Re: SSME vs. J2 / RS-68



landings.geo@xxxxxxxxx wrote in news:1142881613.974014.61450
@g10g2000cwb.googlegroups.com:

http://tinyurl.com/omhpx

Is there any way to increase the RS-68's ISP? I've seen
mention of a regeneratively cooled nozzle, and perhaps a
modest increase in chamber pressure.

--Damon
.