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Martin Xb-27The Martin XB-27 (Martin Model 182) was a plane 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 the B-26 Marauder. The XB-27 never made it past paper, and no prototypes were built. Specifications (XB-27) General Characteristics - Crew: seven
- Length: 60 ft 9 in (18.52 m)
- Wingspan: 84 ft 0 in (25.61 m)
- Height: 20 ft 0 in (6.10 m)
- Wing area: ft² ( m²)
- Empty: lb ( kg)
- Loaded: 32,970 lb (14,986 kg)
- Maximum takeoff: lb ( kg)
- Powerplant: 2× Pratt & Whitney R-2800-9 radial engines, 2,000 hp (1,492 kW) each
Performance (estimated) - Maximum speed: 279 mph (446 km/h)
- Range: 2,900 miles (4,640 km)
- Service ceiling: 33,500 ft (10,213 m)
- Rate of climb: ft/min ( m/min)
- Wing loading: lb/ft² ( kg/m²)
- Power/Mass: 0.12 hp/lb (0.20 kW/kg)
Armament - 3× .30-calibre machine gun
- 1× .50-calibre machine gun
- > 4,000 lb (1,818 kg) of bombs
References Related content Related development: Comparable aircraft: Designation sequence: B-24 - B-25 - B-26 - XB-27 - XB-28 - B-29 - XB-30 See also: B-27, Martin
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