Category Archives: Business

Business, Space, Technology and Society

The First High-Altitude Starship Test

99 Comments

…coming this week.

Regardless of the outcome, it will be exciting.

[Wednesday-afternoon update]

It could be as soon as Friday.

[Bumped]

[Tuesday-morning update]

Today seems to be the day. It’s being covered by NASA Spaceflight.

[Bumped again]

[1440 PST update]

Raptor abort. They aren’t going partway to space today.

[Wednesday-afternoon update]

Fuel is loading, T-26 minutes to launch.

[Bumped]

[Post-flight update]

Well, that was kind of spectacular. As I said, guaranteed to be exciting. The exhaust looked a little weird toward the end. It was greenish, as though it was maybe running fuel rich. If so, Perhaps the thrust wasn’t up to spec, and insufficient to control the landing on final.

[Update a while later]

Elon said that the header tank pressure was low on landing. I’m guessing that this maybe resulted in bubbles in the cooling channels, overheating of the nozzle, and injecting copper into the flow, for that green effect. And reduced thrust, of course, which is why they came in too fast.

[Update Thursday afternoon]

Am I the only person who thinks it would be pretty unpleasant to be in the nose of that thing at final (even with a successful landing)?

Administrative, Business, Technology and Society

Computer Problems, Continued

8 Comments

This post and comments were getting to be too much, so I’m starting a new one.

So when we last left our intrepid hero, he couldn’t reinstall grub because the shell wouldn’t talk to the Internet.

So I rebooted the live USB again, and after I did so, I could ping the net. So I went to this suggested page, and tried to do what it said, but his lsblk issues this tree:

Continue reading Computer Problems, Continued →