**** Elon Says (transcripts)
http://****elonsays.com/transcript

There are some interesting nuggets of information in the September 29
2013 transcript.

Jeff
--
"the perennial claim that hypersonic airbreathing propulsion would
magically make space launch cheaper is nonsense -- LOX is much cheaper
than advanced airbreathing engines, and so are the tanks to put it in
and the extra thrust to carry it." - Henry Spencer