Martin Aircraft Company
Martin B-57 Canberra
General Info
Martin B-57 Canberra
| Role | Tactical bomber |
|---|---|
| Manufacturer | Martin |
| First flight | 20 July 1953 |
| Introduction | 1954 |
| Retired | 1983 (USAF)1985 (Pakistan) |
| Status | Retired from military service; 3 in use by NASA |
| Primary users | United States Air Force Pakistan Air Force Republic of China Air Force |
| Number built | 403 |
| Developed from | English Electric Canberra |
| Variants | Martin RB-57D Canberra |
| Developed into | Martin/General Dynamics RB-57F Canberra |
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History Martin Aircraft Company
Martin B-57 Canberra
The Martin B-57 Canberra is an American-built, twin-engined tactical bomber and reconnaissance aircraft that entered service with the United States Air Force (USAF) in 1953. The B-57 is a license-built version of the British English Electric Canberra, manufactured by the Glenn L. Martin Company. Initial Martin-built models were virtually identical to their British-built twinjet counterparts; Martin later modified the design to incorporate larger quantities of US-sourced components and produced the aircraft in several variants
The B-57 Canberra holds the distinction of being the first jet bomber in U.S. service to drop bombs during combat.[3] The Canberra was used extensively during the Vietnam War in a bombing capacity; specialized versions of the type were also produced and served as high-altitude aerial reconnaissance platforms (the Martin RB-57D Canberra), and as electronic warfare aircraft. The B-57 Canberra was also sold to export customers abroad; further combat use was seen by the Pakistani Air Force during the Indo-Pakistani War of 1965 and the Indo-Pakistani War of 1971..
Further development
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Martin B-57 Canberra
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Martin B-57 Canberra
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General characteristics
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- Crew: 2 (pilot, navigator)
- Length: 65 ft 6 in (20.0 m)
- Wingspan: 64 ft 0 in (19.5 m)
- Height: 14 ft 10 in (4.52 m)
- Wing area: 960 sq ft (89 m2)
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Powerplant
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- Empty weight: 27,090 lb (12,285 kg)
- Gross weight: 40,345 lb (18,300 kg)
- Max takeoff weight: 53,720 lb (24,365 kg)
- Zero-lift drag coefficient: 0.0119
- Drag area: 11.45 ft2 (1.06 m2)
- Aspect ratio: 4.27
- Powerplant: 2 × Wright J65-W-5 turbojets, 7,220 lbf (32.1 kN) thrust each
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Specifications
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- Maximum speed: 598 mph (960 km/h, 520 kn) at 2,500 ft (760 m)
- Maximum speed: Mach 0.79
- Cruise speed: 476 mph (765 km/h)
- Stall speed: 124 mph (200 km/h
- Combat range: 950 mi (1,530 km, 825 nmi) with 5,250 lb (2,380 kg) of bombs
- Ferry range: 2,720 mi (4,380 km,
- Service ceiling: 45,100 ft (13,745 m)
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Performance
- Guns: 4× 20 mm (0.787 in) M39 cannon, 290 rounds/gun
- Bombs: ** 4,500 lb (2,000 kg) in bomb bay, including nuclear bombs
- 2,800 lb (1,300 kg) on four external hardpoints, including unguided rockets
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