Mad Rocket Scientist

It depends on how far in the future the war is. For near future, something like Children of a Dead Earth, the fleets will probably be a bit further apart, but not much since nukes are so weak in a vacuum. Plus, nukes are relatively cheap enough that barrages of them of would be launched.

On that note:

They are meant to look like this: However sometimes they show up like that for me too. Are you using any browser extensions (such as disconnect or an ad blocker) that might block embedded twitter trackers? And what browser are you using? EDIT: Blocking platform.twitter.com or a few others will break the embeds so they look like that. EDIT2: The iframe that is the tweet when it looks like that has its style defined inline, including the height, which is always the same amount too small (~7px).

Thanks, and thanks for scouring twitter for updates on all these threads.

I thought the LES motor doubled as the soft landing motor, but I suppose that doesn't make sense since the LES would have have to have a higher TWR.

Congratulations on not only getting those to look great, but also to fly. I've always had to cheat to make Star Wars replicas fly.

I just made a post about Orbex. I understand if you don't want to include it though, they aren't really launch providers yet.

Orbex is a British aerospace startup. We didn't have a thread for it yet, so I thought I'd make one. They appear to have a fancy website, $40 million, and a plan to build a commercial spaceport in Scotland, along with Lockheed Martin and the U.K. Space Agency. They are targeting 2021 for their first flight, and seem to be aiming for polar and SSOs. Their first launch vehicle is called the Prime, and appears to fit into the Falcon 1/Vector-R/Electron category. They claim that Prime will be up to 30% and 20% more efficient that other smallsat launchers. They say that they will use bio-propane as a fuel, and I think LOX is the most likely oxidizer. They claim to have developed a new staging and payload seperation system called "Magic" which is "zero-shock" and leaves no orbital debris. They say "It also features a novel reusability concept, with an innovative new low mass recovery and reflight system." Their ignition system "no moving parts or electrics" which sounds like a polite way to say pyrotechnics. It looks like they are using carbon fiber in their rockets, since they're hiring composite production engineers. I know my tone is bit snarky about their lack of meaningful info, but I really do wish them all the best. And I believe this would be the first time a British rocket left the ground since the 70's. Twitter LinkedIn Instagram

To make sure I understood what people were saying, I plugged the formulas into fxSolver, and got this: Clearly, two particles of 0.5n mass given the same initial push have more momentum than one particle of n mass, given the same push. So ignoring everything else, lighter exhaust products are better. Thanks for the help.

I really hope we get drone footage of a fairing landing on that.

That's a great song, although I prefer Leonard Cohen's version for the vocals and for having all the lyrics.

So they confirmed that the bricks were made out of tunnel mud: And now they have colored tunnels: Seems slightly pointless, but exactly the kind of fun and silly idea that makes me love Elon Musk projects.

I wouldn't be surprised if they try to recover it anyway, just to see whether it's possible. After all, the abort will be over the ocean, and they can always blow it up if it goes wrong.

That makes sense to me too, I was imagining a situation where momentum stayed constant with the same "push" as mass varied, but I think my mistake was in how momentum worked. I think it has to do with assuming that impulse = energy, but I'm not sure.

That reminds me of the Children of a Dead Earth soundtrack: