Liberty L-8

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The Liberty L-8, aka Packard 1A-1100 engine was a prototype of the Liberty L-12 engine. Although it did not see mass production several were built. The pictured example is the first of them built. Manufactured by Packard Motor Car Company in Detroit, Michigan around 1917, it now resides in the National Air and Space Museum in Washington, DC.

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 valves per cylinder actuated via a single overhead camshaft per cylinder bank.
Cooling system: Liquid-cooled

Performance

Power output: 290 hp (216 kW) at 1,700 rpm
Specific power: 0.26 hp/in³ (11.9 kW/L)
Power-to-weight ratio: 0.45 hp/lb (0.74 kW/kg)

References

Wikimedia Commons has media related to Liberty L-8.

"Liberty L-8 (Packard) V-8 Engine". Smithsonian National Air and Space Museum. Retrieved 1 January 2011.

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