Boeing XPBB-1 Sea Ranger (Boeing 344)

Specifications

1st Flight 1942

Crew: 10

Length: 94 ft 9 in (28.89 m)

Wingspan: 139 ft 8.5 in (42.59 m)

Height: 34 ft 2 in (10.42 m)

Wing area: 1,826 sq ft (169.7 m2)

Empty weight: 41,531 lb (18,878 kg)

Gross weight: 62,006 lb (28,185 kg)

Max takeoff weight: 101,130 lb (45,968 kg)

Powerplant: 2 × Wright R-3350-8 radial engines, 2,300 hp (1,716 kW) each

Performance

Maximum speed: 186 kn (214 mph, 345 km/h) at sea level

Range: 5,500 nmi (6,300 mi, 10,000 km) (maximum)

Normal range: 3,691 nmi, (4,245 mi, 6,834 km)

Service ceiling: 22,400 ft (6,830 m)

Rate of climb: 980 ft/min (4.98 m/s)

Wing loading: 34.0 lb/sq ft (166 kg/m2)

Power/mass: 0.15 hp/lb (0.24 kW/kg)

Armament

Guns: 8 × .50 in (12.7 mm) machine guns in bow and tail turrets and waist positions

Bombs: 20,000 lb (9,100 kg)

Variants

 The Boeing XPBB-1 Sea Ranger (Boeing 344) was a prototype twin-engined flying boat patrol bomber built for the United States Navy.

The order for this aircraft was cancelled, to free production capacity to build the Boeing B-29, and only a single prototype was completed.

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