this video is sponsored by skillshare hey hey marcus house with you here well spacex did it
they stuck at the landing beautifully here with a starship number 15. we will of course
be diving into this along with all of the updates at starbase it is time to chat a little about the
human landing system protests that have suspended spacex's funding for the lunar mission we had
the beautiful conclusion to the crew 1 mission for the commercial crew program a few updates from our
robotic friends on mars and another terrific starlink launch yet another action-packed week
so here we are talking again about starship number 15 the next prototype by spacex that was to take
to the sky last week we were all geared up for the flight just awaiting weather delays well this
week frustratingly kicked off in a similar fashion spacex scrubbed sn 15's launch attempt on tuesday
due to high winds which were causing concern for operations that would occur post-launch
the crew after a successful touchdown need to secure that vehicle but if winds are too high
it could have endangered the team taking on that important role so no flight that day that all
changed however at 5 24 pm on wednesday afternoon history has been made this week with an incredibly
exciting launch the ignition and gigantic plume of exhaust and dust was seen here as the event
kicked off the entire community thrilled to see this next iteration of the starship fly
the latest starship prototype sn15 gracefully lifted off the launch stand and rode the pillar
of fire with those three raptor engines flawlessly hurling the vehicle into the texas sky the
official spacex live stream although rather choppy was the best source of footage for this incredible
flight sadly due to the thick cloud cover live streamers on the ground were unable to see much
of the majority of the flight as starship ascended spacex provided us with this new incredible view
straight from one of the forward flaps one engine was shut down followed soon by the second
once it reached its maximum altitude of 10 kilometers it hovered for a short time completing
a tank handoff where the raptor engine's source of propellant is transferred from the main tanks
to the heavy tanks ready for that flip maneuver at 4 minutes and 20 seconds the aero surfaces
started maneuvering into position to transition the vehicle into that horizontal skydive position
to complete the subsonic portion of the flight those aft and forward fins are
then utilized to hold the vehicle stability for a controlled descent back to the landing
site now this was the moment where the entire community was hoping for a successful landing
after those past four explosions and there it is as starship approached the landing pad two raptors
fired up successfully to bring sn15 upright and continued down under those same two
raptor engines for the final descent the six tiny leagues popped out and locked into position and
there we saw history being made with sn 15's soft touchdown importantly as well the raptors on sn15
have stayed on since the beginning of testing and have not needed to be replaced after performing
two perfect static fires sn15 lifted off first try with no aborts and it re-lit perfectly and
landed smoothly that is a significant improvement on all other flights the heat shield tiles also
look to have survived quite well with only one missing there are more improvements to this to
be had i'm sure but they certainly seem to be improving the reliability over time
i think we just need to appreciate with this one how smoothly this vehicle has proceeded through
to its launch campaign huge congratulations to all of those workers at spacex nasa and the faa
who made this flight a success once on the ground sn15 was depressurized saved and cleared to start
securing operations this was a moment that will go down in history multiple prototypes and test
tanks have brought us to this point where we see a complete starship vehicle right there standing on
its own it's flown to 10 kilometers belly flopping back to the landing site where it then flipped
back to vertical and touched down successfully a truly remarkable event this was it has been so
exciting and inspiring to watch spacex iterate for the past year since the flight spacex have raised
the vehicle up and rolled the transport underneath followed by removing the legs elon musk tweeted
soon after reminding everybody that public support for life on mars is critical to making it happen
also hinting that they may try to re-fly sn15 soon saying that just keep in mind that this was
also suggested for sn 5 and 6. in the end rapid iteration means that sn15 is already obsolete
with this victory i'm speculating that we will see real focus to push towards an orbital flight
with starship number 20 and the first booster with elon's focus to have orbital flights by july
other suborbital flights may just add further delays to that idea remember that closing down the
site repeatedly for these flight tests interrupts development a great deal especially at the launch
site where a lot needs to be done to get ready for an orbital flight after that continued focus to
allow an uncrewed flight to mars by 2024 is going to be crucial we have some exciting events ahead a
big thank you to la padre for the support of our live stream of this event and tony bella as well
for joining us here to witness this with you all live i just love this stuff and we cover this in
depth every saturday so if you want to keep up to date as well you know what to do those
subscribe buttons like buttons share buttons they are all over the place thank you for your support
to news over at the build site while all of this has been going on a common time for bn 2.1 that
was spotted a few weeks back and this we believed at the time would be a full-sized super heavy
