North American Aviation XB-70 Valkyrie PDF eBook + Aircraft Flight Manuals

General Characteristics

• Crew: 2
• Length: 189 ft 0 in (57.6 m)
• Wingspan: 105 ft 0 in (32 m)
• Height: 30 ft 0 in (9.1 m)
• Wing area: 6,297 ft² (585 m²)
• Airfoil: Hexagonal; 0.30 Hex modified root, 0.70 Hex modified tip
• Empty weight: 253,600 lb (115,030 kg; operating empty weight)
• Loaded weight: 534,700 lb (242,500 kg)
• Max. takeoff weight: 542,000 lb (246,000 kg)
• Powerplant: 6 × General Electric YJ93-GE-3 afterburning turbojet
• Dry thrust: 19,900 lbf[73] (84 kN) each
• Thrust with afterburner: 28,800 lbf[74] (128 kN) each
• Internal fuel capacity: 300,000 lb (136,100 kg) or 46,745 US gallons (177,000 L)

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) on combat mission
• 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
• Thrust/weight: 0.314

• XB-70A – Prototype of B-70. Two were built.
  • AV-1, NAA Model Number NA-278, USAF S/N 62-0001, completed 83 flights spanning 160 hours and 16 minutes.
  • AV-2, NAA Model Number NA-278, USAF S/N 62-0207, flew 46 times over 92 hours and 22 minutes, before it crashed in June 1966.
• XB-70B – AV-3, NAA Model Number NA-274, USAF S/N 62-0208, was originally to be the first YB-70A in March 1961. This advanced prototype was canceled during early manufacture.
• YB-70 – Planned preproduction version with improvements based on XB-70s.
• B-70A – Planned bomber production version of Valkyrie.[6] A fleet of up to 65 operational bombers was planned.
• RS-70 – Proposed reconnaissance-strike version with a crew of four and in-flight refueling capability.