
tanger
u/tanger

Could the current flight profile only be a careful beginning of something better ? Could you load it with significantly more propellant so that you could go higher and stay in "space" for a longer time, so that you actually have some time to enjoy the ride that you paid 0.5-1m$ for ? Would it survive the reentry ? Would the crew handle the increased reentry decceleration ?
Blue Origin protests NASA Human Landing System award - SpaceNews
spacenews.com/blue-origin-protests-nasa-human...What other parts of space missions could be switched from in-house or cost[-plus] development to commercial competition in the future ?
Two of the lead contractors vying to build NASA’s first human-rated lunar lander in 50 years are Blue Origin and SpaceX, led by billionaires Jeff Bezos and Elon Musk. Bridenstine said companies could supply more private funding to make up for a potential shortfall in the NASA budget.
“That is something that needs to be seriously considered. Our goal is to create the plan that best optimizes our ability to land on the moon by 2024, but certainly if
Develop autonomous methalox jetpacks - when shit hits the fan, you abort by venting the astronauts out !
How much delta V will we produce if we push Starship to a great distance using a chain of expendable tugs ?
I created a calculator HTML page where you can experiment with parameters:
http://89.187.142.152/deltav.html
https://pastebin.com/raw/znWReasK (save this as a HTML file to your computer)
For example (the real parameters are unknown), assuming 100 tons ship with 100 tons cargo and 1200 tons fuel and a chain of three 80 ton tugs with 1200 tons fuel each:
Total delta-V 11778 m/s
Tug #1 produces delta-V 969 m/s (total mass of burn 5240, mass without fuel 4040)
Tug #2 produces delta-V 1345 m/s (total mass of bu
ToryB's long reddit comment about the economics of propulsive landing
reddit.com/r/SpaceXLounge/comments/ftstmv/ton...reposting this with a better title: https://www.reddit.com/r/Folding/comments/g1qklk/some_bad_news_and_good_news/
I would really appreciate if anybody checks out my flash card app and tell me what they think about it.
https://play.google.com/store/apps/details?id=com.pocketcram or through a QR code here: http://pocketcram.com
The list of features is long but here are a few highlights:
- The ability to create and edit cards on a web page and synchronize them with the phone in both directions.
- Automatic e-mail backups to keep the cards in safety
- The option to choose a learning interval manually if you don't like the SuperMemo proposal - useful in case you half-fail at answering a card
I really need some opinions. I like using the app myself and some people use it pretty extensively but it seems th