I'd actually been thinking in terms of rations, oxygen/CO2 management and waste up in the station... but that is another good point.
Starting to make the classic helicopter debut look a lot better, lol.
Fun little reading that kind of applies:
http://www.collectspace.com/ubb/Forum29/HTML/001160.htmlForum post asking about weight limitations for the apollo missions. Specifically how much moon rock they were allowed to bring back.
Interesting article on a short story and reactions to it on engineering vs physics:
https://en.wikipedia.org/wiki/The_Cold_EquationsUnfortunately that was the best I can seem to manage with google.
