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Rob Dekker

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SpaceX
« on: February 24, 2019, 10:34:25 AM »
This thread created from the "Tesla" thread.

SpaceX does all kind of exciting stuff, so I'm just dropping in my comment as a starter :

At this point, it would be good to note that SpaceX just completed another successful launch, this time of the first Israeli Moon Lander, and a Indonesian communication satellite :



Also noteworthy is that with this launch they completed the 34th successful landing and recovery of a Stage-1 booster rocket, and this is the second time that SpaceX re-uses a Stage-1 booster for the THIRD time.

That really shows that they can re-use booster rockets successfully and in doing so reduced the cost for LEO launches below ANY other competitor, and still make money !
This is our planet. This is our time.
Let's not waste either.

Sigmetnow

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Re: SpaceX
« Reply #1 on: February 24, 2019, 02:01:55 PM »
NASA completes certification of SpaceX Dragon Crew capsule; sets March 2 launch date for Demo-1 flight to International Space Station; will provide live coverage and updates.

NASA, SpaceX Demo-1 Briefings, Events and Broadcasts
https://www.nasa.gov/press-release/nasa-spacex-demo-1-briefings-events-and-broadcasts

NASA TV - SpaceX DM-1 [Pre-] Flight Readiness Review Press Conference - YouTube



——

SpaceX is building a big ship to go to the moon, then Mars in just a few years.  (As Musk has said, you don’t want to live for months in something the size of an SUV. ;) )
To get there, they needed to design and build a new, more powerful rocket engine.  Behold, the Merlin engine.

SpaceX’s Starship engine breaks Russian rocketry record held for two decades
https://www.teslarati.com/spacex-starship-engine-breaks-russian-record-extraordinary-test-series/

Elon Musk on Twitter: Raptor just achieved power level needed for Starship & Super Heavy - spacex
https://www.reddit.com/r/spacex/comments/ao1lz5/elon_musk_on_twitter_raptor_just_achieved_power/
People who say it cannot be done should not interrupt those who are doing it.

Archimid

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Re: SpaceX
« Reply #2 on: February 27, 2019, 02:37:08 AM »
SpaceX Falcon 9 booster (B1048.3) return and recovery operations


I am an energy reservoir seemingly intent on lowering entropy for self preservation.

Emiriya

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Re: SpaceX
« Reply #3 on: February 27, 2019, 11:32:56 AM »
Third Lift For A Three-Time Flown Booster - B1048 - 02-24-2019


Rob Dekker

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Re: SpaceX
« Reply #4 on: March 08, 2019, 08:53:16 AM »
This is just so AWESOME :

SpaceX Crew Demo-1 Mission.

Launch and successful booster landing :



Docking with the International Space station :



Astronauts Enter Crew Dragon after Docking



Re-entry and splash down :



And with that, the first ever commercial mission to launch a vehicle to the ISS, dock with the ISS, and return to planet Earth comes to a close. Eight years after the last US vehicle visited the ISS.

Congrats to SpaceX and NASA for making this happen.

Looking forward to the first manned mission of SpaceX's Crew Dragon Demo-2 to ISS later this year.
« Last Edit: March 09, 2019, 09:07:25 AM by Rob Dekker »
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Rob Dekker

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Re: SpaceX
« Reply #5 on: March 09, 2019, 10:53:17 AM »
Crew Dragon looked a bit like a toasted marshmallow, although that was to be expected after reentry at 17,000 mph.



Important thing is that it made it in one piece and the inside was cool.
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Sigmetnow

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Re: SpaceX
« Reply #6 on: March 14, 2019, 01:07:34 PM »
Looks like NASA will announce next week that it wants SpaceX to launch the Orion uncrewed mission around the moon, rather than NASA’s own SLS rocket, which is facing delays.  (SpaceX could launch several Falcon Heavy rockets more quickly, and at much less cost, than one SLS launch.)
Quote
Eric Berger (@SciGuySpace) 3/13/19, 10:25 AM
Big news: NASA administrator Jim Bridenstine says agency will consider launching EM-1 mission of Orion crew capsule around the moon on a private rocket.
https://twitter.com/sciguyspace/status/1105837253765550081
Bridenstine says NASA wants to keep its commitment to launching the EM-1 mission by June 2020.

