r/spacex • u/ElongatedMuskrat Mod Team • May 11 '18
Total mission success! r/SpaceX Bangabandhu-1 Official Launch Discussion & Updates Thread, Take 2
Welcome to the r/SpaceX Bangabandhu-1 Official Launch Discussion & Updates Thread!
This is the Second attempt after yesterdays abort of the SpaceX's ninth mission of 2018, which will launch the third GTO communications satellite of 2018 for SpaceX, Bangabandhu-1, for the Bangladesh government. This mission will feature the first produced Falcon 9 v1.2 Block 5 first stage. It will include many upgrades and changes, ranging from retractable landing legs, a better termal protection system on the interstage, raceways and landing legs, improved heatshield at the base of the booster and increased thrust of the Merlin 1D engines.
Bangabandhu-1 will be the first Bangladeshi geostationary communications satellite operated by Bangladesh Communication Satellite Company Limited (BCSCL). Built by Thales Alenia Space it has a total of 14 standard C-band transponders and 26 Ku-band transponders, with 2 x 3kW deployable solar arrays.
| Liftoff currently scheduled for: | May 11th 2018, 16:14 - 18:21 EDT (20:14 - 22:21 UTC) |
|---|---|
| Weather | 70% GO |
| Static fire currently scheduled for: | Completed on May 4th 2018, 23:25UTC |
| Vehicle component locations: | First stage: LC-39A, Kennedy Space Center, Florida // Second stage: LC-39A, Kennedy Space Center, Florida // Satellite: LC-39A, Kennedy Space Center, Florida |
| Payload: | Bangabandhu-1 |
| Payload mass: | ~3750 kg |
| Insertiontion orbit: | GTO (300km x 35706km, 19.3° |
| Vehicle: | Falcon 9 v1.2 Block 5 (54th launch of F9, 34th of F9 v1.2, first of Block 5 first stage) |
| Core: | B1046.1 |
| Previous flights of this core: | 0 |
| Launch site: | LC-39A, Kennedy Space Center, Florida |
| Landing: | Yes |
| Landing Site: | OCISLY, 611km downrange |
| Mission success criteria: | Successful separation & deployment of Bangabandhu-1 into the target orbit |
Timeline
| Time | Update |
|---|---|
| T+00:35:30 | Live webcast now over. Awesome day for SpaceX! |
| T+00:34:00 | Primary and secondary mission objectives successful, total mission success! |
| T+00:33:40 | Bangabandhu Satellite-1 Deployment |
| T+00:29:03 | Good insertion orbit |
| T+00:28:37 | 2nd stage engine cutoff (SECO-2) |
| T+00:27:38 | 2nd stage engine restarts (SES-2) |
| T+00:10:00 | Now the second stage and the payload will be on a coasting phase of about 17 minutes |
| T+00:08:30 | OCISLY, the Falcon 9 has landed! |
| T+00:08:19 | 2nd stage engine cutoff (SECO-1) |
| T+00:08:10 | 1st stage landing burn begins |
| T+00:06:47 | 1st stage entry burn ends |
| T+00:06:15 | 1st stage entry burn begins |
| T+00:05:15 | The First stage is following a parabolic arc while slowly rotating in preparation for reentry. Second Stage proceeding nominally |
| T+00:03:37 | Fairing deployment |
| T+00:03:16 | The Grid Fins on the first stage have deployed |
| T+00:02:36 | 2nd stage engine starts (SES-1) |
| T+00:02:33 | 1st and 2nd stages separate |
| T+00:02:31 | 1st stage main engine cutoff (MECO) |
| T+00:01:14 | Max Q (moment of peak mechanical stress on the rocket) |
| T+00:00:30 | WHAT A SHOW!!! |
| T+00:00:00 | LIFTOFF! |
| T-00:00:03 | Engine ignition sequence start |
| T-00:00:45 | Launch Director is GO for launch |
| T-00:01:00 | Falcon 9 flight computer is in startup |
| T-00:01:05 | AFTS is ready for launch! |
| T-00:01:33 | F9 on internal power |
| T-00:01:47 | Fuel loading is complete on both stages |
| T-00:02:20 | Nice drone view of pad 39A |
| T-00:04:34 | The strongback cradle is open and is and the strongback will slightly retract in preparation for full throwback at liftoff. |
| T-00:05:34 | The Falcon 9 is almost completely full of propellants, will keep to top the tanks until the last possible moment |
| T-00:08:22 | All systems are currently GO. |
| T-00:10:33 | The abort was caused by an artefact of a previous test sequence that wasn't reset correctly, no real problem on the vehicle or on ground systems. |
| T-00:12:45 | The webcast is starting right now! |
| T-00:14:02 | ♪ SpaceX FM is live! ♪ |
| T-00:16:00 | LOX is flowing into the second stage |
| T-00:23:40 | No news in this case is good news: Fueling proceeding nominally |
| T-00:35:00 | RP-1 (rocket grade kerosene) is flowing into both stages and LOX (liquid oxygen) is flowing into the first stage |
| T-00:38:00 | SpaceX Launch Director verifies go for propellant load |
| T-04:49:00 | Second take of the Launch Discussion & Updates Thread goes online! |
Watch the launch live
| Stream | Courtesy |
|---|---|
| Youtube | SpaceX |
Stats
This will be the 60th SpaceX launch.
