Earlier quoted context omitted.
The BE-4 is an impressive engine [1], at 550,000 lbs of thrust it's about 1/3 of a Saturn F1[2], and it's stage combustion lox/methane. Blue Origin is building some impressive hardware. What's interesting to me is the dichotomy between Musk and Bezos vision for humanity in the Solar System. Musk is Mars focused almost exclusively. Bezos has talked about space habitats (O'neil cylinders for example [3]) as how he thin…
>> Bezos isn't playing, he's going all in, selling $1 billion of shares a year to fund Blue Origin [4]. One way to look at this situation is Musk and Bezos competing to be king of transportation infrastructure for the Solar System. High stakes indeed. I used to wonder what could happen if the guys with billions decided to do something interesting with all their money. This is some of the most interesting stuff I've e…
Nowadays you haven't really arrived until you can afford to fund your own space program. :-)