Crew: 11 Length: 99 ft 0 in (30.2 m) Wingspan: 141 ft 3 in (43.1 m) Height: 29 ft 7 in (8.5 m) Maximum speed: 357 mph (310 knots, 574 km/h) Cruise speed: 220 mph (190 knots, 350 km/h) Stall speed: 105 mph (91 knots, 170 km/h) Combat range: 3,250 mi (2,820 nm, 5,230 km) Ferry range: 5,600 mi (4,900 nm, 9,000 km) Service ceiling 33,600 ft (10,200 m)

Role: Strategic bomber
First flight : 21 September 1942
Introduced: 8 May 1944
Retired: 21 June 1960
Status: Scrapped except for those in museums
Primary users: United States Army Air Forces, United States Air Force, Royal Air Force, Royal Australian Air Force
Produced: 1943 – 1946
Number built: 3,970
Unit cost: US$639,188

Specifications (B-29)

General characteristics

Crew: 11: (A/C)Airplane Commander, Pilot, flight engineer (a rated pilot), bombardier, navigator, radio operator, radar operator, blister gunners (two), CFC upper gunner, and tail gunner
Length: 99 ft 0 in (30.2 m)
Wingspan: 141 ft 3 in (43.1 m)
Height: 29 ft 7 in (8.5 m)
Wing area: 1,736 ft² (161.3 m²)
Empty weight: 74,500 lb (33,800 kg)
Loaded weight: 120,000 lb (54,000 kg)
Max takeoff weight: 133,500 lb (60,560 kg)
Powerplant: 4× Wright R-3350-23 and 23A turbosupercharged radial engines, 2,200 hp (1,640 kW) each
Zero-lift drag coefficient: 0.0241
Drag area: 41.16 ft² (3.82 m²)
Aspect ratio: 11.50

Performance

Maximum speed: 357 mph (310 knots, 574 km/h)
Cruise speed: 220 mph (190 knots, 350 km/h)
Stall speed: 105 mph (91 knots, 170 km/h)
Combat range: 3,250 mi (2,820 nm, 5,230 km)
Ferry range: 5,600 mi (4,900 nm, 9,000 km)
Service ceiling 33,600 ft (10,200 m)
Rate of climb: 900 ft/min (4.6 m/s)
Wing loading: 69.12 lb/ft² (337 kg/m²)
Power/mass: 0.073 hp/lb (121 W/kg)
Lift-to-drag ratio: 16.8

Armament

Guns:
8 to 10× .50 in (12.7 mm) caliber Browning M2/ANs in remote controlled turrets
2 x .50 in and 1× 20 mm M2 cannon in tail position (the cannon was eventually removed as it proved unreliable in service )
B-29B-BW - All armament and sighting equipment removed except for tail position; initially 2 x .50 in M2/AN and 1× 20 mm M2 cannon, later 3 x 2 x .50 in M2/AN with APG-15 gun-laying radar fitted as standard.
Bombs: 20,000 lb (9,000 kg) standard loadout, could be modified to externally carry two 22,000 lb (10,000 kg) T-14 "Earthquake" bombs.

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Source: WikiPedia