: 3.875 in (98.43 mm)
- Displacement: 319.7 cu in (5.24 l)
- Length: 29.07
- Width: 32.27
- Height: 24.8
- Dry weight: 244 lb (111 kg)
Components
- Valvetrain: Two overhead valves per cylinder
- Fuel system: MA4-5 Carb
- Fuel type: minimum grade of 100/100LLavgas
- Oil system: Wet sump
- Cooling system: Air-cooled
- Power output: 154 hp (115 kW)
- Compression ratio: 7:1
See also
References
External links
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