XB-70 Stats

•  Crew: 2 (pilot and co-pilot for the prototypes) 

•  Length: 185 ft (56.4 m) 

•  Wingspan: 105 ft (32 m) 

•  Height: 30 ft (9.1 m) 

•  Empty Weight: 253,600 lb (115,000 kg) 

•  Max Takeoff Weight: 542,000 lb (246,000 kg) 

•  Engines: 6 × General Electric YJ93 afterburning turbojets, each producing 28,000 lbf (124 kN) thrust with afterburner 

•  Maximum Speed: Mach 3.1 (2,056 mph or 3,310 km/h) 

•  Cruise Speed: Mach 3 (2,000 mph or 3,220 km/h) 

•  Range: 4,288 miles (6,900 km) 

•  Service Ceiling: 77,350 ft (23,600 m)