North American XB-21 - Specifications (XB-21)

Specifications (XB-21)

Data from

General characteristics

• Crew: Six to eight
• Length: 61 ft 9 in (18.82 m)
• Wingspan: 95 ft 0 in (28.96 m)
• Height: 14 ft 9 in (4.50 m)
• Wing area: 1,120 sq ft (104 m2)
• Empty weight: 19,082 lb (8,655 kg)
• Gross weight: 27,253 lb (12,362 kg)
• Max takeoff weight: 40,000 lb (18,144 kg)
• Powerplant: 2 × Pratt & Whitney R-2180 Twin Hornet turbosupercharged radial engines, 1,200 hp (890 kW) each
• Propellers: 3-bladed

Performance

• Maximum speed: 220 mph (354 km/h; 191 kn) at 10,000 feet (3,000 m)
• Cruise speed: 190 mph (165 kn; 306 km/h)
• Range: 1,960 mi (1,703 nmi; 3,154 km) with 2,200 pounds (1,000 kg) of bombs
• Combat range: 600 mi (521 nmi; 966 km) with 10,000 pounds (4,500 kg) of bombs
• Service ceiling: 25,000 ft (7,620 m)
• Time to altitude: 10 minutes to 10,000 feet (3,000 m)

Armament

• Guns: Five .30-calibre machine guns, mounted in single turrets in the nose and dorsal positions, and single manually operated mounts in the waist and ventral positions.
• Bombs: Up to 10,000 pounds (4,500 kg) in an internal bay.