Jeff Findley wrote:
True, and that's not the only disadvantage. The notional designs for
landers with both landing engines on the bottom and engines at the back
introduce more failure modes which could trigger an abort.


Note the two engines mounted under the central backframe just ahead of
the payload, their use is never explained in the presentation.
But, guess what? The Space 1999 Eagle also has two engines up the
http://www.space1999.net/catacombs/m...w2meagle1.html

Pat

Pat