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]

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

Design and development

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ECi developed engine kits starting in 1995.[3]

Variants

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O-320 series

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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

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Specifications (ECi O-320)

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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

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References

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  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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