#405 – Jeff Bezos: Amazon and Blue Origin

2315.883 - 2348.261 Jeff Bezos

So really tiny turbo pumps are very challenging to manufacture. And any kind of gaps between the housing, for example, and the rotating impeller that pressurizes the fuel, there has to be some gap there. You can't have those parts scraping against one another. And those gaps drive inefficiencies. And so if you have a very large turbopump, those gaps in percentage terms end up being very small.