RCgothic

Header tank pressure low leading to landing overspeed. They got all the data they need!

Good catch. Yes it looks like an engine out and the engine was required. An almost totally successful test otherwise!

RIP SN8! But controlled until the last moment!

SN5 ;-) But actually that might be probable. There have been a lot of frankenrockets made from various ICBM stages.

You prompted me on dummy upper stages though. ;-)

Also the spotter would have been authorised to be in the airspace.

Ares-1X is taller and heavier as well (technically single stage due to dummy upper stage). SN8 is probably the most voluminous though.

Hold and detanking. Argh!

Countdown seems to be proceeding that way. Confirmed:

Looks like the WB-57 isn't going to make it. Is SN8 going to be the largest single stage rocket ever launched? Suspect it might be.

The pilot is actually getting in on the Twitter action, lol:

They've updated the take-off time for the observer to 12:30, with a 3h flight implies a launch around 2pm CST.

TFR is now in effect:

Here we go again:

She was actually following me and I hadn't followed back! *scream face emoji*

Dude.

Tri-vent! Launch estimated between half past and twenty to the hour.

But they have been hot fired, which seems unusual for pathfinders maybe. Not disputing that they won't fly.

If we call them SN1 and SN2 would that be too snarky?

ULA now have at least 2 BE-4s at their factory.

The drones push on the air which pushes on the spacecraft. No net impulse without ejecting something from the system. Conservation of linear momentum. If they fly around the torus then they would spin the torus in place in the opposite direction whilst they are flying. When they stop the torus will stop. Conservation of angular momentum. This second is actually a useful effect, because you can stop the spin pointing in a different direction by changing where you stop. It's used with gimbals for attitude control and fine pointing on existing spacecraft.

Nope. Consider the before and after. Is anything moving with respect to anything else? If not, you have not given anything a NET impulse. It doesn't matter what part of the spacecraft the astronaut touches - whether the back wall, the side wall, or hanging from a rope from the front. The moment she goes back to the same speed as the spacecraft nothing has really changed except the internal distribution of mass. The only way to get a NET impulse is to eject something from the system.

I almost suspect that a thorough appraisal of the site's condition might have caused it to be condemned even before the first cable failed. Replacing all the degraded parts would have been a major undertaking, and if the safety factors aren't there for the work then that's the end right there, even before thinking of things like budget.

Dragon 2 masses about 15.6t with full payload, which is about Falcon 9's max payload with recovery (and max payload full stop until someone pays to upgrade the PAF). Dragon 1 massed about 10.2t, so there's a pretty huge difference.

MK1 being further dismantled. :-(