Eric Berger (@SciGuySpace) 3/13/19, 10:28 AM
NASA would use two rockets: One to launch Orion into low-Earth orbit. One to launch a fully fueled upper stage. They would mate, and then Orion flies its EM-1 mission profile. "NASA has a history of not meeting launch dates, and I'm trying to change that."
Incredible to hear.
https://twitter.com/sciguyspace/status/1105838101811744768

Eric Berger (@SciGuySpace) 3/13/19, 1:14 PM
Have heard that one company recently sent an unsolicited proposal to NASA to launch Orion on its rockets.
Which are built in LA.
https://twitter.com/sciguyspace/status/1105879804790951937
See also: his other March 13 tweets….

Facing more delays, NASA opens door to launching lunar mission with commercial rockets
https://spaceflightnow.com/2019/03/13/facing-fresh-sls-delays-nasa-chief-opens-door-to-launching-orion-lunar-mission-with-commercial-rockets/

Reddit discussion:
https://www.reddit.com/r/spacex/comments/b0p2iq/erig_berger_on_twitter_have_heard_that_one/
« Last Edit: March 14, 2019, 02:37:32 PM by Sigmetnow »
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Sigmetnow

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Re: SpaceX
« Reply #7 on: March 18, 2019, 02:35:49 PM »
Watch a cool, 2-minute time-lapse video of the Crew Dragon maintaining position next to, and docking with, the International Space Station as they orbit the earth at over 17,000 miles per hour:
Quote
Cameron Byers (@Cameron_Byers_) 3/17/19, 6:56 PM
Edited a sped-up video of the DM-1 Dragon 2 docking. Really shows how active the guidance software is while at the 20m hold point. @NASASpaceflight @ChrisG_NSF @elonmusk #spacex #nasa
https://twitter.com/cameron_byers_/status/1107415378043375616

———

• Starship Hopper is preparing for first hop tests as soon as next week
• Their special formulation of stainless steel withstands test orbital entry temperature of 1650 Kelvin (2500ºF/1400ºC)
• SpaceX begins building a full Starship prototype

SpaceX’s first orbital Starship begins assembly as steel heat shield passes tests
Quote
Tests like those shown on March 17th by Musk indicate that SpaceX is indeed deep into the process of extensive and often destructive testing, something the company has proven to be exceptionally good at. It’s unclear if the above test of Starship’s hexagonal heat shield tiles – likely made out of a variant of 300-series stainless steel – involved tiles with active or passive cooling, but Musk suggested that the hot-spots created with spin-forming torches reached temperatures as high as 1650 Kelvin (2500ºF/1400ºC. Unlike the ablative heat shields SpaceX is familiar with building and operating through its Crew and Cargo Dragon spacecraft, a stainless steel heat shield would be expected to almost entirely resist erosion (i.e. ablation) during extremely high-velocity reentries of at least 12-14 km/s (~31,000 mph, Mach 40+).

Meanwhile, Musk also confirmed that SpaceX has decided to skip constructing a replacement nosecone/fairing for Starhopper, a functional Starship prototype that will be used to conduct extremely short hop tests like Falcon 9’s development-era Grasshopper and F9R test articles. Over the last several weeks, SpaceX technicians have been rapidly assembling what was initially assumed to be the replacement fairing Musk had previously suggested would be built. Instead, the duo of stainless steel barrel sections – relying on steel much thinner than the heavy-duty stuff used to build Starhopper – are apparently the beginnings of the first orbital-class Starship prototype, said by Musk to be aiming for flight-readiness as early as June 2019 around two months ago.
https://www.teslarati.com/spacex-orbital-starship-heat-shield-tests/

Quote
< Do y’all think #SpaceX will attempt some sort of test, With only one raptor [engine] or wait for the other two to arrive. It’s honestly been boggling my mind.
Elon Musk (@elonmusk) 3/17/19, 3:37 PM
First (really short) hops with one engine. Suborbital flights with three.
https://twitter.com/elonmusk/status/1107365369168056320
< Saw this on Reddit, so the first hops are happening next week? [Image of road closure notice.]
EM: Hopefully. Always many issues integrating engine & stage. First hops will lift off, but only barely.
« Last Edit: March 18, 2019, 02:42:15 PM by Sigmetnow »
People who say it cannot be done should not interrupt those who are doing it.