Hybrid small fission reactor pressurized Argon/Helium (or Xenon)capsule as ion powered stage; a NASA 2015 SBIR proposal based on this link, https://yellowdragonblog.com/2014/01/19/dragon-powerplant-small-fission-reactor-pressurized-vessel-hybrid-power-system/ and this link hypothesis , The SpaceX Dragon capsule pressure vessel with a known volume must have a known surface area, with a known volume surface area and a known  M2 we can compute … Continue reading Hybrid small fission reactor pressurized Xenon capsule as ion powered NEP stage; a NASA 2015 SBIR proposal