1 00:00:02,520 --> 00:00:08,520 [Music] 2 00:00:08,520 --> 00:00:13,280 >>There's a lot of people, a lot of professors that will tell you that aerospace has become 3 00:00:13,280 --> 00:00:18,610 a very staid, or even conservative, and that there's nothing new to learn, and I would 4 00:00:18,610 --> 00:00:24,200 say to those people that you're not trying hard enough. 5 00:00:24,200 --> 00:00:28,770 Mars is just such an alien world in so many ways, and so designing a little airplane to 6 00:00:28,770 --> 00:00:32,960 be able to fly there, that's a pretty good trick, it's been a lot of fun. 7 00:00:32,960 --> 00:00:34,380 [Servos moving] 8 00:00:34,390 --> 00:00:38,930 The hardest part about designing little PRANDTL-M, we initially thought it would just be the 9 00:00:38,930 --> 00:00:44,280 aerodynamics, but that we sort of had handled, we ran into another problem, where we ran 10 00:00:44,280 --> 00:00:49,080 into a very unusual instability, it comes up every once in awhile, and it's a function 11 00:00:49,080 --> 00:00:53,990 of the mass distribution; we struggled for months trying to figure that particular problem 12 00:00:53,990 --> 00:01:00,170 out, and it turns out that the real answer in that case is to use a stability augmentation 13 00:01:00,170 --> 00:01:05,939 system, and we have a really brilliant guy, Ryan Dibley, who was able to design us a little 14 00:01:05,939 --> 00:01:08,149 piece of software in order to do that for us. 15 00:01:08,820 --> 00:01:10,860 >>Alright, standby, here we go... 16 00:01:10,860 --> 00:01:13,220 ...three, two, one, release! 17 00:01:13,220 --> 00:01:15,620 [Background propeller, power generator] 18 00:01:15,620 --> 00:01:18,320 [Music] 19 00:01:18,320 --> 00:01:20,320 [Background radio calls] 20 00:02:27,460 --> 00:02:31,380 >>Dropping in three...two...one...release!