1 00:00:45,600 --> 00:00:50,180 you 2 00:00:50,180 --> 00:00:50,190 3 00:00:50,190 --> 00:00:53,430 plum Brook a field station of the Lewis 4 00:00:53,430 --> 00:00:53,440 plum Brook a field station of the Lewis 5 00:00:53,440 --> 00:00:56,280 plum Brook a field station of the Lewis research center is located about 50 6 00:00:56,280 --> 00:00:56,290 research center is located about 50 7 00:00:56,290 --> 00:00:58,799 research center is located about 50 miles west of Lewis on sixty four 8 00:00:58,799 --> 00:00:58,809 miles west of Lewis on sixty four 9 00:00:58,809 --> 00:01:01,890 miles west of Lewis on sixty four hundred acres of land this vast acreage 10 00:01:01,890 --> 00:01:01,900 hundred acres of land this vast acreage 11 00:01:01,900 --> 00:01:04,619 hundred acres of land this vast acreage provides the required clear zones needed 12 00:01:04,619 --> 00:01:04,629 provides the required clear zones needed 13 00:01:04,629 --> 00:01:07,020 provides the required clear zones needed for safely conducting potentially 14 00:01:07,020 --> 00:01:07,030 for safely conducting potentially 15 00:01:07,030 --> 00:01:11,070 for safely conducting potentially dangerous aerospace tests several large 16 00:01:11,070 --> 00:01:11,080 dangerous aerospace tests several large 17 00:01:11,080 --> 00:01:13,380 dangerous aerospace tests several large unique aerospace test facilities are 18 00:01:13,380 --> 00:01:13,390 unique aerospace test facilities are 19 00:01:13,390 --> 00:01:15,840 unique aerospace test facilities are located at plum Brook these facilities 20 00:01:15,840 --> 00:01:15,850 located at plum Brook these facilities 21 00:01:15,850 --> 00:01:18,120 located at plum Brook these facilities are available to support major national 22 00:01:18,120 --> 00:01:18,130 are available to support major national 23 00:01:18,130 --> 00:01:21,749 are available to support major national aerospace test programs one of these 24 00:01:21,749 --> 00:01:21,759 aerospace test programs one of these 25 00:01:21,759 --> 00:01:24,330 aerospace test programs one of these facilities the space power facility is 26 00:01:24,330 --> 00:01:24,340 facilities the space power facility is 27 00:01:24,340 --> 00:01:26,969 facilities the space power facility is the world's largest space environment 28 00:01:26,969 --> 00:01:26,979 the world's largest space environment 29 00:01:26,979 --> 00:01:30,180 the world's largest space environment simulation chamber 100 feet in diameter 30 00:01:30,180 --> 00:01:30,190 simulation chamber 100 feet in diameter 31 00:01:30,190 --> 00:01:35,670 simulation chamber 100 feet in diameter x 122 feet high in this chamber large 32 00:01:35,670 --> 00:01:35,680 x 122 feet high in this chamber large 33 00:01:35,680 --> 00:01:38,249 x 122 feet high in this chamber large space bound hardware can be ground 34 00:01:38,249 --> 00:01:38,259 space bound hardware can be ground 35 00:01:38,259 --> 00:01:41,190 space bound hardware can be ground tested in a severe environment similar 36 00:01:41,190 --> 00:01:41,200 tested in a severe environment similar 37 00:01:41,200 --> 00:01:43,950 tested in a severe environment similar to that encountered in space the chamber 38 00:01:43,950 --> 00:01:43,960 to that encountered in space the chamber 39 00:01:43,960 --> 00:01:46,050 to that encountered in space the chamber air can be removed to simulate the 40 00:01:46,050 --> 00:01:46,060 air can be removed to simulate the 41 00:01:46,060 --> 00:01:48,540 air can be removed to simulate the vacuum conditions of space up to an 42 00:01:48,540 --> 00:01:48,550 vacuum conditions of space up to an 43 00:01:48,550 --> 00:01:51,980 vacuum conditions of space up to an altitude of about 145 statute miles 44 00:01:51,980 --> 00:01:51,990 altitude of about 145 statute miles 45 00:01:51,990 --> 00:01:55,050 altitude of about 145 statute miles charged argon gas can be added to the 46 00:01:55,050 --> 00:01:55,060 charged argon gas can be added to the 47 00:01:55,060 --> 00:01:57,990 charged argon gas can be added to the chamber while it's at vacuum to simulate 48 00:01:57,990 --> 00:01:58,000 chamber while it's at vacuum to simulate 49 00:01:58,000 --> 00:02:00,540 chamber while it's at vacuum to simulate the actual space plasma environment of 50 00:02:00,540 --> 00:02:00,550 the actual space plasma environment of 51 00:02:00,550 --> 00:02:04,199 