Crew: 10 Length: 74 ft 4 in (22.66 m) Wingspan: 103 ft 9 in (31.62 m) Height: 19 ft 1 in (5.82 m) Maximum speed: 287 mph (249 knots, 462 km/h) Cruise speed: 182 mph (158 knots, 293 km/h) Range: 1,738 nmi (2,000 mi, 3,219 km) with 2,722 kg (6,000 lb) bombload Service ceiling 35,600 ft (10,850 m) Rate of climb: 900 ft/min (4.6 m/s)

Role: Strategic bomber
National origin: United States
Manufacturer: Boeing
First flight: 28 July 1935
Introduction: April 1938
Retired: 1968 (Brazilian Air Force)
Primary users:United States Army Air Force, Royal Air Force
Produced: 1936–1945
Number built: 12,731
Unit cost: US$238,329
Variants: XB-38 Flying Fortress, YB-40 Flying Fortress, C-108 Flying Fortress, Boeing 307

Specifications (B-17G)

General characteristics

-Crew: 10: Pilot, co-pilot, navigator, bombardier/nose gunner, flight engineer-top turret gunner, radio operator, waist gunners (2), ball turret gunner, tail gunner
-Length: 74 ft 4 in (22.66 m)
-Wingspan: 103 ft 9 in (31.62 m)
-Height: 19 ft 1 in (5.82 m)
-Wing area: 1,420 ft² (131.92 m²)
-Airfoil: NACA 0018 / NACA 0010
-Empty weight: 36,135 lb (16,391 kg)
-Loaded weight: 54,000 lb (24,495 kg)
-Max takeoff weight: 65,500 lb (29710 kg)
-Powerplant: 4x Wright R-1820-97 "Cyclone" turbosupercharged radial engines, 1,200 hp (895 kW) each

Performance

-Maximum speed: 287 mph (249 knots, 462 km/h)
-Cruise speed: 182 mph (158 knots, 293 km/h)
-Range: 1,738 nmi (2,000 mi, 3,219 km) with 2,722 kg (6,000 lb) bombload
-Service ceiling 35,600 ft (10,850 m)
-Rate of climb: 900 ft/min (4.6 m/s)
-Wing loading: 38.0 lb/ft² (185.7 kg/m²)
-Power/mass: 0.089 hp/lb (150 W/kg)

Armament

-Guns: 13× M2 Browning .50 caliber (12.7 mm) machine guns in twin turrets, plus single dorsal, fore and aft beam positions (with optional extra nose armament fitted in glazed nose).
-Bombs:
Short range missions (400 mi): 8,000 lb (3,600 kg)
Long range missions (800 mi): 4,500 lb (2,000 kg)
Overload : 17,600 lb (7,800 kg)

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Source: WikiPedia