[01:50:37] #KSPOfficial: mode change '+o Althego' by ChanServ!ChanServ@services.esper.net [05:54:50] Althego: OH: ホロ鳥は食べ物じゃない [05:55:14] (for full context, picture an angry duck saying that) [05:59:11] i dont know what this is [05:59:50] meanwhile war criminal denies allegations of appearing in isekai anime [06:00:36] Conversation between subaru and reine, with subaru arguing that holobirbs aren't food [06:01:02] ah is that when reine teaches her indonesian [06:01:06] yeah [07:24:39] #KSPOfficial: mode change '+o Deddly' by ChanServ!ChanServ@services.esper.net [07:28:54] Isn't inginuity going to be tested like right now? [07:29:52] suposedly [07:30:05] conference in almost 3 hours [07:30:15] i guess they need to get back the data and look at it [07:30:31] could be it already landed [07:30:43] 30 sec flight [07:31:21] Looks like it already picked up a lot of dust on the solar panels. Hopefully will be able to shake that off [07:31:44] yes, somehow it was like that after the first day [07:31:53] i thought only moon dust is static [07:32:31] Maybe it wasn't fully protected from the environment on landing [07:32:46] that cover looked solid [07:32:54] I never saw the cover [07:33:44] I guess it'll take some days to download video of the flight, too. [07:34:32] https://mars.nasa.gov/resources/25792/ingenuitys-complete-deployment/ [07:34:46] Nice images of the deployment :) [07:34:49] but before this two things were shed from the rover [07:34:56] one flat plate for something [07:35:11] and one black box that covered the helicopter [07:35:28] I'm sure you're right. [07:36:24] https://www.youtube.com/watch?v=fc9xrjGbuIM [07:37:04] If it falls over on landing, I wonder if Perseverance can put it back on its feet [07:37:43] it has an arm so maybe [07:37:46] That's a pretty good protective box. [07:38:17] but there was something about if it flips then it is a loss because there is no recovery mechanism [07:38:20] And looking at the beginning of that video, it doesn't look like the box is full of dust [07:44:31] the articles are not saying the same. maybe the flight really is in a few hour [07:44:32] s [07:48:11] NASA's own website says the flight was planned for 3:30 EDT, which is 8:30 UTC, but the press release won't take place for a couple of hours [07:48:30] but they also say live reaction [07:48:44] maybe they need to wait for a satellite pass [07:48:49] Perhaps reaction to images? [07:49:16] If they have to wait for a satellite pass, why plan the flight for that time, I wonder? [07:49:27] environmental conditions [07:49:34] they want high pressure and low wind [07:51:35] anyway we cant explain this discrepancy [07:54:21] Maybe they just don't want to get up so early ;) [08:06:14] just ignore gravity, way simpler https://www.youtube.com/watch?v=y1X-RqV_6ME [08:33:46] LOL [09:43:44] https://www.youtube.com/watch?v=p1KolyCqICI [09:43:55] 30 minutes until stream [09:45:32] nice [10:14:39] it is on [10:14:42] Woo [10:24:14] 85% chance of flight with the workaround [10:28:49] when will they start receiving the actual data? [10:29:17] they mentioned it earlier, was 3x [10:29:24] but i dont remember :) [10:29:33] so at most 30 minutes [10:29:34] 10 [10:29:36] I suppose the flight (or non-flight) is already taking place on Mars [10:29:50] yes as the articles said, it happened hours ago [10:30:39] oh, hours even [10:31:23] i cant help it, i always find the voice of this guy funny [10:31:25] so there are additional delays on top of the transmission itself? [10:31:29] true [10:31:32] like some cartoon character [10:32:23] so probably what happened they were waiting for an orbiter pass [10:32:39] oh, that makes sense [10:32:39] usually there is one link per sol [10:33:11] First delivery by SpaceX to Mars: Satellite network. ;) [10:33:17] it's weird to see all the people wearing facemasks on top of respirators [10:33:19] we need that [10:33:19] and they will make them pay! [10:33:54] them? [10:33:57] the martians? [10:35:18] 3 m hover, with martian gravity, even if it fails on top, it might survive [10:36:36] hehe meanwhile canberra is sending to voyager 2 [10:36:56] looks like madrid is going to take mro data [10:37:35] while the fall shouldn't damage the innards, it could end up upside