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XB-70 Valkyrie 1966 emergency landing

Planesanity

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75,870 次观看 • 2 个月前 •via X (Twitter)

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Throwback to Apr 30, 1966 The XB-70 Valkyrie (AV-2) suffered a landing gear malfunction after takeoff from Edwards AFB. Hours later, it returned at 173 knots - with locked brakes and burning tires on landing.

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On this day in 1966, a routine photo op turned into one of the most devastating tragedies in military aviation history. Here's a short video of what happened to Prototype No. 2 of the North American XB-70 Valkyrie.

On this day in 1966, a routine photo op turned into one of the most devastating tragedies in military aviation history. Here's a short video of what happened to Prototype No. 2 of the North American XB-70 Valkyrie.

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On June 8, 1966, a NASA F-104 collided mid-air with the XB-70 Valkyrie during a GE photo formation over California. Caught in the XB-70's wingtip vortex, the F-104 rolled inverted, struck the bomber's tail/wing. After the collision sheared off the XB-70's vertical stabilizers, the bomber entered a violent flat spin with high g-forces. - Joe Walker (F-104) was killed instantly in the explosion/impact. - Major Carl Cross (XB-70 co-pilot) died in the crash; he did not eject.(Likely reasons: incapacitated by extreme g-forces/centrifugal forces in the spin, which prevented him from retracting his seat or activating the system; a seat retraction mechanism failed under the overload; or he delayed initiation too long as the spin built.) - Al White (XB-70 Pilot) ejected using the XB-70's unique clamshell-like escape capsule but was seriously injured (his arm was crushed by the closing capsule doors during the sequence). He survived.🫡

On June 8, 1966, a NASA F-104 collided mid-air with the XB-70 Valkyrie during a GE photo formation over California. Caught in the XB-70's wingtip vortex, the F-104 rolled inverted, struck the bomber's tail/wing. After the collision sheared off the XB-70's vertical stabilizers, the bomber entered a violent flat spin with high g-forces. - Joe Walker (F-104) was killed instantly in the explosion/impact. - Major Carl Cross (XB-70 co-pilot) died in the crash; he did not eject.(Likely reasons: incapacitated by extreme g-forces/centrifugal forces in the spin, which prevented him from retracting his seat or activating the system; a seat retraction mechanism failed under the overload; or he delayed initiation too long as the spin built.) - Al White (XB-70 Pilot) ejected using the XB-70's unique clamshell-like escape capsule but was seriously injured (his arm was crushed by the closing capsule doors during the sequence). He survived.🫡

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On this day in 1964, the North American XB-70 Valkyrie makes its maiden flight. Only two of the experimental Mach-3 bombers are built; the program is cancelled in 1969.

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In 1999 this plane made an emergency landing with no flaps or gear. You can see even with a smaller plane just how difficult it is to accomplish this feat.

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On Apr. 30, 1966, the second XB-70 prototype, Air Vehicle 2 (AV 2), suffered a short circuit in the landing gear retraction system shortly after takeoff from Edwards Air Force Base. As a result of this malfunction, the nose gear was blown back into the partially retracted gear well door, and the tires were slashed. The malfunction caused hydraulic pressure to remain on three of the four main wheel brakes which, being locked when the XB-70 landed at 173 knots hours later, led to the burn-up of the Valkyrie's main landing gear tires.

On Apr. 30, 1966, the second XB-70 prototype, Air Vehicle 2 (AV 2), suffered a short circuit in the landing gear retraction system shortly after takeoff from Edwards Air Force Base. As a result of this malfunction, the nose gear was blown back into the partially retracted gear well door, and the tires were slashed. The malfunction caused hydraulic pressure to remain on three of the four main wheel brakes which, being locked when the XB-70 landed at 173 knots hours later, led to the burn-up of the Valkyrie's main landing gear tires.

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The XB-70 Valkyrie was seriously considered as a launch platform for a variety of test aircraft, including the X-15 rocketplane, taking them to Mach 3+ at high altitude. It would have been... magnificent:

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Known today as compression lift, the idea of the XB-70's folding wingtips, was to use the shock waves generated by its own supersonic flight to generate lift. This clip shows what the Valkyrie could have been.

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