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United States' Boeing B-17G Flying Fortress

Design

The Boeing B-17G Flying Fortress had better defensive armament. Had electrically operated turbocharger controls installed. Some models had radar.

Defenses

Below the navigator was a forward turret that was remote controlled. New chin turret installed. Ball turret was replaced by Bendix turret. New tail turret ("Cheyenne").

Prototype

First flown in May 1943.

Production

  • Manufacturer: Boeing Aircraft Company

Variants

  • B-17G / Fortress III:

Specifications

  Boeing B-17G Flying Fortress
Type Bomber, Heavy bomber, Medium / heavy bomber
Crew 9, 9 - 10, 10
Engine (Type) 4: Wright R-1820-97 Cyclone turbo charged piston
4: Wright R-1820-97
Cylinders Radial, Radial 9
Cooling Air
HP 1,200 each
1,200 each takeoff
1,380 each war emergency
Propeller blades 3 each
Dimensions  
Span 103' 9"
31.62 m
Length 74' 4", 74' 9"
22.66 m, 22.78 m
Height 19' 1"
5.82 m
Wing area 1,420 ft2
131.92 m2
Weight  
Empty 36,135 lb, 36,136 lb, 38,000 lb
16,391 kg, 17,237 kg
Loaded 65,499 lb, 65,500 lb, 72,000 lb
29,710 kg, 29,711 kg, 32,660 kg
Maximum load 72,000 lb
32,659 kg, 32,660 kg
Performance  
Speed @ 25,000' /
7,620 m
Normal: 286 mph 287 mph
462 kph
War emergency: 302 mph
486 kph
Speed @ 25,230' /
7,690 m
287 mph
462 kph
Cruising speed 160 - 182 mph
257 - 293 kph
Climb to 20,000 ' /
6,095 m
37 minutes
Service ceiling 35,600'
10,850 m
Range with 4,000 lb /
1,815 kg bomb load
1,800 miles
2,900 km
Range with 6,000 lb /
2,722 kg bomb load
2,000 miles
3,219 km, 3,220 km
Range with 6,007 lb /
2,725 kg bomb load
2,000 miles
3,220 km
Maximum range 2,000 miles, 3,400 miles
5,471 km
Armament 13: MG
13: 12.7 mm MG
10 - 13: 0.5" MG
Chin turret 2: 12.7 mm MG
Rear cockpit turret 2: 12.7 mm MG
Ventral turret 2: 12.7 mm MG
Tail 2: 12.7 mm MG
Nose sides 2: 12.7 mm MG
Radio operator hatch 1: 12.7 mm MG
Waist positions 2: 12.7 mm MG
Bombs 4,000 lb, 17,600 lb, 17,640 lb
1,815 kg, 7,983 kg, 8000 kg
Bombs - maximum 9,600 lb, 17,600 lb
4,354 kg, 7,983 kg

Sources:

  1. Aircraft of WWII, General Editor: Jim Winchester, 2004
  2. Fighting Aircraft of World War II, Editor: Karen Leverington, 1995
  3. Aircraft of WWII, Stewart Wilson, 1998
  4. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976
  5. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
20th Century American Military History Crucial Site