The Martin B-57 was developed out of the English Electric
Canberra B2, and built by General Dynamics and Martin.
Wing span: 19,50 m.
Length: 19,90 m.
Height: 4,51 m.
Max. speed: 582 mph.(937 km/h.)
Empty weight: 26,000 lbs.(11793 kg.)
Max. weight: 55,000 lbs.(24948 kg.)
Powerplant: two Wright J-65-W-5 turbojets
Thrust: 7,200 lbs.(3265 kg.) (each)