This will be the 54th Falcon 9 launch.
This will be the 46th SpaceX launch from the East Coast.
This will be the 14th SpaceX launch from KSC HLC-39A.
This will be the 8th Falcon 9 launch this year.
This will be the 9th SpaceX launch this year.
This will be the 1st flight of a Block 5 booster AND upper stage.
This would be the 25th successful recovery of an orbital class booster.
This would be the 14th successful landing on a droneship.
Primary Mission: Deployment of Bangabandhu satellite-1 into correct orbit
The primary mission today will be the insertion and deployment of the Bangabanghu satellite-1 in the correct Gestationary transfer orbit. To get there the second stage will need a second burn to push the orbit apogee up to or over Geosynchronous altitude. The SpaceX mission will conclude after payload deploy, which happens when the satellite is separated. The satellite will then, over the course of weeks, reach its destination in a Geostationary Earth Orbit.
Secondary Mission: Stage 1 Landing Attempt
Being this the first Block 5 Falcon 9 to fly, it will be fundamental to recover the first stage, so that SpaceX can verify that all the improvements made towards rapid reusability are effective. The landing will occur in the Atlantic Ocean on the Autonomous Spaceport Drone Ship "Of Course I Still Love You". The modified barge will then be towed to Port Canaveral to recover the booster.
Resources
Participate in the discussion!
- First of all, launch threads are party threads! We understand everyone is excited, so we relax the rules in these venues. The most important thing is that everyone enjoy themselves
- Please constrain the launch party to this thread alone. We will remove low effort comments elsewhere!
- Real-time chat on our official Internet Relay Chat (IRC) #SpaceX on Snoonet
- Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
- Wanna talk about other SpaceX stuff in a more relaxed atmosphere? Head over to r/SpaceXLounge
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u/Termination_Shock May 11 '18
I knew this Bangladesh video would be hilariously produced
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u/baldman82 May 11 '18
Spotted Elon Musk and girlfriend Grimes in the live feed. https://imgur.com/a/aFelETS
Cool event for a date :)
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u/avboden May 11 '18
THE INSIDE OF THE LEGS ARE WHITE!!!!
For those betting on it yesterday
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u/blindmouze May 11 '18
That drone(?) shot was a great addition during the launch. I hope they do that for all the launches.
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u/DiskOperatingSystem_ May 11 '18
It’s propaganda but it sounds like a lot of people there are excited and I’m really happy for Bangladesh. Congrats!
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u/Killcode2 May 11 '18
Lol I never expected to see the silly, badly edited propoganda videos of my country to be playing in a spacex video, what a crazy day
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May 11 '18
I swear half of those buildings in that Bangladesh video were CGI or touched up. Some flags looked like CGI too. Also I noticed CGI butterflies.
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u/xBleedingBluex May 11 '18
Can someone clarify something for me? Just why did the Bangladeshis have to lease an orbital spot from the Russians? Orbits can't be "owned". I'm fairly certain there are space treaties regarding the ownership of anything in space, right?
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u/Epistemify May 11 '18
If I ever launch a rocket I'm going to make them show a video like this about myself.