the actual space plasma environment of low-earth orbit the very cold 52 00:02:04,199 --> 00:02:04,209 low-earth orbit the very cold 53 00:02:04,209 --> 00:02:06,330 low-earth orbit the very cold temperatures of space can be duplicated 54 00:02:06,330 --> 00:02:06,340 temperatures of space can be duplicated 55 00:02:06,340 --> 00:02:09,389 temperatures of space can be duplicated by means of a cryogenic cold wall the 56 00:02:09,389 --> 00:02:09,399 by means of a cryogenic cold wall the 57 00:02:09,399 --> 00:02:11,460 by means of a cryogenic cold wall the very hot temperatures by means of a 58 00:02:11,460 --> 00:02:11,470 very hot temperatures by means of a 59 00:02:11,470 --> 00:02:14,699 very hot temperatures by means of a quartz lamp heater even the actual 60 00:02:14,699 --> 00:02:14,709 quartz lamp heater even the actual 61 00:02:14,709 --> 00:02:17,280 quartz lamp heater even the actual sunlight experienced in space can be 62 00:02:17,280 --> 00:02:17,290 sunlight experienced in space can be 63 00:02:17,290 --> 00:02:20,370 sunlight experienced in space can be simulated with an existing 400 kilowatt 64 00:02:20,370 --> 00:02:20,380 simulated with an existing 400 kilowatt 65 00:02:20,380 --> 00:02:25,290 simulated with an existing 400 kilowatt arc lamp in 1989 under a cooperative 66 00:02:25,290 --> 00:02:25,300 arc lamp in 1989 under a cooperative 67 00:02:25,300 --> 00:02:26,760 arc lamp in 1989 under a cooperative agreement between the General Dynamics 68 00:02:26,760 --> 00:02:26,770 agreement between the General Dynamics 69 00:02:26,770 --> 00:02:30,240 agreement between the General Dynamics Corporation and NASA this chamber 70 00:02:30,240 --> 00:02:30,250 Corporation and NASA this chamber 71 00:02:30,250 --> 00:02:32,430 Corporation and NASA this chamber supported payload fairing separation 72 00:02:32,430 --> 00:02:32,440 supported payload fairing separation 73 00:02:32,440 --> 00:02:35,580 supported payload fairing separation tests for a new generation of atlas 1 74 00:02:35,580 --> 00:02:35,590 tests for a new generation of atlas 1 75 00:02:35,590 --> 00:02:38,460 tests for a new generation of atlas 1 launch vehicles a few months after 76 00:02:38,460 --> 00:02:38,470 launch vehicles a few months after 77 00:02:38,470 --> 00:02:40,680 launch vehicles a few months after testing at plum Brook the newly designed 78 00:02:40,680 --> 00:02:40,690 testing at plum Brook the newly designed 79 00:02:40,690 --> 00:02:42,870 testing at plum Brook the newly designed fairing successfully protected the 80 00:02:42,870 --> 00:02:42,880 fairing successfully protected the 81 00:02:42,880 --> 00:02:45,390 fairing successfully protected the combined release and radiation effects 82 00:02:45,390 --> 00:02:45,400 combined release and radiation effects 83 00:02:45,400 --> 00:02:47,550 combined release and radiation effects satellite as it was launched into 84 00:02:47,550 --> 00:02:47,560 satellite as it was launched into 85 00:02:47,560 --> 00:02:50,430 satellite as it was launched into low-earth orbit on board the atlas sent 86 00:02:50,430 --> 00:02:50,440 low-earth orbit on board the atlas sent 87 00:02:50,440 --> 00:02:54,720 low-earth orbit on board the atlas sent our vehicle in 1990 the space power 88 00:02:54,720 --> 00:02:54,730 our vehicle in 1990 the space power 89 00:02:54,730 --> 00:02:56,910 our vehicle in 1990 the space power facility qualified expensive flight 90 00:02:56,910 --> 00:02:56,920 facility qualified expensive flight 91 00:02:56,920 --> 00:03:00,420 facility qualified expensive flight hardware for the SDI program here you 92 00:03:00,420 --> 00:03:00,430 hardware for the SDI program here you 93 00:03:00,430 --> 00:03:02,309 hardware for the SDI program here you see a 100 kilowatt power 94 00:03:02,309 --> 00:03:02,319 see a 100 kilowatt power 95 00:03:02,319 --> 00:03:05,339 see a 100 kilowatt power why being processed in a class 10,000 96 00:03:05,339 --> 00:03:05,349 why being processed in a class 10,000 97 00:03:05,349 --> 00:03:08,099 why being processed in a class 10,000 clean room located inside the huge 98 00:03:08,099 --> 00:03:08,109 clean room located inside the huge 99 00:03:08,109 --> 00:03:11,220 clean room located inside the huge vacuum chamber ground testing of this 100 00:03:11,220 --> 00:03:11,230 vacuum chamber ground testing of this 101 00:03:11,230 --> 00:03:13,649 