Science and Technology, North American's X-15

X-15 The X-plane with the longest and most successful career was North American's X-15. It was powered by a throttleable XLR99 rocket engine of 57,000-pound thrust.

Still showing traces of oxygen frost on its belly, the aircraft here is just touching down on its landing skids after a successful flight. As with the X-2, the steel boat-shaped skids saved precious internal space to be used for fuel. The wedge-shaped lower portion of its fin has been jettisoned prior to the landing; it will be retrieved to be used again. x15-1_072 (72 dpi) - 12294 Bytes xseries/x15-1_300 (300 dpi) - 90917 Bytes

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