ECi O-320
{{Short description|Family of four-cylinder, direct-drive engines}}
| {{Infobox aircraft begin
|name=O-320 |image= |caption= }}{{Infobox Aircraft Engine |type=Piston aero-engine |manufacturer=Engine Components Inc. |first run= |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.{{cite web|title=Proposed AD Demands Removal of Thousands of ECI Titan Cylinders|url=http://www.eaa.org/news/2013/2013-08-12_proposed-AD-demands-removal-of-thousands-of-ECI-titan-cylinders.asp|accessdate=15 April 2014|archive-url=https://web.archive.org/web/20140416205655/http://www.eaa.org/news/2013/2013-08-12_proposed-AD-demands-removal-of-thousands-of-ECI-titan-cylinders.asp|archive-date=16 April 2014|url-status=dead}}{{cite web|title=ECi AD affects 13,000 Titan cylinders|url=http://www.aopa.org/News-and-Video/All-News/2008/September/18/ECi-AD-affects-13-000-Titan-cylinders|accessdate=15 April 2014}}
Design and development
ECi developed engine kits starting in 1995.{{cite journal|magazine=General Aviition News|title=ECi launches engine assembly program|date=22 January 2013}}
Variants
=O-320 series=
;ECi O-320
:{{convert|154|hp|kW|0|abbr=on}} at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Certified Applications
;ECi OX-320
:{{convert|154|hp|kW|0|abbr=on}} at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Experimental Variant
;ECi IOX-320
:{{convert|156|hp|kW|0|abbr=on}} at 2700 rpm, Minimum fuel grade 100/100LL avgas, compression ratio 7.0:1. Fuel Injected Experimental
Applications
{{columns-list|colwidth=22em|
- Aviat Husky A-1B-160
- Avid Flyer
- Aero Commander 100
- Alpha 160A
- American Champion Citabria
- Australian Aircraft Kits Hornet STOL
- Australian Lightwing SP-4000 Speed
- Aviation Industries of Iran AVA-202
- Beechcraft Musketeer
- Bellanca Decathlon
- Bushcaddy L-160
- Canadian Home Rotors Safari
- Cessna 172
- Custom Flight North Star
- Christavia Mk IV
- Dakota Cub Super 18
- EM-11 Orka
- Eaves Cougar 1
- Explorer Ellipse
- Falconar F12A Cruiser
- Fly-Fan Shark
- Glasair GlaStar
- Grumman American AA-5
- Gulfstream American GA-7 Cougar
- Hatz CB-1
- Hatz Classic
- Lambert Mission 212
- MBB Bo 209
- Mooney M20
- Murphy Elite
- Mustang Aeronautics Mustang II
- Osprey Osprey 2
- Partenavia P66B Oscar 150
- Peña Dahu
- PIK-19
- Piper Aztec
- Piper Apache
- Piper PA-40 Arapaho
- Piper Twin Comanche
- Piper Cherokee
- Piper Tripacer
- Preceptor STOL King
- PZL-110 Koliber
- Quikkit Glass Goose
- Rihn DR-107 One Design
- Robin DR400
- Robinson R22
- Rutan Long-EZ
- Sands Fokker Dr.1 Triplane
- SGP M-222 Flamingo
- Socata TB9 Tampico
- Symphony SA-160
- Tapanee Levitation 2
- Thorp T-18
- Piper PA-18-150 Super Cub
- Van's Aircraft RV-3
- Van's Aircraft RV-4
- Van's Aircraft RV-6
- Van's Aircraft RV-8
- Van's Aircraft RV-9
- Varga Kachina
- Velocity V-Twin
- Vulcanair P-68C
- Wassmer WA 52
- Wickham B
- Wittman Tailwind
}}
Specifications (ECi O-320)
{{pistonspecs|
|ref=ECi|type=Four-cylinder air-cooled horizontally opposed engine
|bore={{convert|5.125|in|mm|2|abbr=on}}
|stroke={{convert|3.875|in|mm|2|abbr=on}}
|displacement={{convert|319.7|cuin|L|2|abbr=on}}
|length=29.07
|diameter=
|width=32.27
|height=24.8
|weight={{convert|244|lb|kg|0|abbr=on}}
|valvetrain=Two overhead valves per cylinder
|supercharger=
|turbocharger=
|fuelsystem=MA4-5 Carb
|fueltype=minimum grade of 100/100LLavgas
|oilsystem=Wet sump
|coolingsystem=Air-cooled
|power={{convert|154|hp|kW|0|abbr=on}}
|compression=7:1
|specpower=
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight=
|reduction_gear=
}}
See also
References
{{reflist}}