Boeing B-29 Superfortress - Specifications (B-29)

Specifications (B-29)

Data from Quest for Performance

General characteristics

  • Crew: 10 (bombardier, pilot, co-pilot, flight engineer, navigator, radio operator, 2 side gunners, gun commander, tail gunner)
  • Length: 99 ft 0 in (30.18 m)
  • Wingspan: 141 ft 3 in (43.06 m)
  • Height: 29 ft 7 in (8.5 m)
  • Wing area: 1,736 sq ft (161.3 m²)
  • Aspect ratio: 11.50
  • 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) ; 135,000 lb plus combat load
  • Powerplant: 4 × Wright R-3350-23 and 23A Duplex Cyclone turbosupercharged radial engines, 2,200 hp (1,640 kW) each
  • Zero-lift drag coefficient: 0.0241
  • Drag area: 41.16 ft² (3.82 m²)

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 nmi, 5,230 km)
  • Ferry range: 5,600 mi (4,900 nmi, 9,000 km, )
  • Service ceiling: 31850 ft (9,710 m)
  • Rate of climb: 900 ft/min (4.6 m/s)
  • Wing loading: 69.12 lb/sqft (337 kg/m²)
  • Power/mass: 0.073 hp/lb (121 W/kg)
  • Lift-to-drag ratio: 16.8

Armament

  • Guns:
    • 10× .50 caliber (12.7mm) Browning M2/ANs in remote-controlled turrets.
    • 2× .50 BMG in and 1× 20 mm M2 cannon in tail position (the cannon was later removed)
  • Bombs: 20,000 lb (9,000 kg) standard loadout.

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