vacuum chamber ground testing of this power supply simulated performance in a 102 00:03:13,649 --> 00:03:13,659 power supply simulated performance in a 103 00:03:13,659 --> 00:03:17,660 power supply simulated performance in a high altitude space plasma environment 104 00:03:17,660 --> 00:03:17,670 high altitude space plasma environment 105 00:03:17,670 --> 00:03:20,490 high altitude space plasma environment more recently this chamber supported 106 00:03:20,490 --> 00:03:20,500 more recently this chamber supported 107 00:03:20,500 --> 00:03:22,979 more recently this chamber supported jettison testing of the eighty six foot 108 00:03:22,979 --> 00:03:22,989 jettison testing of the eighty six foot 109 00:03:22,989 --> 00:03:25,979 jettison testing of the eighty six foot tall 16-foot diameter titan for payload 110 00:03:25,979 --> 00:03:25,989 tall 16-foot diameter titan for payload 111 00:03:25,989 --> 00:03:27,929 tall 16-foot diameter titan for payload fairing under a cooperative agreement 112 00:03:27,929 --> 00:03:27,939 fairing under a cooperative agreement 113 00:03:27,939 --> 00:03:30,629 fairing under a cooperative agreement between the US air force the martin 114 00:03:30,629 --> 00:03:30,639 between the US air force the martin 115 00:03:30,639 --> 00:03:34,619 between the US air force the martin marietta company and nasa this fairing 116 00:03:34,619 --> 00:03:34,629 marietta company and nasa this fairing 117 00:03:34,629 --> 00:03:36,420 marietta company and nasa this fairing the largest ever tested in a vacuum 118 00:03:36,420 --> 00:03:36,430 the largest ever tested in a vacuum 119 00:03:36,430 --> 00:03:38,970 the largest ever tested in a vacuum chamber had internal payload space 120 00:03:38,970 --> 00:03:38,980 chamber had internal payload space 121 00:03:38,980 --> 00:03:40,890 chamber had internal payload space dimensions approximating the Space 122 00:03:40,890 --> 00:03:40,900 dimensions approximating the Space 123 00:03:40,900 --> 00:03:44,339 dimensions approximating the Space Shuttle Orbiter Bay here you see the ten 124 00:03:44,339 --> 00:03:44,349 Shuttle Orbiter Bay here you see the ten 125 00:03:44,349 --> 00:03:46,770 Shuttle Orbiter Bay here you see the ten thousand pound titan four fairing being 126 00:03:46,770 --> 00:03:46,780 thousand pound titan four fairing being 127 00:03:46,780 --> 00:03:49,379 thousand pound titan four fairing being jettisoned under vacuum conditions in 128 00:03:49,379 --> 00:03:49,389 jettisoned under vacuum conditions in 129 00:03:49,389 --> 00:03:53,819 jettisoned under vacuum conditions in the test chamber at plum brook scheduled 130 00:03:53,819 --> 00:03:53,829 the test chamber at plum brook scheduled 131 00:03:53,829 --> 00:03:56,459 the test chamber at plum brook scheduled for nineteen ninety-three is the Erion 132 00:03:56,459 --> 00:03:56,469 for nineteen ninety-three is the Erion 133 00:03:56,469 --> 00:03:59,429 for nineteen ninety-three is the Erion five payload fairing separation test for 134 00:03:59,429 --> 00:03:59,439 five payload fairing separation test for 135 00:03:59,439 --> 00:04:03,000 five payload fairing separation test for the european space agency and for 1994 136 00:04:03,000 --> 00:04:03,010 the european space agency and for 1994 137 00:04:03,010 --> 00:04:05,459 the european space agency and for 1994 and ninety-five the Space Station 138 00:04:05,459 --> 00:04:05,469 and ninety-five the Space Station 139 00:04:05,469 --> 00:04:07,890 and ninety-five the Space Station freedom electric power generation system 140 00:04:07,890 --> 00:04:07,900 freedom electric power generation system 141 00:04:07,900 --> 00:04:10,740 freedom electric power generation system test for the NASA Lewis research center 142 00:04:10,740 --> 00:04:10,750 test for the NASA Lewis research center 143 00:04:10,750 --> 00:04:13,379 test for the NASA Lewis research center and the Space Station freedom laboratory 144 00:04:13,379 --> 00:04:13,389 and the Space Station freedom laboratory 145 00:04:13,389 --> 00:04:15,929 and the Space Station freedom laboratory module radiator test for the Johnson 146 00:04:15,929 --> 00:04:15,939 module radiator test for the Johnson 147 00:04:15,939 --> 00:04:19,860 module radiator test for the Johnson Space Center not only is the space power 148 00:04:19,860 --> 00:04:19,870 Space Center not only is the space