Liberty L-12 Piston Engine

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Aircraft Engine Manufacturer
Liberty
Aircraft Engine Type
Piston
Dry Weight (kg)
382.832
Length (mm)
171.1325
Height (mm)
105.41
Width (mm)
68.58
Wikipedia Article (URL)
en.wikipedia.org/wiki/Liberty_L-12
Fuel
Gasoline
Fuel System
Two duplex Zenith carburettors
Oil System
forced feed, rotary gear pressure and scavenge pumps, wet sump.
Cylinders
12
Bore (mm)
127
Stroke (mm)
178
Displacement (L)
27.02
Compression Ratio
5.4
Valvetrain
One intake and one exhaust valves per cylinder operated via a single overhead camshaft per cylinder bank
Cooling
Water-cooled
Maximum Takeoff Power (kW)
298.2799
Specific Power (kW/L)
0.2013
Power To Weight (kW/kg)
0.53

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