down and/or damage the blades [10:37:45] yes [10:38:01] should have sent a kerbal [10:38:07] to repair it [10:38:12] kek [10:38:40] hm, 2500 RPM is on par with large earth-based quadcopters [10:38:48] looked like an ubuntu on the laptop [10:38:56] yep, definitely [10:39:09] spacebuntu [10:39:20] 2500 rpm is nothing [10:39:42] it is demanding for such rotor diameters [10:40:11] the motors should be totally ok with that, but the blades themselves must be extremely meticulously balanced [10:40:50] i hope it also imaged the rover too, just as the rover made picture while the heli was hovering [10:40:50] that shouldn't be the problem [10:44:56] processing [10:46:04] they are loking at some web thingie? [10:47:14] unpacked image? does that mean a success? would it take a shot if it didnt fly? [10:48:27] No idea [10:49:05] ah yes i forgot about the dust [10:49:15] i wonder how long such a helicopter could remain operational [10:49:47] the speed of those confirmations suggests they're decoding it on a PDP-10 :> [10:49:54] hehehe [10:50:30] yay terminal time [10:50:41] it flew [10:51:14] hehe it landed on different altitude [10:51:20] Action: prefixcactus claps vigorously [10:51:34] which is ok with a rough terrain [10:51:46] although it shouldnt have moved [10:52:05] a shadow [10:52:22] so hhow doe sit measur altitude? inertial? maybe the down looking camera too [10:52:37] I thought they have a radar/ultrasonic-type altimeter on it, which shows terrain altitude [10:53:23] ah it has something for that [10:53:39] it made a movie [10:55:13] Do they have any GNSS-type sats around Mars? [10:55:23] no [10:55:42] they have observation or observation and relay combos [10:56:54] but if you want to have position, from orbital images you can get coordinates [10:57:12] Althego: where'd you get the graph? they didn't show it in my stream [10:57:28] they did [10:57:32] just for a short time [10:58:59] anyway i would have been interested in, what the cause of the altititude difference was [11:00:07] sensor hysteresis, ins drift, landing position difference, or some other error [11:00:32] even if i say the legs distorted a little, they would create higher altitude [11:00:37] how much of a difference is there? [11:01:00] Althego: https://youtu.be/p1KolyCqICI?t=2310 [11:01:08] where do you see the different altitude? [11:01:29] i though the 0 is the starting point [11:01:40] it's not :) [11:01:55] so then it was 0 when it was uninitialized [11:02:19] just not logging the data, I guess, because it knew it was on the ground [11:02:31] looks like it [11:02:44] I would imagine flat line = no data [11:02:46] null island strikes on mars too [11:03:08] Also, that is so cool. Can't wait to see the full video [11:03:09] it appears to have landed slightly lower than from where it lifted off [11:03:22] and that is ok [11:03:28] because there was some force on the legs [11:03:31] maybe they bent a little [11:03:33] by several cm maybe [11:03:38] maybe there is a rock at the measurement point [11:03:50] probably the legs just sunk into the dust [11:04:40] Maybe a sandworm ate it [11:04:41] and/or there was some buildup in the center due to airflow [11:10:29] or the sensor isn't as exact as you [11:11:37] *as you think [11:11:44] I need a rice cooker. [11:12:55] Every time I manage to boil it over and have to scrub the stove afterwards :| [11:13:18] hehe [11:13:23] too much water, perhaps [11:13:33] (should be 2x rice by volume) [11:14:15] brb [11:14:37] It'll still boil over if you don't turn down the temperature when it starts boiling :) [11:14:59] a bit of oil, heat, 1u rice, stir for a bit in hot oil, 2u water, lid, wait for water to boil off. done [11:15:34] (well, mostly boil off, don't want to burn your rice) [11:16:38] taniwha: no, I just don't have the patience to wait until it boils and then turn off the heat. Or sometimes I just forget... [11:17:38] forgetting's always a problem :/ [11:18:10] no patience and then forgetting. :D [11:20:15] but on the other hand: Dinner is ready! ;) [11:31:05] always a good thing [11:52:01] It was, it was [11:53:07] put a camera there, train an neural network to notice boiling water, use that to notify you [12:00:16] rice cooker is probably cheaper and easier [12:00:32] but