power 149 00:04:19,870 --> 00:04:22,080 Space Center not only is the space power facility the world's largest space 150 00:04:22,080 --> 00:04:22,090 facility the world's largest space 151 00:04:22,090 --> 00:04:24,719 facility the world's largest space environment testing chamber it is also 152 00:04:24,719 --> 00:04:24,729 environment testing chamber it is also 153 00:04:24,729 --> 00:04:27,210 environment testing chamber it is also the world's only large vacuum chamber 154 00:04:27,210 --> 00:04:27,220 the world's only large vacuum chamber 155 00:04:27,220 --> 00:04:29,189 the world's only large vacuum chamber capable of handling the highly 156 00:04:29,189 --> 00:04:29,199 capable of handling the highly 157 00:04:29,199 --> 00:04:31,680 capable of handling the highly radioactive tests that would be needed 158 00:04:31,680 --> 00:04:31,690 radioactive tests that would be needed 159 00:04:31,690 --> 00:04:34,170 radioactive tests that would be needed to develop space nuclear electric power 160 00:04:34,170 --> 00:04:34,180 to develop space nuclear electric power 161 00:04:34,180 --> 00:04:37,740 to develop space nuclear electric power generation systems this is possible 162 00:04:37,740 --> 00:04:37,750 generation systems this is possible 163 00:04:37,750 --> 00:04:39,870 generation systems this is possible because the chamber walls are made of 164 00:04:39,870 --> 00:04:39,880 because the chamber walls are made of 165 00:04:39,880 --> 00:04:42,689 because the chamber walls are made of aluminum which has a low Neutron capture 166 00:04:42,689 --> 00:04:42,699 aluminum which has a low Neutron capture 167 00:04:42,699 --> 00:04:45,810 aluminum which has a low Neutron capture cross section this keeps the chamber 168 00:04:45,810 --> 00:04:45,820 cross section this keeps the chamber 169 00:04:45,820 --> 00:04:47,459 cross section this keeps the chamber walls from becoming highly radioactive 170 00:04:47,459 --> 00:04:47,469 walls from becoming highly radioactive 171 00:04:47,469 --> 00:04:50,879 walls from becoming highly radioactive if a space nuclear power reactor is 172 00:04:50,879 --> 00:04:50,889 if a space nuclear power reactor is 173 00:04:50,889 --> 00:04:54,629 if a space nuclear power reactor is operated inside the aluminum chamber is 174 00:04:54,629 --> 00:04:54,639 operated inside the aluminum chamber is 175 00:04:54,639 --> 00:04:56,999 operated inside the aluminum chamber is contained within a second vacuum chamber 176 00:04:56,999 --> 00:04:57,009 contained within a second vacuum chamber 177 00:04:57,009 --> 00:04:59,629 contained within a second vacuum chamber that has eight foot thick concrete walls 178 00:04:59,629 --> 00:04:59,639 that has eight foot thick concrete walls 179 00:04:59,639 --> 00:05:03,230 that has eight foot thick concrete walls which serve as a radiation shield 180 00:05:03,230 --> 00:05:03,240 which serve as a radiation shield 181 00:05:03,240 --> 00:05:05,370 which serve as a radiation shield adjacent to the chamber is a large 182 00:05:05,370 --> 00:05:05,380 adjacent to the chamber is a large 183 00:05:05,380 --> 00:05:08,129 adjacent to the chamber is a large disassembly area which also has eight 184 00:05:08,129 --> 00:05:08,139 disassembly area which also has eight 185 00:05:08,139 --> 00:05:11,370 disassembly area which also has eight foot thick concrete walls this building 186 00:05:11,370 --> 00:05:11,380 foot thick concrete walls this building 187 00:05:11,380 --> 00:05:13,140 foot thick concrete walls this building can be used for remote control 188 00:05:13,140 --> 00:05:13,150 can be used for remote control 189 00:05:13,150 --> 00:05:15,480 can be used for remote control disassembly of large radioactive 190 00:05:15,480 --> 00:05:15,490 disassembly of large radioactive 191 00:05:15,490 --> 00:05:15,990 disassembly of large radioactive hardware 192 00:05:15,990 --> 00:05:16,000 hardware 193 00:05:16,000 --> 00:05:19,980 hardware after tests are complete although the 194 00:05:19,980 --> 00:05:19,990 after tests are complete although the 195 00:05:19,990 --> 00:05:21,870 after tests are complete although the space power facility has not yet been 196 00:05:21,870 --> 00:05:21,880 space power facility has not yet been 197 00:05:21,880 --> 00:05:24,930 space power facility has not yet been used for nuclear testing it stands ready 198 00:05:24,930 --> 00:05:24,940 