Everyday Astronaut Profile picture
Apr 21 8 tweets 3 min read Twitter logo Read on Twitter
This is not a render. This is not a simulation. This is @SpaceX’s first integrated test flight of #Starship with the Super Heavy booster, the world’s largest and most powerful rocket to ever fly. This #slomo is from our 8k tracker shot by @considercosmos.
It’s massive, 120 m [394 feet] tall and 9 m [30 feet] wide and has over twice as much thrust as the Saturn V that took humans to the moon. The booster has 33 "Raptor 2" engines, which utilize the ultimate in power cycles, the full flow staged combustion cycle.
This test flight was uncrewed and was highly experimental. SpaceX was hoping to validate as many systems in flight as possible and the rocket made it much further in flight than most thought it would.
Although it was intentionally terminated 4 minutes in flight after reaching a peak altitude of 39 km [128,000 feet], it was considered quite a successful demonstration and provided valuable data for the next launches.
This is the rocket that will [eventually] take me to the moon with @dearmoonproject. We will need to see dozens of successful launches and a much more mature rocket before any humans are onboard, of course.
But this is major progress, the iterative process might not always be pretty, but in the long run it will make for the most robust, most capable, and eventually a fully and rapidly reusable launch vehicle.
And again, huge congrats to @SpaceX / @elonmusk for making serious progress and putting on an incredible show! Can't wait for the next one!
PS: The song used in this video is my newest song called "CRYO" find it anywhere you stream like Apple Music / Spotify. Here's the Spotify link for those interested in weird mathy 5 over 4 breakdowns 😉 spotify.link/bPZrASYIbzb

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More from @Erdayastronaut

Apr 19
NEW SONG OUT NOW! Find “Cryo” by Everyday Astronaut on all streaming services now! Perfect for a little prelaunch hype! 🚀 Image
Read 4 tweets
Feb 21
I’m not making fun of someone for being wrong about something because we all make mistakes & hopefully are learning more every day… BUT HOW did someone get almost every fact wrong in this paragraph?!? Like I’m genuinely curious where this all came from 🤦‍♂️ almost impressive 😂
"The Russian N1 engine was the biggest and most reliable of all rocket engines."

FALSE. The Saturn V's F-1 is the largest / most reliable single combustion chambered engine ever made, but the Soviet RD-170/171 is larger and more powerful, however it was not on the N1
"NASA bought a bunch of them through intermediaries in the late 1960s and that rescued the Apollo Program from disaster. "

FALSE. In the 90's Aerojet purchased 20 NK33's (from a next gen N1) and refurbished them into the AJ26, this first flew in 2013 on Antares 100
Read 7 tweets
Jan 8
@drskyskull I know you won’t care to listen to this and write me off as an Elon fanboy, but I have hours of conversation of him talking deep rocket science. He knows exactly why you can’t power a rocket with electricity beyond a Rutherford class engine because of power density
@drskyskull The question was “can you have an electric rocket”, not can you have an electrical thruster. Factually, Elon knows the difference. A rocket, although it can imply an engine, generally implies the launch vehicle (and I believe does in this case)
@drskyskull There is a pretty strict limit to thrust to weight ratio of electric propulsion. ESPECIALLY ion drives, which have horrifically low thrust to weight ratio but incredibly high ISP. But then electrical pump fed engines pale in comparison a turbine pump fed engine
Read 10 tweets
Apr 29, 2022
A few quick reminders...

1: The FAA takes forever, for everything. Everyone from Rocket Lab, to Astra, Virgin Orbit or Firefly's Alpha has experienced FAA related delays. It's (unfortunately) quite normal for this stuff to get approved much slower than any of us wish...
let alone approving the world's largest rocket ever launching just 5 miles from populated areas. The FAA has a lot of work to do and I'm not at all surprised it's taking longer than initially anticipated, especially if they truly reviewed all public comments.
2: NASA is RELYING on SpaceX's Starship for Artemis to be successful. Without the Starship Human Landing System, the Artemis program doesn't have a way to land on the moon, full stop.
Read 10 tweets
Jan 13, 2022
Return to launch site landings (RTLS) are just simply the coolest!!! And that sound 😍 While the rocket is in the coast phase, find out why the rocket engines don’t melt. Fun fact, the Merlin vacuum engine employs almost every technique! @SpaceX @elonmusk
For people wondering why it sometimes lands on land & sometimes on the droneship, take the mass of the payload & the destination it’s going to, find out how much work can the second stage do (how much can it accelerate the payload)…
Then you can see how much of the work does the first stage need to do. If it needs to do a lot of work, it won’t have enough fuel to do a boost back burn, if it doesn’t have to do a lot work, it can turn around and come back for an RTLS landing
Read 4 tweets
Jan 1, 2022
It's the start of a new year and that means we get to try our hand at guessing what spaceflight events we'll see in the next 365 days!!! Then we'll check back in next year and see how we did!!!👇POLLS BELOW!!!👇
Which rocket will launch first this year?
How many times will Falcon Heavy launch this year [there are currently 5 potential launches on the schedule]
Read 25 tweets

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