Название: North American X-15/X-15A-2 Автор(ы): Ben Guenther, Jay Miller, Terry Panopalis Издательство: Midland Counties Publications Серия: Aerofax Datagraph 02 Год: 1985 ISBN: 0-942548-34-5 Страниц: 68 Язык: English Формат: PDF Размер: 62 MB
On the limit of aircraft and spacecraft, the X-15 reached Mach 6.72 and an height of 107960 m. The X-15 was designed to resist the heat and friction of atmospheric reentry. It was powered by rocket engines. The X-15A-2 version could carry two large external fuel tanks. Three X-15s were built, one was lost in a fatal accident.