Random Musings from the Warped Minds of Jonathan Goff, Ken Murphy, John Hare, and Kirk Sorensen
Posted in Uncategorized on Oct 4th, 2009
guest blogger john hare With the information from Bob Steinke, I was able to prove to myself that the retro station concept wouldn’t work for Mars return even with two Lunar passes and one Earth pass. It may still be of interest to some NEO return missions that are really tight on the mass budget. [...]
Posted in Uncategorized on Oct 3rd, 2009
guest blogger john hare My methods of getting a quick check on feasibility of of a concept generally consist of finding something simple enough for me to figure quickly. Sometimes without even a calculator. Since it never occurred to me that you couldn’t turn 180 degrees with a gravity turn at high velocity until Doug [...]