HISTORY:
First Flight 21 September 1964
Service Entry
did not enter service
CREW: (XB-70A) 2 pilots
(B-70A) 2 pilots and 2 crewman
ESTIMATED COST: $700 million (prototype)
AIRFOIL SECTIONS:
Wing Root 0.30 Hex (Mod)
Wing Tip
0.70 Hex (Mod)
DIMENSIONS:
Length 185.83 ft (56.69 m) without pitot tube
192.17 ft (58.63 m) with pitot tube
Wingspan 105.00 ft (32.03 m)
Height 30.75 ft (9.38 m)
Wing Area 6,298 ft2 (586.2 m2)
Canard Area
415.6 ft2 (38.68 m2)
WEIGHTS:
Empty 300,000 lb (136,365 kg)
Typical Load 534,700 lb (243,045 kg)
Max Takeoff 542,000 lb (246,365 kg)
Fuel Capacity internal: unknown
external: unknown
Max Payload
20,000 lb (9,070 kg) planned for production B-70
PROPULSION:
Powerplant six General Electric J-93 afterburning turbojets
Thrust 180,000 lb (800.71 kN)
PERFORMANCE:
Max Level Speed at altitude: 2,056 mph (3,310 km/h) at 73,000 ft (22,270 m), Mach 3.1
at sea level: unknown
cruise speed: 2,000 mph (3,200 km/h) at 72,000 ft (21,965 m), Mach 3.0
Initial Climb Rate unknown
Service Ceiling 77,350 ft (23,600 m)
Range typical: 3,725 nm (6,900 km) [XB-70]
typical: 6,600 nm (12,230 km) [B-70]
ferry: unknown
g-Limits unknown
ARMAMENT:
Gun none
Stations production model designed with 2 internal bomb bays
Air-to-Air Missile none
Air-to-Surface Missile none
Bomb up to 14 nuclear bombs planned
Other none