used for nuclear testing it stands ready 199 00:05:24,940 --> 00:05:27,420 used for nuclear testing it stands ready to support such space power supply 200 00:05:27,420 --> 00:05:27,430 to support such space power supply 201 00:05:27,430 --> 00:05:31,470 to support such space power supply development programs another of plum 202 00:05:31,470 --> 00:05:31,480 development programs another of plum 203 00:05:31,480 --> 00:05:33,990 development programs another of plum brooks world-class facilities is the 204 00:05:33,990 --> 00:05:34,000 brooks world-class facilities is the 205 00:05:34,000 --> 00:05:36,920 brooks world-class facilities is the spacecraft propulsion research facility 206 00:05:36,920 --> 00:05:36,930 spacecraft propulsion research facility 207 00:05:36,930 --> 00:05:40,320 spacecraft propulsion research facility here large upper stage rocket vehicles 208 00:05:40,320 --> 00:05:40,330 here large upper stage rocket vehicles 209 00:05:40,330 --> 00:05:43,200 here large upper stage rocket vehicles can be hot fired in a simulated space 210 00:05:43,200 --> 00:05:43,210 can be hot fired in a simulated space 211 00:05:43,210 --> 00:05:48,720 can be hot fired in a simulated space environment a 38-foot diameter by 55 212 00:05:48,720 --> 00:05:48,730 environment a 38-foot diameter by 55 213 00:05:48,730 --> 00:05:51,510 environment a 38-foot diameter by 55 foot high stainless steel vacuum chamber 214 00:05:51,510 --> 00:05:51,520 foot high stainless steel vacuum chamber 215 00:05:51,520 --> 00:05:54,750 foot high stainless steel vacuum chamber is capable of simulating pressures of 1 216 00:05:54,750 --> 00:05:54,760 is capable of simulating pressures of 1 217 00:05:54,760 --> 00:05:58,640 is capable of simulating pressures of 1 times 10 to the minus 6 tour or about 218 00:05:58,640 --> 00:05:58,650 times 10 to the minus 6 tour or about 219 00:05:58,650 --> 00:06:03,600 times 10 to the minus 6 tour or about 115 statute miles altitude a full-sized 220 00:06:03,600 --> 00:06:03,610 115 statute miles altitude a full-sized 221 00:06:03,610 --> 00:06:06,720 115 statute miles altitude a full-sized launch vehicle up to 100,000 pound 222 00:06:06,720 --> 00:06:06,730 launch vehicle up to 100,000 pound 223 00:06:06,730 --> 00:06:09,150 launch vehicle up to 100,000 pound thrust capability can be loaded in the 224 00:06:09,150 --> 00:06:09,160 thrust capability can be loaded in the 225 00:06:09,160 --> 00:06:10,860 thrust capability can be loaded in the chamber through the top hatch and 226 00:06:10,860 --> 00:06:10,870 chamber through the top hatch and 227 00:06:10,870 --> 00:06:14,790 chamber through the top hatch and secured to the bed plate a cryogenic 228 00:06:14,790 --> 00:06:14,800 secured to the bed plate a cryogenic 229 00:06:14,800 --> 00:06:16,650 secured to the bed plate a cryogenic cold wall simulates the cold 230 00:06:16,650 --> 00:06:16,660 cold wall simulates the cold 231 00:06:16,660 --> 00:06:19,500 cold wall simulates the cold temperatures of space a quartz lamp 232 00:06:19,500 --> 00:06:19,510 temperatures of space a quartz lamp 233 00:06:19,510 --> 00:06:21,900 temperatures of space a quartz lamp heater array simulates the heat from the 234 00:06:21,900 --> 00:06:21,910 heater array simulates the heat from the 235 00:06:21,910 --> 00:06:25,650 heater array simulates the heat from the Sun the facility was designed and built 236 00:06:25,650 --> 00:06:25,660 Sun the facility was designed and built 237 00:06:25,660 --> 00:06:28,469 Sun the facility was designed and built to safely handle the large quantities of 238 00:06:28,469 --> 00:06:28,479 to safely handle the large quantities of 239 00:06:28,479 --> 00:06:31,710 to safely handle the large quantities of liquid hydrogen and oxygen carried on a 240 00:06:31,710 --> 00:06:31,720 liquid hydrogen and oxygen carried on a 241 00:06:31,720 --> 00:06:36,030 liquid hydrogen and oxygen carried on a fully fueled centaur vehicle in test 242 00:06:36,030 --> 00:06:36,040 fully fueled centaur vehicle in test 243 00:06:36,040 --> 00:06:38,850 fully fueled centaur vehicle in test firings of fueled vehicles conducted by 244 00:06:38,850 --> 00:06:38,860 firings of fueled vehicles conducted by 245 00:06:38,860 --> 00:06:41,340 firings of fueled vehicles conducted by remote control from a blockhouse a half 246 00:06:41,340 --> 00:06:41,350 remote