Martin XB-27

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XB-27
Role High-altitude medium bomber
National origin United States
Manufacturer Glenn L. Martin Company
Developed from Martin B-26 Marauder

The Martin XB-27 (Martin Model 182) was an aircraft proposed by the Glenn L. Martin Company to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. Its design was based approximately on that of Martin's own B-26 Marauder. The XB-27 remained on paper, and no prototypes were built.

Specifications (as designed)[edit]

Data from [1]

General characteristics

  • Crew: 7
  • Length: 60 ft 9 in (18.52 m)
  • Wingspan: 84 ft 0 in (25.60 m)
  • Height: 20 ft 0 in (6.10 m)
  • Powerplant: 2 × Pratt & Whitney R-2800-9 , 2,000 shp (1,500 kW) each
  • Propellers: 4-bladed constant-speed propellers

Performance

  • Maximum speed: 280 mph (450 km/h, 240 kn)
  • Range: 2,900 mi (4,700 km, 2,500 nmi)
  • Service ceiling: 33,500 ft (10,200 m)
  • Power/mass: 0.12 hp/lb (0.20 kW/kg)

Armament

  • Guns:
    • 3 × .30 in (7.6 mm) machine guns
    • 1 × .30 in (7.6 mm) machine gun
  • Bombs: >4,000 lb (1,800 kg)
  • See also[edit]

    Related development

    Aircraft of comparable role, configuration and era

    Related lists

    References[edit]

    1. ^ Heyman, Jos (2015). UNITED STATES MILITARY AIRCRAFT : Air Force : B=Bomber.