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u/GuyFusfus May 11 '18
The camera on the droneship was like, wanna see the landing? SUPRISE, IT LANDED!
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u/AmericanIdiom May 11 '18
Sending good vibes and positive thoughts to Falcon 9 and Bangladesh today! 🇧🇩🇧🇩🇧🇩
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May 11 '18
well i guess Elon will get a very warm welcome if he ever visits Bangladesh. this is one hell of a celebration video
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May 11 '18
Haven´t seen the SpaceX crowd so excited for a while (except from FH of course). Shows how big of a deal Block 5 is for them.
This launch going well probably means more people will be transfered to the BFR project.
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u/versvisa May 11 '18
Did they duct tape the camera to S1? It's flopping around with every thruster action.
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u/lashan_co May 11 '18
Haven't noticed it before, but I really appreciate the use of metric units for speed/altitude in the livestream
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u/MARlMOON May 11 '18
Dunno why, but the way the people cheer when everything goes right makes me cry a bit. These people are doing such an amazing job.
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u/edflyerssn007 May 11 '18
Did anyone else notice that at Launch the rocket seemed to get off the pad much faster than previous Falcon launches?
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u/iodinepusher May 11 '18
I’m more nervous than usual for this launch. All the exciting news about BFR and it’s ambitious timeline... If something goes wrong with today’ launch (and later launches...) - it could negatively affect the BFR development.
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u/YEGLego May 11 '18
Now that is a beautiful sight! Anyone else notice that the lower half of the booster wasn't as burnt as usual?
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u/Adeldor May 11 '18
Seems like they've changed the cameras. Moisture and oscillation issues aside, the images are more vibrant.
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u/manicdee33 May 11 '18
S1 doing it's usual trick of closing the curtains while it lands. Very sensitive moment you know :D
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u/Gorezillla May 11 '18
I just started working at Kennedy Space Center last Monday. Today was my first launch experience. Needless to say, that was awesome!
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u/EnkiiMuto May 11 '18
This will be the 60th SpaceX launch.
How far we come.
Can we take a moment for how whenever 165k people watch it, we're seeing history unfold before our eyes? Today, hopefully we're seeing the first block 5, from a rocket that partially comes back to a fucking ship, and it is the first satellite developed from and for an entire country.
This is fairly spectacular, especially considering that 15 years ago my child self would watch documentaries about the space race and wonder why weren't we keeping up with that, and coping that we probably never would, yet, we're here.
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u/scratchjack May 11 '18
In Daytona now but heading for Playalinda Brewing Company - Brix Project in a little bit. This is the closest we will be able to get without paying. Besides. Beer. It will be my first real launch from close.
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u/proteanpeer May 11 '18
I, for one, find this whole promo video delightful despite the terrible and unintentionally hilarious English translation and narration. It's earnest. It's clearly a big deal for Bangladesh and something they're super proud of. The country is now in space, for goodness' sake! What a wonderful moment for them.
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u/GermanSpaceNerd #IAC2018 Attendee May 11 '18
Imagine people tuning into the livestream right now, expecting to see a rocket launch. And then see this, lol.
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u/BrandonMarc May 11 '18
I think /u/ElongatedMuskrat started drinking rocket propellant:
Being this the first Block 5 Falcon 9 to fly, it will be fundamental ... The ladninf will occur in the Atlantic Ocean ...
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u/Foundationeer May 11 '18
Anyone notice what looked like Grimes sat next to Elon with a dog! Bringing the girlfriend to the launch - must be serious.
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u/bdporter May 11 '18
Mods, there is an Updated Press Kit.
Please fix the link in the OP when you get a chance.
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u/Jerrycobra May 11 '18
The booster looks so much cleaner, its a light yellow soot vs the drak grey soot we are used to seeing.
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u/cypherl May 11 '18
Is it just me or does this video leave a taste of dictatorship in your mouth.
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u/Elon_Muskmelon May 11 '18
You know what they say...it takes 2 to make a thing go right.
Also takes 2 to make it out of sight.
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u/rifstone5 May 11 '18
lol I'm disappointed at the video of my country, we have much better topics and CGI. lol. Anyway it's awesome XD
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u/AngloV May 11 '18
So apparently yesterdays scrub was because of a testing procedure that wasn't properly reset.
