موسوعه الطائرات الحربية

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B-17 Flying Fortress

Primary Function: Heavy bomber
Contractor: Boeing
Crew: 10 (Pilot, Co-Pilot, Engineer, Bombardier, Radioman, 5 Gunners)
Unit Cost: $276,000 (B-17G)
Powerplant
Four 1,200 h.p. Wright R-1820-97 radial piston engines
Dimensions
Length: 74 feet, 4 inches (22.66 m)
Wingspan: 103 feet, 10 inches (31.65 m)
Height: 19 feet, 1 inch (5.82 m)
Weights
Empty: 36,135 lb
Maximum Takeoff: 54,000 lb (gross)
Performance
Speed: 300 mph (483 km/h)
Ceiling: 35,000 ft (10667 m)
Range: 1,850 miles (2979 km)
Armament
Thirteen .50 caliber machine guns, up to 17,600 lb.(short range) bombload
Service Life
First Flight: July 28, 1935 (prototype)
December 2, 1936 (Y1B-17A)
End of Service: May 1945
Number Built: [12,726 total]