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Elon Musk
@elonmusk · 19. Feb. 2017
Just posted a video
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Elon Musk
@elonmusk · 19. Feb. 2017
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Elon Musk
@elonmusk · 19. Feb. 2017
Baby came back
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Elon Musk
@elonmusk · 19. Feb. 2017
Antwort an @mattnewby
no
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xuan thai
@Xuan_Thai · 18. Feb. 2017
@elonmusk did you personally make the call to override the launch or was a system call?
Elon Musk
@elonmusk · 18. Feb. 2017
System was green for launch. I called it off.
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Parabolic Arc
@spacecom · 18. Feb. 2017
Can u address specifics in GAO report? Past projections proved optimistic. Why is GAO wrong? What's different now?
Elon Musk
@elonmusk · 18. Feb. 2017
They are often right, but, in this case, we have already retired so much R&D risk on Dragon 2, that I feel very confident of 2018.
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Elon Musk
@elonmusk · 18. Feb. 2017
Antwort an @zperrin99
Uses high pressure bleed off the fuel side (RP-1 kerosene) turbopump, so no dedicated pump or fluid needed
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Elon Musk
@elonmusk · 18. Feb. 2017
All systems go, except the movement trace of an upper stage engine steering hydraulic piston was slightly odd. Standing down to investigate.
Elon Musk
@elonmusk · 18. Feb. 2017
Btw, 99% likely to be fine (closed loop TVC wd overcome error), but that 1% chance isn't worth rolling the dice. Better to wait a day.
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Christophe TFf🇪🇺🇧🇪
@ChristopheTff · 18. Feb. 2017
is this because of this "small leak" in the upper stage ?
Elon Musk
@elonmusk · 18. Feb. 2017
Not obviously related to the (very tiny) helium leak, but also not out of the question
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Elon Musk
@elonmusk · 18. Feb. 2017
All systems go, except the movement trace of an upper stage engine steering hydraulic piston was slightly odd. Standing down to investigate.
Elon Musk
@elonmusk · 18. Feb. 2017
If this is the only issue, flight would be fine, but need to make sure that it isn't symptomatic of a more significant upstream root cause
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Elon Musk
@elonmusk · 18. Feb. 2017
All systems go, except the movement trace of an upper stage engine steering hydraulic piston was slightly odd. Standing down to investigate.
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Elon Musk
@elonmusk · 18. Feb. 2017
Counting down to the first SpaceX launch from the Apollo 11 launch pad tomorrow morning (webcast…
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Elon Musk
@elonmusk · 18. Feb. 2017
spacex's photo
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Elon Musk
@elonmusk · 18. Feb. 2017
Provided Dragon 2 demo missions go well, SpaceX is highly confident of being able to fly US astronauts in 2018
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Elon Musk
@elonmusk · 17. Feb. 2017
Investigating a (very small) leak in the upper stage. If ok, will launch tomorrow.
SpaceX@SpaceX· 17. Feb. 2017Falcon 9 and Dragon at historic launch pad 39A. Liftoff slated for Saturday at 10:01am ET.
Elon Musk
@elonmusk · 18. Feb. 2017
Looks like we are go for launch. Added an abort trigger at T-60 secs for pressure decay of upper stage helium spin start system.
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Elon Musk
@elonmusk · 17. Feb. 2017
Investigating a (very small) leak in the upper stage. If ok, will launch tomorrow.
SpaceX@SpaceX· 17. Feb. 2017Falcon 9 and Dragon at historic launch pad 39A. Liftoff slated for Saturday at 10:01am ET.
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emanuele menietti
@emenietti · 17. Feb. 2017
this one doesn't need to stop and provides a continuous tunnelling mode, in some conditions herrenknecht.com/en/products/co… / @elonmusk
Elon Musk
@elonmusk · 17. Feb. 2017
Yes, but only deep in solid rock, where the walls are self-supporting and concrete reinforcements arguably aren't needed
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Sc00bs
@sc00bs · 17. Feb. 2017
Is there any reason that most of the landings appear to have been at night so far?
Elon Musk
@elonmusk · 17. Feb. 2017
It's much easier to do the CGI that way
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Elon Musk
@elonmusk · 16. Feb. 2017
Daylight rocket launch & landing at the Cape this weekend. Will be the 1st SpaceX flight from the Apollo launch pad.
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Elon Musk
@elonmusk · 16. Feb. 2017
Antwort an @PhoebeColeman
I used that one :)
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