On Sep 19, 9:17 am, Robert Clark <rgregorycl...@yahoo.com> wrote: On Sep 10, 9:11 pm, Robert Clark <rgregorycl...@yahoo.com> wrote: On Sep 6, 7:26 am, Robert Clark <rgregorycl...@yahoo.com> wrote: On Aug 19, 12:21 pm, BretCah...@peoplepc.com wrote: Hoop stresses of a tube under pressure increase with the diameter but volume increases with the
On Sep 10, 9:11 pm, Robert Clark <rgregorycl...@yahoo.com> wrote: On Sep 6, 7:26 am, Robert Clark <rgregorycl...@yahoo.com> wrote: On Aug 19, 12:21 pm, BretCah...@peoplepc.com wrote: Hoop stresses of a tube under pressure increase with the diameter but volume increases with the square of diameter. High volume/weight pressurised gas storage would
On Sep 6, 7:26 am, Robert Clark <rgregorycl...@yahoo.com> wrote: On Aug 19, 12:21 pm, BretCah...@peoplepc.com wrote: Hoop stresses of a tube under pressure increase with the diameter but volume increases with the square of diameter. High volume/weight pressurised gas storage would, therefore, favor a bigger cylinder. At the 1e-21 barvacuumof our Selene/moon L1
On Sep 7, 2:59 pm, Robert Clark <rgregorycl...@yahoo.com> wrote: On Sep 7, 10:56 am, charliexmur...@yahoo.com wrote: On Jul 29, 12:59 pm, Robert Clark <rgregorycl...@yahoo.com> wrote: You could store it as high density gas. Bob Clark The hydrogen would be too low of density to be of use for launch vehicles. It has to be liquiefied. Do your research
On Sep 7, 10:56 am, charliexmur...@yahoo.com wrote: On Jul 29, 12:59 pm, Robert Clark <rgregorycl...@yahoo.com> wrote: You could store it as high density gas. Bob Clark The hydrogen would be too low of density to be of use for launch vehicles. It has to be liquiefied. Do your research. On Sep 7, 10:24 am, Robert Clark <rgregorycl...@yahoo.com> wrote: I'm