spacex - Why will Starlink satellites use krypton instead of xenon …
To adjust position on orbit, maintain intended altitude, and deorbit, Starlink satellites feature Hall thrusters powered by krypton. (emphasis added) Most of the electric propulsion systems that …
Does Krypton or Xenon produce more thrust in a Hall-effect …
Dec 21, 2022 · Krypton and xenon have roughly the same charge in plasma thrusters (a bit more than the elemental charge) but the mass of xenon is much higher. Thus, for the same …
What performance specification would be lower for Krypton than …
May 18, 2019 · Confirming higher power is required for the same thrust efficiency for krypton than for xenon. Erosion rate might be a secondary specification that is worse (faster) for krypton …
How much krypton is stored on a Starlink satellite?
Aug 20, 2020 · How much krypton (fuel) is there for the krypton-powered ion thrusters on Starlink satellites and how long does it last?
physics - Why might krypton have a lower utilization fraction than ...
May 31, 2020 · A comment below Why will Starlink satellites use krypton instead of xenon for electric propulsion? links to the 2011 preprint A Performance Comparison of Xenon and …
How much krypton do Starlink satellites carry when they are
Nov 27, 2020 · Starlink satellites use krypton as propellant. This answer roughly estimates 2.3 kg of Krypton based on a total delta-V of 190 m/s and an exhaust velocity of 20,000 m/s. But how …
What are the tradeoffs in propellant choices for ion/electric based ...
Jul 9, 2024 · I'm under the vague impression that ion engines can use most things for propellant. What are the trade offs that influence selection, with an eye specifically towards oxygen? …
How much does it cost to fill an ion thuster with Xenon for a ...
Apr 9, 2015 · Ion engines are touted as a great source of propulsion for high deltaV missions that can afford an ample power supply and need low thrust maneuvers; and they are great. But I'd …
Who built Starlink's electric propulsion systems?
Oct 24, 2019 · Wondering who actually built the Starlink propulsion systems? Did SpaceX develop this technology in-house, outsource or acquire a company that had the IP and bring this back …
ion thruster - Space Exploration Stack Exchange
Apr 13, 2020 · This suggests that if you used 4 He + or 1 H + in an ion thruster or engine you could get about 5.7 or even 11.5 times more Isp compared to using 131 Xe + ions. Xenon and …