O-320
Type Piston aero-engine
Manufacturer Engine Components Inc.
Major applications Vans RV-6

The 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. Fuel Injected Experimental

Applications

Specifications (ECi O-320)

Data from ECi

General characteristics

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

Performance

See also

References

  1. "Proposed AD Demands Removal of Thousands of ECI Titan Cylinders". Archived from the original on 16 April 2014. Retrieved 15 April 2014.
  2. "ECi AD affects 13,000 Titan cylinders". Retrieved 15 April 2014.
  3. "ECi launches engine assembly program". General Aviition News. 22 January 2013.

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