Alvis Leonides Major Piston Engine

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Aircraft Engine Manufacturer
Alvis
Aircraft Engine Type
Piston
Dry Weight (kg)
544.3108
Diameter (mm)
98.806
Length (mm)
180.086
Wikipedia Article (URL)
en.wikipedia.org/wiki/Alvis_Leonides_Major
Fuel
100/130 octane
Fuel System
Fuel injection, low pressure via Hobson or SU pump
Oil System
Dry sump, pressure and scavenge pumps
Cylinders
14
Cylinders Disposition
radial
Bore (mm)
121.92
Stroke (mm)
112
Supercharger
Single speed single stage driven at 6.5:1
Compression Ratio
6.8
Valvetrain
2 sodium cooled valves per cylinder, driven by 2 cam discs
Cooling
Air-cooled
Maximum Takeoff Power (kW)
641.3019

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