Toward Mach 2: The Douglas D-558 Program (NASA History Series)
	Категория: Военное дело » Военная техника » Самолеты
		Автор: J. D. Hunley Издательство: National Aeronautics and Space Administration Год издания: 1999 isbn: 0160499623 Количество страниц: 173 Язык: english Формат: PDF (scan) Размер: 21 Мб Каталожный номер: 103014	In the long and proud history of flight research at what is now called the NASA Dryden Flight Research Center, the D-558 project holds a special place as being one of the earliest and most productive flight research efforts conducted here. Data from the D-558 and the early X-planes enabled researchers at what became NASA’s Langley Research Center to correlate and correct test results from wind tunnels with actual flight values. Then, the combined results of flight and wind-tunnel testing enabled the U.S. aeronautical community to solve many of the problems that occur in the transonic speed range (about 0.8 to 1.2 times the speed of sound), such as pitchup, buffeting, and other instabilities. This enabled reliable and routine flight of such aircraft as the century series of fighters (F-100, F-102, F-104, etc.) as well as all commercial transport aircraft from the mid-1950s to the present.
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	0 Опубликовал: oleksandr74 | 20-11-2013, 10:12 | Просмотров: 502   Комментарии (0)  Печать