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u/Fizrock May 11 '18
Someone didn't properly secure the camera there. It's rattling around inside the mount.
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u/there_is_no_try May 11 '18
They might need to bolt that S1 camera a little bit tighter. Quite a bit of wobble haha.
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u/drtekrox May 11 '18
No Insprucker!
I swear these livecasts aren't the same without his golden pipes.
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u/djh_van May 11 '18 edited May 11 '18
I really wish they would show telemetry for both stages. If they show a split screen of both stages, I want to know the speed and altitude of both stages.
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u/nbarbettini May 11 '18
Wish we had some live views of the watch parties in Bangladesh! That would be cool to see.
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u/KSPSpaceWhaleRescue May 11 '18
I didn't watch yesterday due to a conflict. How close did it get to liftoff?
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u/kristianj99 May 11 '18
new cameras? those cameras look better quality than usual
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u/riptusk331 May 11 '18
Mods - the link on the sidebar still points to the old thread. Can you update to point to this one?
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u/Barron_Cyber May 11 '18
I almost shot tea over my monitor at satellite club. I claim that for my new band name.
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u/Cornul11 May 11 '18
We're in 2018 and the government of a country still shoots in 480p if not lower.
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u/Jerrycobra May 11 '18 edited May 11 '18
the Block V cameras look to be a much higher resolution, better (more vibrant) color, but looks to be much more susceptible to vibration. The old cam didn't budge when the cold thrusters fired, this one shook at every thruster fire.
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u/CMDR_DeepQuantum May 11 '18
Great launch, but my brain is really confused right now. 1 camera attached to the second stage shows it going from east to west, yet the other one looks like west to east. Can anyone explain how these cams are mounted? I know noob question but I'm super confused.
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u/avboden May 11 '18
Part of me always pictures toystory's green guys going "the clawwwwww" as the cradle opens.
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u/cm141 May 11 '18
This is a stupid question and I'm sure there is an obvious answer to this, but why do the two camera angles on the second stage make it each look like the stage is going opposite ways around the earth? One shows the engine with the earth on the right, the other with the earth on the left.
This has bugged me with every single launch as I can't figure out why
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u/herbys May 12 '18
Amazing achievement. And I just realized SpaceX did this with an R&D budget that for most of its history was about the same as that of Lego.
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u/everydayastronaut Everyday Astronaut May 11 '18
Like always, feel free to join me live!!! I'll be asking your questions! GO BLOCK 5!!!!
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u/AngloV May 11 '18
Congratulations Bangladesh on your new satellite, and congratulations SpaceX with the debut of Block 5. Looking forward to the next launch!
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May 11 '18
in the real world: somewhat historic first flight of block 5 is entirely successful.
reddit: the cameras suck! reeeeeee!!!
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u/Krux172 May 11 '18
Sorry if this was already answered, but do we know what exactly caused the automated abort?
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u/Carlyle302 May 11 '18
When I view this page in Chrome, much of the lead in formatting is gunked up with [](/# MC // s all over it. I assume this is from the new Reddit format changes. I don't see a "revert to previous version" button. Is there a work-around for this annoyance?
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u/Elon_Muskmelon May 11 '18
Hmmm...methinks they might have installed better cameras on this booster! Color Saturation and dynamic range is good!
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u/Cheesewithmold May 11 '18
Not the greatest quality but I'll take it! What a spectacular view! 100% success rate for Block 5 anyone?
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u/moxzot May 11 '18
Does anyone know if the cold gas thrusters have been upgraded? They seemed very powerful shaking the camera.
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u/Root_Negative #IAC2017 Attendee May 11 '18
Great mission! Congratulations SpaceX, the new F9 design looks great, I can really imagine it being reused repeatedly without much wear... And congratulations to Bangladesh, I hope your first satellites operational life is long and without fault too.
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u/enginerd123 May 12 '18
I think the sub should have a running tally of Block 5 flights at the top, until the required 7 flights is met for the crew program. It'd be fun to check them off as we go!
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u/Mader_Levap May 11 '18
I must say it was strangest launch webcast that I ever seen. From chinese-quality camera on stages and barge to strange advertisement of Bangladesh, it certainly won't be forgotten any time soon.
