/sci/ - Science & Math

BE-4 engine hotfire under a star-studded west Texas sky

>BE-4 tested at 102% .
>Thousands of seconds of test time on the engine so far .
>Tests at Marshall next year .

Brett Alexander, Vice President, Blue Origin, about methane:

>We haven't found any significant issues in all the testing we've done , thousands of ignitions, thousands of seconds of testing , there are benefits in term of no soot , autogenous pressurization

>BE4 is designed for 100 missions ,that means 200 starts , because the engine restarts on the way down , we are building in a lot of margin