xb-70_stbd
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xb-70_stbd

Specifications (XB-70A)Data from USAF XB-70 Fact sheet[85]

General characteristics

Crew: 2
Length: 185 ft 10 in (56.6 m)
Wingspan: 105 ft 0 in (32 m)
Height: 30 ft 9 in (9.4 m)
Wing area: 6,296 ft² (585 m²)
Airfoil: Hexagonal; 0.30 Hex modified root, 0.70 Hex modified tip
Empty weight: 210,000 lb (93,000 kg)
Loaded weight: 534,700 lb (242,500 kg)
Max takeoff weight: 550,000 lb (250,000 kg)
Powerplant: 6 × General Electric YJ93-GE-3 afterburning turbojet
Dry thrust: 19,900 lbf[61] (84 kN) each
Thrust with afterburner: 28,800 lbf[62] (128 kN) each
Performance

Maximum speed: Mach 3.1 (2,056 mph, 3,309 km/h)
Cruise speed: Mach 3.0 (2,000 mph, 3,200 km/h)
Range: 3,725 nmi (4,288 mi, 6,900 km) combat
Service ceiling: 77,350 ft (23,600 m)
Wing loading: 84.93 lb/ft² (414.7 kg/m²)
lift-to-drag: about 6 at Mach 2[86]
Thrust/weight: 0.314
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