1 00:00:00,000 --> 00:00:06,930 Hey everyone! I’m 2 00:00:06,965 --> 00:00:07,884 Logan. And I’m Josh. 3 00:00:07,919 --> 00:00:09,343 We work at Marshall 4 00:00:09,378 --> 00:00:10,380 Space Flight Center. 5 00:00:10,415 --> 00:00:11,534 And we’re working on a 6 00:00:11,569 --> 00:00:13,180 robotic lander prototype. 7 00:00:13,215 --> 00:00:14,639 Some of you may not know 8 00:00:14,674 --> 00:00:15,582 everything that’s going 9 00:00:15,617 --> 00:00:16,652 on at NASA right now, so 10 00:00:16,687 --> 00:00:17,870 we wanted to make a video 11 00:00:17,905 --> 00:00:18,910 of our project, cause it’s 12 00:00:18,945 --> 00:00:19,935 pretty cool! 13 00:00:19,970 --> 00:00:21,596 This test bed will fly 14 00:00:21,631 --> 00:00:22,798 here on Earth, but an 15 00:00:22,833 --> 00:00:24,348 actual space-worthy vehicle 16 00:00:24,383 --> 00:00:26,686 could fly missions to our 17 00:00:26,721 --> 00:00:27,901 Moon, the moons of mars, or 18 00:00:27,936 --> 00:00:29,502 any other airless body! 19 00:00:29,537 --> 00:00:32,078 Like an asteroid. 20 00:00:32,113 --> 00:00:33,708 Our prototype uses 90% 21 00:00:33,743 --> 00:00:34,925 hydrogen peroxide which is 22 00:00:34,960 --> 00:00:36,795 30 times more concentrated 23 00:00:36,830 --> 00:00:38,204 than what you get at the 24 00:00:38,239 --> 00:00:39,486 drug store. People like 25 00:00:39,521 --> 00:00:41,325 to call it a green propellant 26 00:00:41,360 --> 00:00:42,383 (green propellant), that’s 27 00:00:42,418 --> 00:00:43,582 right. And we spray this 28 00:00:43,617 --> 00:00:44,876 peroxide over a catalyst bed 29 00:00:44,911 --> 00:00:46,716 of silver screens to cause a 30 00:00:46,751 --> 00:00:47,917 chemical reaction, just like 31 00:00:47,952 --> 00:00:49,931 diet coke and mentos, and we 32 00:00:49,966 --> 00:00:51,631 get thrust! 33 00:00:51,666 --> 00:00:54,204 Before every test, Wayne uses 34 00:00:54,239 --> 00:00:57,758 a rubber glove as a visual 35 00:00:57,793 --> 00:00:59,007 indicator to make sure all of 36 00:00:59,042 --> 00:01:00,556 our thrusters are actually 37 00:01:00,591 --> 00:01:02,287 working correctly. Make’s sure 38 00:01:02,322 --> 00:01:04,141 all the valves work. 39 00:01:04,176 --> 00:01:05,455 Before every flight, we have 40 00:01:05,490 --> 00:01:07,133 to warm the catalyst beds. 41 00:01:07,168 --> 00:01:08,350 You’ll see some liquid peroxide 42 00:01:08,385 --> 00:01:10,157 come out, because before the 43 00:01:10,192 --> 00:01:11,614 catalyst beds are fully warmed 44 00:01:11,649 --> 00:01:13,211 up, the peroxide doesn’t 45 00:01:13,246 --> 00:01:15,100 decompose all the way, but once 46 00:01:15,135 --> 00:01:16,574 they’re warmed up, you’ll get 47 00:01:16,609 --> 00:01:17,741 nothing but super-heated steam 48 00:01:17,776 --> 00:01:19,213 out the end. 49 00:01:19,248 --> 00:01:22,461 Ok, the test is about to start. 50 00:01:22,496 --> 00:01:24,141 Control room, take it away. 51 00:01:24,176 --> 00:01:25,935 We will confirm Go/No Go for test. 52 00:01:25,970 --> 00:01:28,061 Operations Engineer? Go. Flight 53 00:01:28,096 --> 00:01:30,124 Software is go. AE? Go. Data? 54 00:01:30,159 --> 00:01:32,110 Data is go. Command? Command’s go. 55 00:01:32,145 --> 00:01:34,109 Systems Engineering is go. RCL? 56 00:01:34,144 --> 00:01:35,901 Go. System safety? Go. Test 57 00:01:35,936 --> 00:01:37,262 director? Test director is go. 58 00:01:37,297 --> 00:01:38,590 Test conductor is go. 59 00:01:38,625 --> 00:01:52,734 ED02, ED03, EA04, EA05, EA06, 7, 60 00:01:52,769 --> 00:02:05,662 EA08, EA09, EA11, EA12, ED01, ED02, 61 00:02:05,697 --> 00:02:14,255 ED03, Opening the thrust…EGC. 62 00:02:14,290 --> 00:02:21,228 Nice. 63 00:02:21,263 --> 00:02:25,630 Strapdown test 4 is a simulation 64 00:02:25,665 --> 00:02:27,916 of a full length flight. If you 65 00:02:27,951 --> 00:02:29,535 look at the infrared video, you 66 00:02:29,570 --> 00:02:30,925 can see the thrusters pulsing 67 00:02:30,960 --> 00:02:32,048 just like it would if it was 68 00:02:32,083 --> 00:02:33,918 actually flying. The lander 69 00:02:33,953 --> 00:02:35,165 thinks that it’s flying around 70 00:02:35,200 --> 00:02:36,621 right now, so the occasional 71 00:02:36,656 --> 00:02:37,934 burst of steam that you see 72 00:02:37,969 --> 00:02:38,990 are the thrusters trying to 73 00:02:39,025 --> 00:02:41,167 keep it on course. 74 00:02:41,202 --> 00:02:42,767 These first few tests have the 75 00:02:42,802 --> 00:02:44,766 lander bolted to the ground. 76 00:02:44,801 --> 00:02:46,381 This way we can fire all of 77 00:02:46,416 --> 00:02:48,206 our thrusters and even if 78 00:02:48,241 --> 00:02:49,644 something were to go wrong, 79 00:02:49,679 --> 00:02:51,502 it’s not going to go anywhere. 80 00:02:51,537 --> 00:02:59,632 Strapdown test 5 proves our 81 00:02:59,667 --> 00:03:01,373 ability to abort any test in 82 00:03:01,408 --> 00:03:03,197 case an emergency arises. 83 00:03:03,232 --> 00:03:15,467 Countdown, nominal, emergency. 84 00:03:15,502 --> 00:03:19,068 And we have landed. 85 00:03:19,103 --> 00:03:20,174 Thanks for watching! And tune 86 00:03:20,209 --> 00:03:21,519 in next time when we’ll take