B-57 Canberra Martin

The Martin B-57 Canberra was a twin jet engine, light bomber and reconnaissance aircraft (photographic, electronics, and meteorological) which entered service in the 1950s. Originally based on the British English Electric Canberra, the US-built B-57 had evolved into several unique variants.

Type: Bomber
Crew: 2
Manufacturer: Martin
Models: see variants

Maiden flight: July 20, 1953
Service Delivery: 1954
Number built: 403

Specifications: B-57B Canberra
Powerplant:
Model: Wright J65-W-5
Type: Turbojet
Number: Two
Thrust: 7,220 lb

Dimensions:
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 ft² (89 m²)
Weights:
Empty: 27,090 lb (12,285 kg)
Loaded: 40,345 lb (18,300 kg)
Max takeoff: 53,720 lb (24,365 kg)
Avionics
– APW-11 Bombing Air Radar Guidance
System
– SHORAN bombing system
– APS-54 Radar Warning Receiver

Performance:
Maximum speed: 598 mph (960 kph)
Cruise Speed: 476 mph (765 kph)
Stall Speed: 124 mph (200 kph)
Combat Radius: 950 mi (1,530 km)
Ferry Range: 2,720 mi (4,380 km)
Service ceiling: 45,100 ft (13,745 m)
Rate of climb: 6,180 ft/min (31.4 m/s)
Wing loading: 42 lb/ft² (205 kg/m²)
Thrust/weight: 0.36

Armament:
4× 20 mm M39 cannon
– Ammunition: 290 rounds/gun
Bombload:
– 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

Sources:
Wikipedia: B-57 Canberra