The North American XB-28/NA-63 Dragon was an aircraft proposed by North American Aviation to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber.
It never entered production, with only two prototypes being built.
Specifications
Crew
Five
Length
56 ft 4 in (17.17 m)
Wingspan
72 ft 6 in (22.10 m)
Height
22 ft 0 in (6.71 m)
Wing area
675.9 sq ft (62.79 m2)
Empty weight
25,575 lb (11,601 kg)
Gross weight
35,763 lb (16,222 kg)
Max take-off weight
39,135 lb (17,751 kg)
Powerplant
2 × Pratt & Whitney R-2800-27 18 cylinder, air-cooled, radial, turbo supercharged, piston engines, 2,000 hp (1,500 kW) each