Oh shit, sorry, 2,000 km/s is SpinLaunch II, when we need to start considering relativistic effects. Investors love it. But thanks, I edited my above comment, I do typically work in the thousands of km/s regime, with ~ 100 eV electrons, and bluk flows of ~ 500 km/s. Yup, even more incriminating than the aversion to explaining where their funding is coming from is indeed the lack of showcasing any modeling results. They don't even say that they've used any fluid models whatsoever. I think this could be an engineers only project. There might not be a single physics PhD floating around the company. And I wonder, after this thing goes tits up, if ex-employees will want to put it on their resume. How many of the higher-ups do you think truly believe this is possible? "Forced entry, re-imagined" is the most American thing I've heard in at least a couple weeks, thanks for that.