General characteristics
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Crew: six (two pilots, navigator/bombardier,
turret gunner/engineer, radio operator/waist gunner, tail gunner
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Length: 52 ft 11 in (16.1 m)
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Wingspan: 67 ft 6 in (20.6 m)
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Height: 17 ft 7 in (4.8 m)
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Wing area: 610 sq ft (57 m²)
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Empty weight: 21,120 lb (9,580 kg)
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Loaded weight: 33,510 lb (15,200 kg)
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Max takeoff weight: 41,800 lb (19,000 kg)
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Powerplant: 2× Wright R-2600 "Cyclone"
radials,
1,850 hp (1,380 kW) each
Performance
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Maximum speed: 275 mph (239 knots, 442 km/h)
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Cruise speed: 230 mph (200 knots, 370 km/h)
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Combat radius: 1,350 mi (1,170 nm, 2,170
km)
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Ferry range: 2,700 mi (2,300 nm, 4,300 km)
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Service ceiling: 25,000 ft (7,600 m)
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Rate of climb: 790 ft/min (4 m/s)
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Wing loading: 55 lb/sq ft (270 kg/m²)
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Power/mass: 0.110 hp/lb (182 W/kg)
Armament
8 x 12.7mm machine gun array OR 1 x 75mm cannon in forward-fixed
nose assembly.
2 x 12.7mm machine guns in forward-fixed lower-left side fuselage position (beneath and behind cockpit
position). 2 x 12.7mm machine gun in forward-fixed lower-right side fuselage position (beneath and behind cockpit position). 2
x 12.7mm machine guns in ventral turret (powered turrets in some models). 2 x 12.7mm machine guns in dorsal turret (powered
turrets in some models). 1 x 12.7mm machine gun in left waist port position. 1 x 12.7mm machine gun in right waist port
position. 2 x 12.7mm machine guns in tail gun position (some models removed). 1 x Torpedo in under-fuselage arrangement
(model-specific fitting). 8 x 250lb bombs on 8 external hardpoints (model-specific fitting).
Maximum internal bombload
of 3,000lbs (1,361 kg).
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