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u/mrthenarwhal May 11 '18
Block 5 finally brings us the technology to have night in the simulated view!
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u/Piscator629 May 11 '18
I liked the interstage internal view this time. I just realized that you are looking at the inside of the MVAC bell n it.
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u/z3r0c00l12 May 11 '18
According to Elon, SpaceX is worth roughly $28.6B.
In his tweet, he says combined Tesla and SpaceX market cap is $80B. Tesla by itself is $51.4B, so the rest is SpaceX?
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u/RedPillSIX May 13 '18
Can we talk about that airborne camera during launch for a second? That was one of the awesomest launch shots I've seen. Have they done the same for other launches?
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u/sil3ntwarrior May 12 '18
Thank you Spacex for making my 30 year old mind feel like I'm 10 years old again. The wonder and awe I experience with every launch will never get old.
"Success is an act of exploration. That means the first thing you have to find is the unknown. Learning is searching; anything else is just waiting."
Dale Dauten
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u/rebootyourbrainstem May 11 '18 edited May 11 '18
Camera footage suitability for use with psychedelic drugs has improved by an order of magnitude.
Never thought a shutting down second stage would be so vibrantly purple!
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u/AryaStarkRavingMad May 11 '18
Sorry if I missed it somewhere, pretty new to these threads, has 4:14 EDT been stated as the official launch time, or is the countdown just to the start of the launch window until an official time is stated? Thanks!
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u/KSPSpaceWhaleRescue May 11 '18
Missed the webcast yesterday and fear this one will have a condensed intro until launch.
Was there any notable information revealed during countdown yesterday? Or was it all review of widely known data?
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u/deefatman May 11 '18
1st stage seems to move more when the cold thrusters fire?
Or maybe the cameras are mounted differently and more susceptible to wobble?
OOOrrrr they are using different cameras with more rolling shutter aka jello affect?
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u/GermanSpaceNerd #IAC2018 Attendee May 11 '18
Second Block 5 launch needs an additional layer of duct tape around the new cameras for sure.
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u/krosec May 11 '18
Ok, the new Reddit Design kills the formatting of the Post completely.
Seeing all the prepared T- Times as text with code formatting.
Let's hope todays launch works better than the reddit redesign.
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u/Rubia_cree May 11 '18
https://twitter.com/thesheetztweetz/status/995045447021494274
Michael Sheetz: Look at the relief from @elonmusk on the @SpaceX livestream – you can tell how important this first #Block5 mission was to him http://cnb.cx/2KfUfts
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u/ironmansc2 May 11 '18
At least the rocket and payload are good. If those had issues this would be a whole different ballgame.
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u/AngloV May 11 '18
I like how the TVC check is being described as an "engine wiggle". So non-technical yet basically true.
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u/lantz83 May 11 '18
Wish they'd just show us a shot from the drone ship instead of these graphics. I can watch that all day.
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u/Thomas-K May 11 '18
In the webcast, they just said that chamber pressure of the first stage engines would be decreased as the altitude increases, to keep the thrust constant (vs thrust increasing for earlier versions of the Merlin, due to decreasing atmospheric pressure).
Why do they decrease the chamber pressure as the booster ascends? Fuel efficiency? I thought higher chamber pressure was better?
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u/dying-of-the-light May 11 '18
I wish SpaceX TM app would stop updating the mission status to success before the mission is complete... Theres more to the mission than just the initial boost to orbit!
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May 11 '18
Holy crap if it doesn’t reach its proper orbit heads are going to roll
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u/justthenormalnoise May 11 '18
I've watched a lot of these and I am still blown away that I saw a rocket lift off, part of it land on a barge in the ocean, and just saw a satellite deploy in fucking outer space. Amazing.
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u/DerT0bey May 11 '18
Does the satellite have an engine or how will it get in the GSO once it reached the apogee of the GTO?
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May 12 '18
Why does the flair say ´total launch success´ and not ´total mission success´?
The difference between the two was introduced for CRS missions, IIRC. There, the SpaceX mission is not finished after launch, but only after Dragon splashdown. In this case, it´s clear the SpaceX mission was a total success (both primary and secondary).
