RE>> a several hundred pound person travelling at a few feet a second is about as Man your off base, I don't care if he weighs 400 lbs, ( on earth) out in space he is weightless. --- RE >> . In addition you obviously have not tried to test and run highly complex systems. That is a "ad hominem" an asinine one too, being you don't know crap about me. A licensed Master on his 5th issue 5yrs per issue, and it takes 10years experience to get the first one. --- While I haven't had crap to do with space travel, I can extrapolate a good deal from what I have done. I have wrote programs from scratch to handle the Stability and Trim calculations of Oil and Chemical loading of large tankers, This includes calculating the righting arm and bending moments, of a particular ship, to any type of load. & I doubt you have any idea of what goes into that. I've also wrote navigation programs from scratch, 30 years ago , for no other reason than to just to be sure I could. While I'm mostly retired now, some of my cargo programs are still in use. I'm not posting this for your benefit, in as much as it appears you would need a proctologist to find your brain. Jim |