SpaceX (general discussion)

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#1470 - Elon Musk

The Joe Rogan Experience · Episode
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How many flights did that booster have under its belt? SpaceX seems to generally use its highest mileage boosters for in house launches.
 
Regarding the booster loss on Starlink L19 mission whilst attempting landing.

https://twitter.com/x/status/1361720223766700032
View: https://twitter.com/djsnm/status/1361720223766700032


Comparison of booster accelerations around time of entry burn - blue is last night's flight, red is from 2 weeks ago.
It's not a full 33% reduction in thrust so it wasn't a complete engine failure.
Afterwards you can see aerodynamic drag rises faster before loss of telemetry
Click to expand...

https://twitter.com/x/status/1361720718426337283
View: https://twitter.com/bexben9/status/1361720718426337283


Decreased drag likely due to control system not aiming for the droneship after a detected anomaly
Click to expand...

https://twitter.com/x/status/1361721803320696832
View: https://twitter.com/djsnm/status/1361721803320696832


It's consistent with it simply being deeper in the atmosphere at a higher speed
Click to expand...
 
www.businesswire.com

World’s First All-Civilian Mission to Space Will Usher in New Era of Commercial Space Exploration

Jared Isaacman of Shift4 today announced plans for the world’s first all-civilian mission to space - named Inspiration4 - from SpaceX’s headquarters.
www.businesswire.com

www.spacex.com

SpaceX

SpaceX designs, manufactures and launches advanced rockets and spacecraft.
www.spacex.com www.spacex.com

www.nasaspaceflight.com

SpaceX announces Inspiration4, all-civilian space mission in support of St Jude's Hospital - NASASpaceFlight.com

SpaceX has added a new private Crew Dragon mission to their growing human spaceflight manifest.…
www.nasaspaceflight.com www.nasaspaceflight.com

https://twitter.com/x/status/1359973422831345665
View: https://twitter.com/TeamTime/status/1359973422831345665
 
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changes a Boca Chica

New Launch pad
The Round foundations are so the worker for LOX, LCH4 and Water Tanks
They drilling next the Launch pad deep holes for concrete foundations,
for support Tower/Crane ?
in mean time the support ring for launch pad get completed

https://twitter.com/x/status/1363188934759485440
View: https://twitter.com/RGVaerialphotos/status/1363188934759485440




Nose cone of SN15 feature strange difference
instead header tank there plate installed

https://twitter.com/x/status/1365020131634671626
View: https://twitter.com/BocaChicaGal/status/1365020131634671626
 
After a record breaking engine swap, SpaceX static fires Starship SN10 for the second time this week. If the test was successful, SN10 is now ready for flight.

Video from Mary (@BocaChicaGal) and the NSF Robotic Camera Team. Edited by Brady Kenniston (@TheFavoritist)
Click to expand...

View: https://www.youtube.com/watch?v=CshqxSkzSYg
 
The ocean also provides a pretty handy abort mode. Just kick the rocket a couple hundred meters in any direction. I wonder though if the two rigs they bought can be adapted; I'd think there would be issues with center of gravity with a full up booster/starship. It's the weight USN destroyer; I'd think the vehicle could only be staged from the center of the platform. SpaceX would also need a fleet of ships to move boosters, starships, and fuel to the rigs...I can't imagine they could fuel more than one complete mission from locally stored fuel. But it probably is still easier to operate on the water rather than deal with all the issues of local inhabitants that will always be an issue unless you owned hundreds of square miles.
 
Whatever choice they take, the rig approach will induce a lot of, probably yet, unforeseen constraints that will affect their reach for a quick expansion. It's a bad idea.
 
From late last month:
tech.slashdot.org

Starlink Will Hit 300Mbps and Expand To 'Most of Earth' This Year - Slashdot

Starlink broadband speeds will double to 300Mbps "later this year," SpaceX CEO Elon Musk wrote on Twitter this week. SpaceX has been telling users to expect speeds of 50Mbps to 150Mbps since the beta began a few months ago. From a report: Musk also wrote that "latency will drop to ~20ms later...
tech.slashdot.org
 
Why the Falcon 9 didn’t land last month. It seems due to sheer re-use, that a particular component failed causing loss of an engine because that component was a life leader in its number of re-uses it had experienced. No Falcon 9 had seen so much re-use of that component. If your pioneering this sort of thing then I guess you can expect things like this.

spacenews.com

Engine shutdown led to failed Falcon 9 booster landing

A Falcon 9 first stage failed to land after a launch last month because one of its engines shut down during flight after hot gas breached a worn-out cover.
spacenews.com spacenews.com
 
Josh_TN said:
The ocean also provides a pretty handy abort mode. Just kick the rocket a couple hundred meters in any direction. I wonder though if the two rigs they bought can be adapted; I'd think there would be issues with center of gravity with a full up booster/starship. It's the weight USN destroyer; I'd think the vehicle could only be staged from the center of the platform. SpaceX would also need a fleet of ships to move boosters, starships, and fuel to the rigs...I can't imagine they could fuel more than one complete mission from locally stored fuel. But it probably is still easier to operate on the water rather than deal with all the issues of local inhabitants that will always be an issue unless you owned hundreds of square miles.
Click to expand...
I guess all these isues with floating platfororm will be solved till engineers sart building of this platform. As you have mentioned this is much better to lauch Starship somewhere from a sea than from the ground frome some specialy prepared area.
 
Third times the charm with SN10 successfully performing a soft landing. SN11 next.
 
looks little bit like the tower of Pisa
but it stay upright and no RUD
 

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