Posted in r/spacex by u/zsreport • 102 points and 104 comments

@TylerG1998 @NASASpaceflight @SpaceX It is! Looks like we can get 378 sec Isp with this version of Raptor Vacuum, so over 380 sec with some improvements down the road.

Narrative licensing document for application filed by Space Exploration Holdings, LLC for experimental wireless communication testing..

Falcon 9 and 88 spacecraft are vertical on pad 40 ahead of today’s launch. The 58-minute window opens at 2:56 p.m. EDT, and the webcast will go live about 15 minutes before liftoff → spacex.com/launches

Elon Musk is speaking virtually at #MWC21 as SpaceX CEO. Livestream: mobileworldlive.com Thread:

@SpaceX Unfortunately, launch is called off for today, as an aircraft entered the “keep out zone”, which is unreasonably gigantic. There is simply no way that humanity can become a spacefaring civilization without major regulatory reform. The current regulatory…

Booster 3 is fully stacked in the High Bay!

@nextspaceflight There is the internal goal if things go right, which needs to be aggressive. Obviously, some things will not go right internally & there will be external issues too. That said, I think we can stack an orbital ship on an orbital booster in…

While SpaceX claimed that a county prosecutor may have been fed misinformation that led to “certain misunderstandings regarding certain facts,” it committed in a June 17 response letter to cooperat…

In previous blogs I’ve talked about how Lunar Starship can save the Artemis program to build a sustainable Lunar base. I’ve discussed how a Lunar Starship can deliver roughly 210 T to t…

@Erdayastronaut Great shot! Btw, Starship Super Heavy will not have an entry burn. Delta-v is shifted more to the ship, so booster entry Q & heating is lower.

@RenataKonkoly @Erdayastronaut First one to fly will, so Booster 4. Booster 3 will be used for ground tests. We’re changing much of design from 3 to 4. Booster 3 was very hard to build. Expect especially rapid evolution in first ~10 boosters & first ~30 ships.