Specifications .28R-3350-C18-BA.29 Wright R-3350 Duplex-Cyclone




1 specifications (r-3350-c18-ba)

1.1 general characteristics
1.2 components
1.3 performance





specifications (r-3350-c18-ba)

a wright r-3350 radial engine, showing, r l, propeller shaft, reduction gearcase, magneto (silver) wiring, 2 cylinders (rear connecting rod), impellor casing (and induction pipe outlets) , injection carburetor (black); separate accessory gearbox @ extreme left


data jane s.


general characteristics

type: twin-row 18-cylinder radial engine
bore: 6  ⁄8 in (155.6 mm)
stroke: 6  ⁄16 in (160.2 mm)
displacement: 3,347.9 in (54.86 l)
length: 76.26 in (1,930 mm)
diameter: 55.78 in (1,420 mm)
dry weight: 2,670 lb (1,212 kg)

components

valvetrain: pushrod, 2 valves per cylinder
supercharger: two-speed single-stage
fuel system: chandler-evans downdraft carburetor
fuel type: 100/130
oil system: dry sump
cooling system: air-cooled

performance

power output: 2,200 hp @ 2,800 rpm (takeoff power)
specific power: 0.66 hp/in³
compression ratio: 6.85:1
power-to-weight ratio: 0.82 hp/lb




^ jane s 1998, p. 318






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