1 00:00:51,990 --> 00:00:49,320 able to fly from airport runways 2 00:00:55,290 --> 00:00:52,000 directly into his orbit and withstand 3 00:00:57,840 --> 00:00:55,300 temperatures up to 5,000 degrees the 4 00:00:59,700 --> 00:00:57,850 National aerospace plane represents the 5 00:01:05,189 --> 00:00:59,710 future in aeronautics and space 6 00:01:07,290 --> 00:01:05,199 technology NASA and the Department of 7 00:01:09,210 --> 00:01:07,300 Defense are co-sponsoring a unique 8 00:01:11,850 --> 00:01:09,220 cooperative effort among aerospace 9 00:01:14,400 --> 00:01:11,860 companies to design and develop the 10 00:01:16,680 --> 00:01:14,410 airframe materials and systems for the 11 00:01:20,790 --> 00:01:16,690 national aerospace plane scheduled to 12 00:01:23,100 --> 00:01:20,800 begin flights in the late 1990s the 13 00:01:25,109 --> 00:01:23,110 aerospace plane follows in the footsteps 14 00:01:27,330 --> 00:01:25,119 of a distinguished series of 15 00:01:30,469 --> 00:01:27,340 experimental aircraft that overcame many 16 00:01:33,660 --> 00:01:30,479 obstacles beginning with the bell x-1 17 00:01:37,290 --> 00:01:33,670 Chuck Yeager's historic flight broke the 18 00:01:39,810 --> 00:01:37,300 sound barrier in the 60s the x-15 flew 19 00:01:43,230 --> 00:01:39,820 at seven times the speed of sound 20 00:01:45,450 --> 00:01:43,240 more recently the x29 with its 21 00:01:47,649 --> 00:01:45,460 sophisticated forward swept wing design 22 00:01:50,669 --> 00:01:47,659 proved advanced materials 23 00:01:55,539 --> 00:01:50,679 pewter rated controls yield unmatched 24 00:01:58,480 --> 00:01:55,549 maneuverability when the next 25 00:01:59,230 --> 00:01:58,490 experimental plane the x30 becomes a 26 00:02:01,709 --> 00:01:59,240 reality 27 00:02:04,690 --> 00:02:01,719 it will furnace a set of ramjet scramjet 28 00:02:07,959 --> 00:02:04,700 sand finally rocket propulsion flying 29 00:02:10,839 --> 00:02:07,969 directly into orbit the promise of 30 00:02:13,270 --> 00:02:10,849 low-cost access to space has also 31 00:02:15,339 --> 00:02:13,280 encouraged the Europeans and Japanese to 32 00:02:19,449 --> 00:02:15,349 begin working on their own versions of 33 00:02:21,670 --> 00:02:19,459 the space plane while the interest in 34 00:02:24,580 --> 00:02:21,680 creating such a technology is very high 35 00:02:28,180 --> 00:02:24,590 it presents unique can even daunting 36 00:02:31,720 --> 00:02:28,190 challenges no existing plane or wind 37 00:02:35,860 --> 00:02:31,730 tunnel can duplicate the 17,500 miles 38 00:02:37,869 --> 00:02:35,870 per hour the X 30 will attain computer 39 00:02:40,000 --> 00:02:37,879 models are being used to simulate the 40 00:02:41,979 --> 00:02:40,010 shock waves and heat the X 30 will 41 00:02:45,699 --> 00:02:41,989 encounter as it roars through Earth's 42 00:02:49,240 --> 00:02:45,709 atmosphere nearly 30 times faster than a 43 00:02:51,430 --> 00:02:49,250 jet airliner materials for the plane 44 00:02:53,740 --> 00:02:51,440 must meet rival needs of strength 45 00:02:57,430 --> 00:02:53,750 lightness and ability to withstand 46 00:02:59,979 --> 00:02:57,440 searing temperatures at re-entry unlike 47 00:03:02,830 --> 00:02:59,989 a previous design resembling a Concorde 48 00:03:05,110 --> 00:03:02,840 the new x thirties wide fuselage 49 00:03:09,670 --> 00:03:05,120 provides much of the plane's lift and 50 00:03:15,130 --> 00:03:12,670 a wide nose directs airflow into the 51 00:03:18,039 --> 00:03:15,140 planes air breathing ramjet and scramjet 52 00:03:20,170 --> 00:03:18,049 engines dual vertical tails have been 53 00:03:24,890 --> 00:03:20,180 added for greater stability at all 54 00:03:30,949 --> 00:03:28,220 America's national aerospace plane 55 00:03:34,290 --> 00:03:30,959 technology that promises affordable