But in reality, dramatic results don’t necessarily require sticker shock. We’ve covered cheap DIY star trackers before on Hackaday, but this design posted on Thingiverse by [Tinfoil ...
Starship sports six 3D-printed Raptor engines, giving it 5,550 kN of thrust. Three of the engines are designed for sea-level use, and the other three are for use in a vacuum. They use subcooled ...