if you're going to do that have a little view of the camera as a dockapp on your windowmaker [12:08:35] rice cookers are nice [12:09:01] especially if they are of the multiprogram variety so that you could cook other stuff in them too [12:09:52] we end up only cooking rice in it anyway tho [12:11:21] well, that's why I would only go for the simplest ones with the magnet at the bottom that switches them off :D [12:11:45] kerbal recipe: put rice in pan, stir in hot machine oil, put water in fire extinguisher, put pan on top of mainsail, ignite [12:12:12] uhh, puffed rice! [12:12:26] wait till the dust settles, collect experimental data [12:12:38] inspect samples by chewing [12:13:35] hehe [12:13:47] hopefully the cat didn't take a dump in the rice [12:14:11] the cat will not go to space today [12:14:22] hopefully cellphone didn't get forgotten in rice [12:14:44] !mission [12:14:44] prefixcactus: You stir the tanks. Physics fails you, and you fall through the floor. [12:14:54] https://imgur.com/yZwHsOV [12:15:06] oh no [12:16:33] .. mental note: make sure pot has lid on it at all times while having a cat c_c; [12:16:49] lol [12:17:08] !nextlunch [12:17:08] Deddly: Chicken salad. [12:17:18] mind you, my room mates 5 cats, non of them cares to even go up on the stove [12:17:22] .oO( I hate cats sometimes ) [12:18:34] sister had a cat, parents put a plastic cat turd on the stairs and tried to give her a hard time about the cat making a mess... I hate my parents sometimes. [12:18:49] wow [12:19:03] lol [12:19:24] entitled parents [12:20:00] sister didn't fall for it though... [12:20:51] https://www.youtube.com/watch?v=vPB2g1y2VFk [12:23:25] I miss my little fuzzies.. sadly, getting another is proven hard due to pandemic. :( [12:24:45] mine are old now. already had to separately rush them to the vet once each because we thought they were dying. [12:25:22] Althego, very amusing [12:30:29] mine passed a few years ago. Was also same time a number of people I knew of who were having pets pass on as well [13:29:40] I love animals, but that part destroys me [13:31:36] I predict that 2025 will be the great petpocalypse [13:32:04] (masses of people got themselves pets during the pandemic) [13:37:07] there will be several species-specific waves [13:37:25] !mission [13:37:25] prefixcactus: You build a micro surfboard so you can surf the microwaves. Wernher von Kerman orders Bob to buy him a dozen brattwursts on the way back from the supermarket. [14:07:48] another stream is coming https://www.youtube.com/watch?v=JM_2hmdRnfQ [14:08:13] actually where was the horizontal picture from the drone? maybe they got it now [14:19:38] only when people are standing next to the rocket can you realize how big it is https://twitter.com/SpaceX/status/1383772720500903942 [14:20:50] the falcon 9 is transported and handled horizontally. "why dont they just" build a sort of car wash for it, rocket goes through and a ring of sprinklers sprays water. would get rid of that ugly soot [14:22:22] I think they are using the soot as a selling point right now. Soot means it is reusable, and it's a reminder to everyone who sees it [14:23:35] spacex is like tesla. they dont need ads [14:23:55] Ingenuity's camera must have a crazy fast shutter to capture the rotors so sharply in that image of its own shadow [14:24:14] i was surprised too [14:25:06] Black and white, low res also helps [14:25:07] but it is not crazy high rpm, in the range a normal induction motor would do [14:25:29] What was it, 2500 RPM? [14:26:07] 2400 [14:26:27] Interesting. BBC says 2500. The rotors are 1.2 metres long [14:26:49] BBC uses British minutes [14:26:53] hehehe [14:26:53] LOL [14:27:13] I guess that 1.2 metres means from tip to tip [14:28:41] That means the tips of the rotors travel 3.77 metres per second [14:29:04] Er no [14:29:11] wiki says 0.7 mach [14:29:29] but i dont know the speed of sound in carbon dioxide [14:29:29] 3.77 metres for a single rotation, I meant to say [14:30:32] It travels those 3.77 metres 2400 times per second [14:31:27] Maths was never my strong point, but doesn't that add up to over 9000 m/s? [14:31:36] rpm not rps [14:31:46] Ah yes [14:32:01] 150 [14:32:27] 540 KMH [14:32:43] 336 MPH [14:35:01] that seems