- Joined
- 31 December 2006
- Messages
- 801
- Reaction score
- 362
Appears to be similar to the so-called RAC-2 studies. 6 1.25M lbf staged-combustion RP-1 first stage, 4 x J-2X second stage.
http://hdl.handle.net/2060/20120001574
http://hdl.handle.net/2060/20120001574