4 ms·
Don't forget the impact of hydrogen on metals: turn everything brittle. For a company founded on reusable componentry, Hyrdogen in your turbopumps, fuel chamber
by brunoTbear 7y ago
Don't forget the impact of hydrogen on metals: turn everything brittle. For a company founded on reusable componentry, Hyrdogen in your turbopumps, fuel chambers, combustion chambers etc. is kind of a deal breaker.
- avmich 7y agoInteresting that RL-10 descendants are quite reusable. Guess they solved the embrittlement problem :) .
- black6 7y agoThe SSME (now the RS-25 engine) seems to handle the H2 just fine.
- DennisP 7y agoThey only flew each Shuttle an average of 34 times, with months of refurbishing between flights. SpaceX wants to fly each engine hundreds or even thousands of times, with turnaround less than a day.