kind of low [14:35:14] at least if i compare to standard atmosphere air [14:35:25] but it is way colder and carbon dioxide [14:35:37] i dont even know how speed of sound changes with temperature [14:36:17] I think temperature only has an impact because it changes the air density [14:36:51] seems to be a function of square root of temperature. so yes it gets lower [14:37:05] Google tells me that the speed of sound on Mars is 240 m/s [14:37:25] but what is the speed of your pants on venus? [14:37:34] lol [14:37:42] what does that supposed to mean [14:37:48] flayer, they dissolve at 5g/s [14:37:52] there isnt, they evaporate [14:38:05] or yes rather dissolve in supercritical carbon dioxide [15:30:58] Althego: the soot is probably burnt into the paint [15:31:05] so no easy cleaning [15:31:44] hmm, can be, after all it came from a fire [15:32:10] I'm not sure if it is the fire itself or the heat shield below that partially gets ablated [15:33:33] but they are burning Kerosin there, which has Carbon in it, so it could be unburnt Carbon that gets integrated into the paint [15:34:19] (and if I read the translation of soot correctly it is really meaning "Unburnt Carbon" [15:34:21] ) [15:35:07] If you watch video from on-board the booster during re-entry and landing, you can see that soot builds up on the camera lens during burns [15:35:39] And since they are running a ruel-rich ratio, there is a lot of unburned fuel [15:35:40] that's true. And somehow it gets removed, too. Some coating maybe? [15:36:15] Perhaps it's soot mixed with water vapour? [15:36:49] They could also have a transparent lens protector that rotates [15:39:19] possible [15:39:23] like F1 cars ;) [17:05:16] Mat2ch: At least some of the soot comes off easily, the astronauts doodled white marks on it with their fingers [17:05:35] hehe [17:06:02] https://planetary.s3.amazonaws.com/web/assets/pictures/spacex-crew-2-dirty-fingers.jpg [18:01:12] stream started [18:01:22] https://www.youtube.com/watch?v=JM_2hmdRnfQ [18:11:21] also there is an unrelated scott video [18:26:58] hmm, no color image [18:27:18] lol they got an aircraft designation [18:30:18] "like flying 3 times higher than the Himalayas" <-- Does that mean they could take off from Everest and fly up to 24,000 m? [18:30:43] doubt it has enough battery for that. also higher gravity [18:31:29] Well, I meant the altitude rather than actually being able to do that [18:31:40] But year, gravity [18:31:43] yeah* [18:31:50] certainly himalaya altitude and temperature is nothing to this [18:32:06] it may be overpowered [18:32:16] can it be damaged ffrom that? [18:32:34] From what? I'm behind on the stream right now [18:32:48] if we tried to fly it from mount everest [18:33:15] Can it be damaged from being overpowered? [18:33:19] yes [18:33:27] I would imagine not [18:33:28] it is designed for low pressure [18:34:42] I suppose if they spooled it up to max RPM and lift it could theoretically rip the blades off [18:36:49] next flight on thursday [18:37:10] He says 2600 RPM [18:41:49] Nice to see the whole video. Will be cool when they get the rest of the frames and the zoomed-in material [18:42:14] yes, that is already a lot of frames [18:42:19] way more i hoped for [19:14:59] It seems to me that they god a lot more material in a shorter time than they did from the landing [19:15:22] Perhaps their uplink is faster now that the rover is fully deployed? [19:15:26] got* [19:20:29] what, 2026 lander? [19:38:02] Althego, sample return? [19:38:14] yes they mentioned it [19:38:20] later [19:38:36] but as i said some weeks (?) ago, it is not even named yet [19:39:15] the only thing wiki knows of mars 2026 is a polar lander thing [19:39:34] but that is most certainly something else [19:39:51] and it uses the same base as phoenix and insight [19:39:53] maybe the spacex thing can bring the lander into orbit around mars [19:40:26] there is a 2024 2026 spacex thing for mars, but i almost laughed about it being manned [19:42:38] oh wait they are not in order [19:42:39] lol [19:42:48] there are tweo other mars things [19:42:52] one indeed is the sample return [19:43:59] but the sample return is still sketchy [19:44:28] https://en.wikipedia.org/wiki/List_of_missions_to_Mars#Proposals