Lycoming O-233
{{Short description|Four-cylinder, air-cooled, horizontally opposed piston engine}}
{{about|the 1940 carbureted aircraft engine|the 2008 fuel-injected aircraft engine|Lycoming IO-233}}
| {{Infobox Aircraft Begin
| name=O-233 | image= | caption= }}{{Infobox Aircraft Engine |type=Piston aero engine |manufacturer=Lycoming Engines |national origin=United States |first run=1940 |major applications= |produced=1940-1944 |number built=106 |variants with their own articles= |developed from= Lycoming O-145 |developed into= Lycoming O-235 }} |
The Lycoming O-233 is a four-cylinder, air-cooled, horizontally opposed piston aircraft engine that was built by Lycoming Engines between 1940 and 1944.{{cite web|url = http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/c7bf8c45a9443a6686256e4d005e73c3/$FILE/E-223.pdf|format=PDF|title = TYPE CERTIFICATE DATA SHEET NO. E-223|accessdate = 2008-11-30|last = Federal Aviation Administration|authorlink = |date=December 2003}}
Development
Lycoming applied for certification of the O-233 on 13 June 1940, with certification to CAR 13 (amended to 31 May 1938) granted on 16 August 1940. The O-233 had its type certificate cancelled on 25 February 1944 at serial number 106.
The FAA type certificate notes:
{{quote|No engines of these models manufactured after the date or with serial numbers above those listed below are eligible for use in certificated aircraft. (The early production engines may still be used in certificated aircraft or installed under a supplemental type certificate). Detail specifications for these engines have been deleted from this data sheet. }}
Variants
Specifications (O-233-A1)
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See also
References
{{Reflist}}
External links
{{Commons category|Lycoming O-233}}
- [http://www.lycoming.textron.com/ Textron Lycoming] - Manufacturer's home page
{{Lycoming aeroengines}}
{{US military piston aeroengines}}
{{Aeroengine-specs}}