control from a blockhouse a half 247 00:06:41,350 --> 00:06:44,250 remote control from a blockhouse a half mile away vehicles experience an 248 00:06:44,250 --> 00:06:44,260 mile away vehicles experience an 249 00:06:44,260 --> 00:06:46,820 mile away vehicles experience an environment similar to that in space at 250 00:06:46,820 --> 00:06:46,830 environment similar to that in space at 251 00:06:46,830 --> 00:06:50,100 environment similar to that in space at the moment of firing an 11 foot diameter 252 00:06:50,100 --> 00:06:50,110 the moment of firing an 11 foot diameter 253 00:06:50,110 --> 00:06:53,580 the moment of firing an 11 foot diameter high vacuum valve springs open at the 254 00:06:53,580 --> 00:06:53,590 high vacuum valve springs open at the 255 00:06:53,590 --> 00:06:55,469 high vacuum valve springs open at the bottom of this diffuser tube and 256 00:06:55,469 --> 00:06:55,479 bottom of this diffuser tube and 257 00:06:55,479 --> 00:06:58,350 bottom of this diffuser tube and releases the rocket exhaust products to 258 00:06:58,350 --> 00:06:58,360 releases the rocket exhaust products to 259 00:06:58,360 --> 00:07:01,890 releases the rocket exhaust products to the spray chamber below the 150 foot 260 00:07:01,890 --> 00:07:01,900 the spray chamber below the 150 foot 261 00:07:01,900 --> 00:07:04,110 the spray chamber below the 150 foot deep spray chamber is filled with a 262 00:07:04,110 --> 00:07:04,120 deep spray chamber is filled with a 263 00:07:04,120 --> 00:07:07,020 deep spray chamber is filled with a chilled water spray that is used to cool 264 00:07:07,020 --> 00:07:07,030 chilled water spray that is used to cool 265 00:07:07,030 --> 00:07:10,409 chilled water spray that is used to cool down the exhaust from the rocket at the 266 00:07:10,409 --> 00:07:10,419 down the exhaust from the rocket at the 267 00:07:10,419 --> 00:07:14,010 down the exhaust from the rocket at the same time huge steam ejectors pump out 268 00:07:14,010 --> 00:07:14,020 same time huge steam ejectors pump out 269 00:07:14,020 --> 00:07:16,080 same time huge steam ejectors pump out the exhaust products from the firing and 270 00:07:16,080 --> 00:07:16,090 the exhaust products from the firing and 271 00:07:16,090 --> 00:07:18,630 the exhaust products from the firing and maintain a high altitude condition 272 00:07:18,630 --> 00:07:18,640 maintain a high altitude condition 273 00:07:18,640 --> 00:07:23,909 maintain a high altitude condition throughout the tests in 1987 the vacuum 274 00:07:23,909 --> 00:07:23,919 throughout the tests in 1987 the vacuum 275 00:07:23,919 --> 00:07:25,320 throughout the tests in 1987 the vacuum chamber portion of this facility 276 00:07:25,320 --> 00:07:25,330 chamber portion of this facility 277 00:07:25,330 --> 00:07:28,320 chamber portion of this facility supported testing of flight hardware for 278 00:07:28,320 --> 00:07:28,330 supported testing of flight hardware for 279 00:07:28,330 --> 00:07:30,260 supported testing of flight hardware for the SDI program 280 00:07:30,260 --> 00:07:30,270 the SDI program 281 00:07:30,270 --> 00:07:32,820 the SDI program ground testing of high-voltage power 282 00:07:32,820 --> 00:07:32,830 ground testing of high-voltage power 283 00:07:32,830 --> 00:07:35,610 ground testing of high-voltage power supplies in a simulated space plasma 284 00:07:35,610 --> 00:07:35,620 supplies in a simulated space plasma 285 00:07:35,620 --> 00:07:37,499 supplies in a simulated space plasma environment determined flight 286 00:07:37,499 --> 00:07:37,509 environment determined flight 287 00:07:37,509 --> 00:07:41,820 environment determined flight performance in advance this facility may 288 00:07:41,820 --> 00:07:41,830 performance in advance this facility may 289 00:07:41,830 --> 00:07:44,700 performance in advance this facility may be fully reactivated to support advanced 290 00:07:44,700 --> 00:07:44,710 be fully reactivated to support advanced 291 00:07:44,710 --> 00:07:46,739 be fully reactivated to support advanced upper stage launch vehicle development 292 00:07:46,739 --> 00:07:46,749 upper stage launch vehicle development 293 00:07:46,749 --> 00:07:48,839 upper stage launch vehicle development for programs such as the space 294 00:07:48,839 --> 00:07:48,849 for programs such as the space 295 00:07:48,849 --> 00:07:54,029 for programs such as the space