prototype however now with the ramp up of work on bn3 and the lack of parts spotted for bn 2.1
as seen on brendan's latest diagram we believe that b in 2.1 is now possibly just scrapped and
that bn3 will be the very first flight booster that is pure speculation at this moment and
nothing is confirmed there but we did see booster number three's after dome section flipped during
the week last week part of sn20s thrust home was spotted and along with this we believe that this
newly delivered thrust puck is also for sn20 this here features a different design to the previous
pucks as it looks like they've moved the bellows joint which used to be attached to the upper part
of the downcomer it now looks like it comes with the puck itself for those that don't know what
a bellows joint is it's a flexible element to compensate for dimensional changes caused by
expansion or contraction of the downcomer due to the extreme thermal changes it is unknown why it
was moved to the opposite end of the downcomer but it's just an interesting observation as sn20
is planned to be the first orbital prototype this new thrust puck also has some minor mass reduction
cutoffs on the raptor mounting plates furthermore we believe this three-ring high section here is
sn20's thrust dome sleeve and thanks very much as always to the amazing bokeh chicago and nasa space
flight for spotting so many of these great sites no label has been spotted by mary to confirm this
but the bracing matches the same height and the proportions to the previous thrust
sleeves the whole cutouts are on the middle ring matching previous thrust sleeves and
you can see at least two areas where bracing does not cover judging by the distance there
the three of these gaps in the bracing would match with the raptor vacuum engine placement
the third grand support equipment or gse tank for the orbital launch pad has now been fully stacked
as well this tank is two rings shorter than the previous two gse tanks and that is because
we believe that this third tank will hold liquid methane along with this the forward and aft domes
for the fourth gse tank are now sleeved as well so yes there was certainly plenty of work going on
outside sn15s launch now unless you've been living under a rock you would have heard the
news a few weeks ago about spacex being picked by nasa to build the next human lunar lander
quite soon after though blue origin submitted a protest around nasa's decision that awarded
spacex with almost three billion dollars for that lunar starship plan but it wasn't quite so well
known that dynamics also filed a protest since these protests came in nasa's funding for spacex
has for the moment at least been suspended that is obviously disappointing for spacex that is wanting
to achieve this epic milestone but as far as i've seen from reading into some of this material
there are some interesting arguments we'll dive more into the arguments in just a moment but
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link there in the description below so yes in the file protest by dynamics they argued that nasa had
subsequently chosen the most anti-competitive and high risk option available with the award decision
to spacex's lunar starship blue origin also argued that nasa had simply moved the targets at the last
minute which adds extra pressure to an already very tight timeline aiming to get humans back to
the lunar surface in 2024 here is the thing though nasa's choice to pick just one provider was i
suspect the only option that nasa had currently congress had only made available an extremely
limited budget with it being reported that so far nasa have received only 850 million dollars out of
the requested 3.3 billion dollars needed for two separate lunar landers this also isn't to say that
further budget is not going to open up but for now they only have funding for this one option
now having a little bit of a read over the protest document by dynamics there are certainly
fair arguments from their point of view when nasa made the initial hls contract award in april 2020
nasa explained that its acquisition strategy would allow nasa to realise the benefits of
competition when selecting the award of the human landing system contract options
they stated that maintaining this competitive environment through the 2024 demonstrations and
beyond was essentially to create performance and pricing incentives for hls contractors now
because the budget only currently seems to exist for one the strategy they based their plan on was
not valid so yes although the funding has at this time been suspended for spacex they will still i
think have that continue in the near future more than likely it is best to look at the current
award as that first initial step for the program we should i think see more award opportunities
pop up for other contractors soon and as with all things political there are many steps to take to
acquire the necessary funding for a colossal moon mission now last week we talked about the arrival
of crew 2 to the international space station and the imminent departure and re-entry of crew 1
which was soon going to follow as our last video went live this was the incredible conclusion to
the very first operational mission of crew dragon and the commercial crew program as expected crew
dragon resilience undocked from the harmony module at 8 35 pm eastern daylight time and began its
journey home following a final weather evaluation resilience jettisoned its trunk performed a
16-minute deorbit burn closed its nose cone and prepared for its fiery entry into the atmosphere
the amazing michael victor soichi and shannon were all strapped in for the final nail biting plunge
