In article ,
Robert Casey wrote:
How bad a landing could the LM take and still have a flyable
ascent stage? Say the legs got busted up so forget about the
moon walks.

If you were willing to make an emergency departure, leaving at once, I
believe there is basically nothing in the descent stage that has to be
working after touchdown. (To a considerable extent this is by design:
the ascent stage is the backup for various kinds of descent-stage
failures.) About the only real requirement is that the LM not be
tilted too badly.
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"Think outside the box -- the box isn't our friend." | Henry Spencer
-- George Herbert |