page_title: Liberty L-12
section_title: Aircraft
hierarchical_section_title: Liberty L-12 / Use / Aircraft
caption_attribution_description: Biplane above the clouds. Handwritten on photograph front: "France, 1918, De Haviland '4.'" Handwritten on photograph back: "De Haviland - Liberty Motor, Dear Mum: Put this away for me. Maybe Adam helped make this engine. Ted."
context_page_description: The Liberty L-12 is an American water-cooled 45° V-12 aircraft engine displacing 1,649 cubic inches and making 400 hp designed for a high power-to-weight ratio and ease of mass production. It saw wide use in aero applications, and, once marinized, in marine use both in racing and gentlemens' runabouts.
  A single bank 6-cylinder version, the Liberty L-6, and V-8, the Liberty L-8, were derived from the Liberty L-12. It was succeeded by the Packard 1A-2500.
context_section_description: The primary use of the Liberty was in aircraft.
  American-built versions of the Airco DH.4
  Airco DH.9A
  Airco DH.10
  Breguet 14 B2 L
  Caproni Ca.60
  Curtiss H-16
  Curtiss HS
  Curtiss NC
  Curtiss Carrier Pigeon
  Douglas C-1
  Douglas DT
  Douglas O-2
  Felixstowe F5L
  Fokker T.II
  Handley Page H.P.20
  Witteman-Lewis XNBL
  The engine was also used in the RN-1 (Zodiac) blimp.
caption: Airco DH.4 in flight over France during World War I
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