Liberty L-8

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.[1][2] 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.[3] Another L-8 is stored at the National Museum of the U.S. Air Force in Dayton, OH.[4]

Liberty L-8
First ever Liberty L-8 aircraft engine, on display at the National Air and Space Museum
Type Piston aircraft engine
National origin United States
Manufacturer Packard
Designed by Jesse G. Vincent and Elbert J. Hall
First run about 1917
Variants Liberty L-4, Liberty L-6, Liberty L-12

Specifications (Liberty L-8)

Data from National Air and Space Museum,

General characteristics

  • Type: 8-cylinder, liquid-cooled Vee aircraft piston engine
  • Bore: 5 in (127 mm)
  • Stroke: 7 in (178 mm)
  • Displacement: 1,099.6 cubic inches (18.0 l)
  • Length: 57 inches (1,448 mm)
  • Dry weight: 575 pounds (260.8 kg)

Components

  • Valvetrain: One intake and one exhaust valve per cylinder, actuated via a single overhead camshaft per cylinder bank.
  • Cooling system: Liquid-cooled

Performance

See also

Comparable engines

Related lists

References
  1. "Liberty L-8 (Packard) V-8 Engine | National Air and Space Museum". airandspace.si.edu. Retrieved 2015-11-12.
  2. "Liberty L-8 > National Museum of the US Air Force™ > Display". www.nationalmuseum.af.mil. Retrieved 2015-11-12.
  3. "Liberty the Second". conneautlakehistory. Retrieved 2015-11-12.
  4. "Liberty L-8 > National Museum of the US Air Force™ > Display". www.nationalmuseum.af.mil. Retrieved 2015-11-12.
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