into the atmosphere at over 27 600 kilometers per hour this is always an extremely stressful part of
the mission and of course the most dangerous if any of the systems involved in the safe recovery
fail it would be a disaster that is why there is so much testing with these vehicles to ensure that
any foreseeable risks are mitigated it's also why there are so many delays during the development of
vehicles such as crew dragon and why we are yet to see boeing's starliner fly with crew this is
serious business the four shoots we see here all opened up as expected and there we see resilience
and its crew of astronauts splash down into the gulf of mexico at 2 56 a.m eastern daylight time
shortly after they were recovered by the dragon 2 recovery vessel go navigator now i think there are
some interesting points to this recovery point one is that this was the first splashdown occurring
at night by nasa since apollo 8 in december 1968. secondly and i think this is even more interesting
is that this crew one mission was the longest american crude spaceflight mission overtaking the
record set by the final skylab mission in 1974. that is an amazing effort by the entire team the
recovery of this mission to me seemed super smooth as well compared with demo 2 which was delayed by
elevated levels of hypergolic fuels used in the propulsion system and all of those pesky private
boats in the recovery zone the recovery of crew 1 was comparatively non-eventful the
astronauts exited resilience with the assistance of recovery crews aboard go navigator and they
were evaluated before flying via helicopter to houston this was a colossal milestone for both
spacex and nasa and congratulations to all of you involved in this incredible mission
on tuesday as star wars fans around the globe celebrated may the 4th spacex launched their
latest batch of styling satellites from historic launch complex 39a this booster began its life on
the telstar 18v mission in september of 2018 before making a trip out west and launching
the iridium 8 mission from vandenberg air force base since then it has supported seven stalling
missions from florida and picked up thousands of frequent flyer miles liftoff here took place at
301 pm eastern daylight time and following that of course stage separation two minutes and 35 seconds
after liftoff the first stage began its journey back to earth first lighting three of its merlin
1d engines to shed velocity for the intense heat of re-entry following that came the landing burn
of one merlin engine to come to a graceful stop on the deck of the drone ship of course i still love
you 633 kilometers from where it started quite the bulls are there perfectly dead center we were
once again lucky enough to have stunning views from the booster throughout reentry and landing
it's just incredible to have a front row seat to the booster falling through the air controlling
itself with its grid fins and then landing on the drone ship which first appears to be so small
in that vast ocean these booster landings have become routine for spacex but are still an
incredible and exciting feat to watch each and every time there we go right there this ninth
landing for this booster which is now tied with booster one zero five one we should be witnessing
the next record breaker soon with one of these two boosters flying for the tenth time one hour
and four minutes into the mission there we see the deployment as well of the 60 styling satellites
this time shimmering in the light there with the sun very low on the horizon the goal of accessible
high speed internet for all is getting closer with each starling mission thanks in no small part to
the incredible reusability of the falcon 9 booster interestingly spacex's starlink has now apparently
received more than 500 000 orders so far which is quite amazing as well what was once considered
impossible is now enabling the largest satellite constellation to grow at an unbelievable pace
now it has been great following the success of the mars ingenuity helicopter the past few weeks it
seems that this success has morphed now into this little helicopter going from a month of technology
demonstration activities to actual support demonstration duties for the perseverance rover
the plan is that once ingenuity completes its flight demonstrations shortly as a bonus it's
now going to fly ahead of perseverance to look for hazards and potential sites for sediment and
rock sampling the idea of course being how much value can aerial scouting assist the operations
of a rover such as perseverance their helicopter can gather intel on the path forward and sites
of interest while the rover is dedicated to science gathering activities the plans just
recently changed when it was decided not to drive perseverance away from the landing site leaving
ingenuity behind entirely thanks to a site of interest in the area they will both work together
to gather as much science as possible before the middle of october this is the time when the earth
and mars are at opposite sides of the sun making communications impossible for a period of time
so yes with flight time now extended by a month anything beyond that now all depends on the solar
powered heater holding out it was only built to last for one month so protecting ingenuity from
the freezing night temperatures is going to be an interesting challenge still it's great to
see how nasa can change plans like this as the mission evolves we hope to see ingenuity last
for a bit longer yet there is a lot of data to recover which will provide wonderful inspiration
to assist in the design of future vehicles like this so yes certainly no shortage of news this
week thanks as always for sticking through it all with us remember that we are huge supporters of
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