exploration initiative to Mars the third 296 00:07:54,029 --> 00:07:54,039 exploration initiative to Mars the third 297 00:07:54,039 --> 00:07:56,100 exploration initiative to Mars the third space environment chamber at plum Brook 298 00:07:56,100 --> 00:07:56,110 space environment chamber at plum Brook 299 00:07:56,110 --> 00:07:58,649 space environment chamber at plum Brook the 25 foot diameter cryogenic 300 00:07:58,649 --> 00:07:58,659 the 25 foot diameter cryogenic 301 00:07:58,659 --> 00:08:01,320 the 25 foot diameter cryogenic propellant tank facility is being used 302 00:08:01,320 --> 00:08:01,330 propellant tank facility is being used 303 00:08:01,330 --> 00:08:03,600 propellant tank facility is being used to develop the technology for storing 304 00:08:03,600 --> 00:08:03,610 to develop the technology for storing 305 00:08:03,610 --> 00:08:05,850 to develop the technology for storing and transferring liquid hydrogen in 306 00:08:05,850 --> 00:08:05,860 and transferring liquid hydrogen in 307 00:08:05,860 --> 00:08:10,290 and transferring liquid hydrogen in space recently an 800-gallon slush 308 00:08:10,290 --> 00:08:10,300 space recently an 800-gallon slush 309 00:08:10,300 --> 00:08:12,959 space recently an 800-gallon slush hydrogen batch production plant the 310 00:08:12,959 --> 00:08:12,969 hydrogen batch production plant the 311 00:08:12,969 --> 00:08:15,390 hydrogen batch production plant the nation's first was constructed at the 312 00:08:15,390 --> 00:08:15,400 nation's first was constructed at the 313 00:08:15,400 --> 00:08:17,939 nation's first was constructed at the site to support development testing for 314 00:08:17,939 --> 00:08:17,949 site to support development testing for 315 00:08:17,949 --> 00:08:21,719 site to support development testing for the national aerospace plane here you 316 00:08:21,719 --> 00:08:21,729 the national aerospace plane here you 317 00:08:21,729 --> 00:08:23,879 the national aerospace plane here you see liquid hydrogen being converted to 318 00:08:23,879 --> 00:08:23,889 see liquid hydrogen being converted to 319 00:08:23,889 --> 00:08:27,029 see liquid hydrogen being converted to slush using the freeze-thaw method in 320 00:08:27,029 --> 00:08:27,039 slush using the freeze-thaw method in 321 00:08:27,039 --> 00:08:30,360 slush using the freeze-thaw method in the generator at plum Brook previously 322 00:08:30,360 --> 00:08:30,370 the generator at plum Brook previously 323 00:08:30,370 --> 00:08:32,639 the generator at plum Brook previously slush hydrogen had been produced only in 324 00:08:32,639 --> 00:08:32,649 slush hydrogen had been produced only in 325 00:08:32,649 --> 00:08:34,560 slush hydrogen had been produced only in leader sized quantities in the 326 00:08:34,560 --> 00:08:34,570 leader sized quantities in the 327 00:08:34,570 --> 00:08:38,040 leader sized quantities in the laboratory in addition to its three 328 00:08:38,040 --> 00:08:38,050 laboratory in addition to its three 329 00:08:38,050 --> 00:08:41,250 laboratory in addition to its three large space environment chambers plum 330 00:08:41,250 --> 00:08:41,260 large space environment chambers plum 331 00:08:41,260 --> 00:08:43,920 large space environment chambers plum Brook also has a large hypersonic wind 332 00:08:43,920 --> 00:08:43,930 Brook also has a large hypersonic wind 333 00:08:43,930 --> 00:08:46,980 Brook also has a large hypersonic wind tunnel capable of performing flow tests 334 00:08:46,980 --> 00:08:46,990 tunnel capable of performing flow tests 335 00:08:46,990 --> 00:08:51,780 tunnel capable of performing flow tests at Mach 5 6 or 7 high-pressure nitrogen 336 00:08:51,780 --> 00:08:51,790 at Mach 5 6 or 7 high-pressure nitrogen 337 00:08:51,790 --> 00:08:54,810 at Mach 5 6 or 7 high-pressure nitrogen gas stored in a high volume tank 338 00:08:54,810 --> 00:08:54,820 gas stored in a high volume tank 339 00:08:54,820 --> 00:08:57,720 gas stored in a high volume tank adjacent to the facility is released and 340 00:08:57,720 --> 00:08:57,730 adjacent to the facility is released and 341 00:08:57,730 --> 00:08:59,819 adjacent to the facility is released and flows through a three megawatt 342 00:08:59,819 --> 00:08:59,829 flows through a three megawatt 343 00:08:59,829 --> 00:09:02,130 flows through a three megawatt electrical heater that raises its 344 00:09:02,130 --> 