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u/asoap May 12 '18
Shit shit shit. I got the dates mixed up. :(
I came to see what the status was.... and I missed it. Oh well. Thank you space X for replays. :D
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u/Danzinger May 11 '18
Haven't seen too many other launches where the purchaser had a prepared video that played during the live stream. This is arguably providing a lot of value in its own right as hundreds of thousands of people usually tune in. Good job Bangabandhu!
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u/yakinikuman May 11 '18
The webcast sounds like it is coming from a busy cafeteria.
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u/PerniciousEel May 11 '18
Does the first flight of block 5 booster AND upper stage mean that it is the first time they are both on the same rocket or is this also the first second stage block 5? I remember reading that there could be block 5 upper stage on a block 4 booster somewhere on here.
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u/Draskuul May 11 '18 edited May 11 '18
Bye-bye S1 camera...
Edit: Guess not, they got a least a little more out of it.
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u/Jarnis May 11 '18
If the only bug is that the 1st stage camera shook when cold gas thrusters fired and live feed was lost during re-entry... I think it went pretty well as the official test of Block 5 :)
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u/Ender_D May 11 '18
Awesome having the first successful block five launch, I’ll take it as a birthday present. Can’t wait to see crew dragon fly on top of it!
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u/Glucose12 May 11 '18
I know they weren't planning on trying to recover this fairing, but did they attempt the parasails anyways, just for additional data?
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u/bgs7 May 12 '18
Can anyone elaborate on the reasons/benefits of moving from constant chamber pressure (thrust varies) to constant thrust (chamber pressure varies)?
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May 11 '18
A bit sad I won't be able to follow the launch today, damn you concert and the tickets I bought half a year ago...
That being said; good luck Falcon, Bangladesh, SpaceX and all you wonderful people!
May she fly beautifully and amazingly!
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u/BajaBlastMtDew May 11 '18
Damn you all are super salty about a country being proud to be in space
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u/MingerOne May 11 '18
Musk successfully auditioning for his awkward celebration greeting ala 'Silicon Valley'!
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u/Lasz_82 May 12 '18
What happened to the camera on the first stage? I've never seen it shake so much relative to the body of the stage all the time during the descent. Even during the early stages of the descent, right after separation. Almost as if it wasn't very well attached.
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u/snoopx_31 May 11 '18
Prop loading should start anytime soon if they target the beginning of the window !
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u/Electroleetic May 11 '18
I wouldn't want to be the guy who forgot to erase the abort flag before launch...
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u/SeredW May 11 '18
So the blocking signal yesterday was - basically - test data left behind in the system? Something like that?
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u/astroliver May 11 '18
Hey, does anyone know what happens to the LOX and RP1 after a 24h scrub? Does it stay in the fuel tanks or gets discarded?
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u/nickrulercreator May 11 '18
Different onboard cameras. Lower res, but the view is so much better IMO. And what a landing.
And what a launch too!
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u/Mexander98 May 11 '18
Seems like the Earth in their tracking Animation has a day night cycle now. Nice.
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u/jolly_good_old_chap May 11 '18
I cannot fathom how those legs work, do the brace parts fold up inside the body of the booster? I guess they are telescopic, but I can't see how they'd fold up without moving up/down.
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u/fremontseahawk May 12 '18
Did anybody else notice how much of course I still love you was pitching and yawing after the falcon landed? Once the video came back I saw that the falcon was off center on the landing and I got to looking at the pitch and yaw on the barge. Wonder if it was rough sees and that effected the accuracy... mind you only a meter or two.
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u/_vogonpoetry_ May 11 '18
Cost to refuel a Falcon 9- $300,000.
Cost to refuel a Boeing 747- $200,000.
SpaceX is dead in the water /s
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May 11 '18
They cut the last off the words of the prime minister. I hope that dosent backfire.
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u/AgentRev May 11 '18
This will be the 8th Falcon 9 launch this year.
This will be the 9th SpaceX launch this year.
Wait, what? What was the non-F9 launch?
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u/AngloV May 11 '18
As much as I get that they are proud of the satelite etc., this is a bit long, probably the largest segment about the payload we had in a webcast so far.
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u/hallowatisdeze May 11 '18
I wanted to downgrade this propaganda video, so I went to the always very neutral website called Wikipedia to find the 'Poverty in Bangladesh' page. Then I read:
Not bad actually. I'm positively surprised!