131–140 of 288 posts
This is really neat, but would like to know more about the engine. The image seems to show a very simple design, without turbo pumps that are a mainstay in any other "rocket" engine.
> The machine also automatically outputs a report that details any deviations during printing, removing the need for postfabrication qualification. Anyone who's previously worked with 3D printing knows that this simply does not pass any kind of a sniff test. Both preventing and detecting internal defects is one of the, if not the hardest problem in 3D printing. There are many large companies trying to find ways to re…
And then test and go back to see what kinds of defects were apparent in the photos.
Raptor 1, 2, and 3:
https://www.nextbigfuture.com/2023/07/spacex-further-improve...
Earlier quoted context omitted.
It's quite understandable, imho. Immigration is being allowed precisely for cheap labor, especially when citizens are not prepared to go through the extra hardship - for example, I remember reading that the fatalities when the bridge fell in Baltimore around 1 am, were all immigrants, all on duty at that hour. For specialized labor, there is always a question of possible espionage and back-channel tech transfer. This…
> fatalities when the bridge fell in Baltimore As an example of how strict immigration policy is, the crew were made to stay on the boat throughout, including while parts of the bridge were blown up.
There are more than 50 countries right now standing with begging bowls outside the IMF cause their economies have no hope of growing without help. As long as that list has no hope of shrinking, people who live there and recognize that reality, are going to find ways to get out by hook or crook.
Immigration is a symptom of growing global inequality. Without inequality reducing no rules or walls are going to stop the incoming waves.
Earlier quoted context omitted.
If it would be a Tesla, just enough time for the auto-pilot to disengage and claim it was the fault of the user.
Tesla autopilot is not supposed to be unmonitored, so any accidents under its control are entirely the fault of the driver. If a driver disengaged 0.1s before impact, they were derelict in their driving.
>Constructing a rocket engine using conventional approaches can take months, followed by extensive qualification testing to ensure it meets the required specifications. Using a metal 3D printer from German company EOS, Agnikul produced its engine in roughly three days. Agnikul printed the engine out of inconel, a high-performance alloy of nickel and chromium that can withstand high temperatures and mechanical loads.…
Earlier quoted context omitted.
Well there were probably some early warning signs The problem is that warning sign comes at around 10ms or less before the actual disaster
There were plenty of early warning signs. In a previous dive back in 2019 they had professional submersible designer Karl Stanley on board, who later wrote an email to OceanGate about the worrying cracking sounds he heard. > "What we heard, in my opinion ... sounded like a flaw/defect in one area being acted on by the tremendous pressures and being crushed/damaged," Stanley wrote in the email, a copy of which has bee…
They seem to have run fewer tests on the new hull, though. From the outside, it looks like one of the lessons they learned from earlier tests was that tests can create bad news, so if you're optimizing for the best reports back to investors you should stop running tests.