00:09:02,140 electrical heater that raises its 345 00:09:02,140 --> 00:09:06,810 electrical heater that raises its temperatures to nearly 2,500 Kelvin then 346 00:09:06,810 --> 00:09:06,820 temperatures to nearly 2,500 Kelvin then 347 00:09:06,820 --> 00:09:09,180 temperatures to nearly 2,500 Kelvin then sufficient oxygen is added to the hot 348 00:09:09,180 --> 00:09:09,190 sufficient oxygen is added to the hot 349 00:09:09,190 --> 00:09:12,620 sufficient oxygen is added to the hot nitrogen to produce an heir composition 350 00:09:12,620 --> 00:09:12,630 nitrogen to produce an heir composition 351 00:09:12,630 --> 00:09:15,150 nitrogen to produce an heir composition the heated air flows through a 352 00:09:15,150 --> 00:09:15,160 the heated air flows through a 353 00:09:15,160 --> 00:09:17,400 the heated air flows through a hypersonic flow nozzle and passed the 354 00:09:17,400 --> 00:09:17,410 hypersonic flow nozzle and passed the 355 00:09:17,410 --> 00:09:22,079 hypersonic flow nozzle and passed the model a large steam ejector also pulls a 356 00:09:22,079 --> 00:09:22,089 model a large steam ejector also pulls a 357 00:09:22,089 --> 00:09:24,420 model a large steam ejector also pulls a vacuum on the test chamber to help 358 00:09:24,420 --> 00:09:24,430 vacuum on the test chamber to help 359 00:09:24,430 --> 00:09:25,920 vacuum on the test chamber to help establish the flow pattern and 360 00:09:25,920 --> 00:09:25,930 establish the flow pattern and 361 00:09:25,930 --> 00:09:31,199 establish the flow pattern and assimilate a high altitude condition the 362 00:09:31,199 --> 00:09:31,209 assimilate a high altitude condition the 363 00:09:31,209 --> 00:09:33,870 assimilate a high altitude condition the hypersonic tunnel facility was last used 364 00:09:33,870 --> 00:09:33,880 hypersonic tunnel facility was last used 365 00:09:33,880 --> 00:09:37,889 hypersonic tunnel facility was last used in 1974 to test a hypersonic research 366 00:09:37,889 --> 00:09:37,899 in 1974 to test a hypersonic research 367 00:09:37,899 --> 00:09:41,309 in 1974 to test a hypersonic research engine at Mach 7 conditions under a 368 00:09:41,309 --> 00:09:41,319 engine at Mach 7 conditions under a 369 00:09:41,319 --> 00:09:43,079 engine at Mach 7 conditions under a joint program between the garrett 370 00:09:43,079 --> 00:09:43,089 joint program between the garrett 371 00:09:43,089 --> 00:09:43,769 joint program between the garrett corporation 372 00:09:43,769 --> 00:09:43,779 corporation 373 00:09:43,779 --> 00:09:46,679 corporation and NASA currently it's being 374 00:09:46,679 --> 00:09:46,689 and NASA currently it's being 375 00:09:46,689 --> 00:09:49,379 and NASA currently it's being reactivated by NASA to support generic 376 00:09:49,379 --> 00:09:49,389 reactivated by NASA to support generic 377 00:09:49,389 --> 00:09:52,079 reactivated by NASA to support generic hypersonic research and is expected to 378 00:09:52,079 --> 00:09:52,089 hypersonic research and is expected to 379 00:09:52,089 --> 00:09:54,360 hypersonic research and is expected to be operational by mid nineteen ninety 380 00:09:54,360 --> 00:09:54,370 be operational by mid nineteen ninety 381 00:09:54,370 --> 00:09:59,189 be operational by mid nineteen ninety three the four major facilities at plum 382 00:09:59,189 --> 00:09:59,199 three the four major facilities at plum 383 00:09:59,199 --> 00:10:01,259 three the four major facilities at plum Brook together with the surrounding 384 00:10:01,259 --> 00:10:01,269 Brook together with the surrounding 385 00:10:01,269 --> 00:10:04,499 Brook together with the surrounding clear zone land the infrastructure and 386 00:10:04,499 --> 00:10:04,509 clear zone land the infrastructure and 387 00:10:04,509 --> 00:10:07,259 clear zone land the infrastructure and the train staff provide a significant 388 00:10:07,259 --> 00:10:07,269 the train staff provide a significant 389 00:10:07,269 --> 00:10:10,290 the train staff provide a significant national test capability available to 390 00:10:10,290 --> 00:10:10,300 national test capability available to 391 00:10:10,300 --> 00:10:13,889 national test capability available to NASA other government agencies and the 392 00:10:13,889 --> 00:10:13,899 NASA other government agencies and the 393 00:10:13,899 --> 00:10:16,769 NASA other government agencies and the private sector