Liberty L-8
{{short description|Prototype of the Liberty L-12 engine}}
| {{Infobox Aircraft Begin
| name=Liberty L-8 | image=File:Liberty L-8 NASM.jpg | caption=First ever{{citation needed|date=October 2015}} Liberty L-8 aircraft engine, on display at the National Air and Space Museum }}{{Infobox Aircraft Engine |type=Piston aircraft engine |manufacturer=Packard |designer= |national origin=United States |first run={{circa}} 1917 |major applications= |produced= |number built= |program cost= |unit cost= |developed from= |variants with their own articles=Liberty L-4, Liberty L-6, Liberty L-12 }} |
The Liberty L-8 (also known as the Packard 1A-1100) was a prototype of the Liberty L-12 engine designed by Jesse Vincent and Elbert Hall. Fifteen L-8 prototypes were manufactured by several companies including Buick, Ford, Lincoln, Marmon, and Packard in 1917.{{Cite web|title = Liberty L-8 (Packard) V-8 Engine {{!}} National Air and Space Museum|url = http://airandspace.si.edu/collections/artifact.cfm?object=nasm_A19270008000|website = airandspace.si.edu|accessdate = 2015-11-12}}{{Cite web|title = Liberty L-8 > National Museum of the US Air Force > Display|url = https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195711/liberty-l-8/|website = www.nationalmuseum.af.mil|access-date = 2015-11-12}} The first of those built now resides in the National Air and Space Museum in Washington, D.C., while fifteenth L-8 (the only running example) powers Liberty the Second housed by the Conneaut Lake Historical Society in Conneaut Lake, PA.{{Cite web|title = Liberty the Second|url = http://www.conneautlakehistory.com/Liberty_the_Second.html|website = conneautlakehistory|accessdate = 2015-11-12}} Another L-8 is stored at the National Museum of the U.S. Air Force in Dayton, OH.{{Cite web|title = Liberty L-8 > National Museum of the US Air Force > Display|url = https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195711/liberty-l-8/|website = www.nationalmuseum.af.mil|access-date = 2015-11-12}}
Specifications (Liberty L-8)
{{pistonspecs|
|ref=National Air and Space Museum,
|type=8-cylinder, liquid-cooled Vee aircraft piston engine
|bore=5 in (127 mm)
|stroke=7 in (178 mm)
|displacement={{convert|1099.6|cuin|L|1}}
|length={{convert|57|in|0}}
|diameter=
|width=
|height=
|weight={{convert|575|lb|1}}
|valvetrain=One intake and one exhaust valve per cylinder, actuated via a single overhead camshaft per cylinder bank.
|supercharger=
|turbocharger=
|fuelsystem=
|fueltype=
|oilsystem=
|coolingsystem=Liquid-cooled
|power=290 hp (216 kW) at 1,700 rpm
|specpower=0.26 hp/in³ (11.9 kW/L)
|compression=
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight=0.45 hp/lb (0.74 kW/kg)
}}
See also
{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
|similar engines=
}}
References
{{commons category}}
{{reflist}}
- {{cite web|url=http://www.nasm.si.edu/collections/artifact.cfm?id=A19270008000|title=Liberty L-8 (Packard) V-8 Engine|publisher=Smithsonian National Air and Space Museum|accessdate=1 January 2011}}
{{Liberty aeroengines}}
{{Packard aeroengines}}