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North American XB-70 Valkyrie
North American · Bomber · USA · Early Jet (1946–1969)
The North American Aviation XB-70 Valkyrie is a retired prototype version of the planned B-70 nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force Strategic Air Command. Designed by North American Aviation in the late 1950s, the Valkyrie was a large six-engine, delta-winged aircraft able to fly Mach 3+ at an altitude of 70,000 feet.
Specifications
- Category
- Fixed Wing
- Sub-Category
- Bomber
- Domain
- Defence
- Era
- Early Jet (1946–1969)
- Country
- USA
- Manufacturer
- North American
- Operator
- USA (experimental)
- Primary Role
- Bomber
- Status
- Retired
- Service Entry
- 1964
- Produced
- 2
- Propulsion
- Electric
- Engine
- 6x General Electric YJ93-GE-3 turbojets with afterburner
- Thrust / Power
- 30,000 lbf each
- Launch
- Ground
- Length (ft)
- 196
- Wingspan (ft)
- 105
- Empty Weight (lb)
- 210000
- MTOW (lb)
- 550000
- Service Ceiling (ft)
- 77350
- Range (mi)
- 4288
- Max Speed (mph)
- 2056
- Max Speed (Mach)
- 3.1
- Armament
- Nuclear bomb bays (design intent, never operational)