A reader notes some Tweeter postings by John Carmack: /– “Closed myself in a 1600 gallon tank for an hour. CO2 rose to 3430 ppm, humidity rose to 71%. No discomfort.” /– “The test was a baseline for suborbital capsules. I prefer lots of volume over active systems. ” /– “For a nominal flight of 15 min, it isn’t hard to have margin in a passive system. Active systems can add fatal failure modes.”
Yesterday, Ben Brocket announced a contest for a tank test they had planned for today:
> (1/2) Tomorrow we burst the first 48″ tank. Guess burst pressure, win Armadillo shirt sz XL and patch. Guesses to wikkit [at] gmail.com, in PSIG.