TrueGrit - 1/11/2007 10:55 AMRS-68 was designed the same PWR and military standards that were used on SSME... The big difference in SSME and RS-68 development is the number of engines tested prior to first flight, not the design standards. The exceptions are in the controller design which lacks triple redundancy, no in-flight redline shutdown capability, and the main valves which lacked the SSME pneumatic backup.
Antares - 1/11/2007 11:06 AMIt's the NASA standards that EELV did not use that are the gap, not the PWR and military standards.
Propforce - 1/11/2007 4:35 PMQuoteAntares - 1/11/2007 11:06 AMIt's the NASA standards that EELV did not use that are the gap, not the PWR and military standards.Did you just say that NASA has a deisgn standard for liquid rocket engines?