Wright R-4090 Cyclone 22 Piston Engine

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Aircraft Engine Manufacturer
Wright
Aircraft Engine Type
Piston
Dry Weight (kg)
1465.103
Diameter (mm)
147.32
Length (mm)
231.14
Wikipedia Article (URL)
en.wikipedia.org/wiki/Wright_R-4090_Cyclone_22
Fuel
Gasoline
Cylinders
22
Cylinders Disposition
radial
Bore (mm)
155.575
Stroke (mm)
160
Displacement (L)
67.0559
Supercharger
14 in diameter impeller, single-stage two-speed supercharger; gear ratios: of 5 to 1 and 7 to 1.
Compression Ratio
6.85
Valvetrain
One inlet and one Sodium-cooled exhaust over-head valves per cylinder, driven by pushrods and rocker arms.
Cooling
Air-cooled
Maximum Takeoff Power (kW)
2237.1

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