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| Keywords: Ion engine.svg DS1 Ion Engine Diagram Caption from the source webpage <blockquote>The ion propulsion system IPS provided by NSTAR NASA SEP Technology Application Readiness uses a hollow cathode to produce electrons to collisionally ionize xenon The Xe+ is electrostatically accelerated through a potential of up to 1280 V and emitted from the 30-cm thruster through a molybdenum grid A separate electron beam is emitted to produce a neutral plasma beam The power processing unit PPU of the IPS can accept as much as 2 5 kW corresponding to a peak thruster operating power of 2 3 kW and a thrust of 92 mN Throttling is achieved by balancing thruster and Xe feed system parameters at lower power levels and at the lowest thruster power 500 W the thrust is 20 mN The specific impulse decreases from 3100 s at high power to 1900 s at the minimum throttle level </blockquote> Retrieved from http //www nasa gov/centers/glenn/about/history/ipsworks html NASA - DS1 How the Ion Engine Works by NASA Glenn Research Center on 2006-07-24 <br /> Link is broken what about this one http //www nasa gov/centers/glenn/technology/Ion_Propulsion1 html Vectorized by Chabacano original retrieved on 2006-07-24 Vectorization 15 Apr 2007 Vectorization Chabacano PD-USGov-NASA Original Ion propulsion Created with Inkscape SVG spaceflight | ||||
