Oleg Zabluda's blog
Friday, October 13, 2017
 
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The X3 thruster, which was designed by researchers at the University of Michigan in cooperation with NASA and the U.S. Air Force [...] In the recent demonstration conducted at NASA's Glenn Research Center in Ohio, the X3 broke records for the maximum power output, thrust and operating current achieved by a Hall thruster to date, [...] It operated at a huge range of power from 5 kW to 102 kW, with electrical current of up to 260 amperes. It generated 5.4 Newtons of thrust, which is the highest level of thrust achieved by any plasma thruster to date [...] The previous record was 3.3 Newtons
[...]
for human exploration [we need] 500,000 watts (500 kW), or even a million watts [...] by making the thruster bigger [...] instead of having one channel of plasma, where the plasma generated is exhausted from the thruster and produces thrust, we would have multiple channels in the same thruster. We call it a nested channel." [...] using three channels allowed the engineers to make X3 much smaller and more compact
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https://www.space.com/38444-mars-thruster-design-breaks-records.html
http://www.space.com/38444-mars-thruster-design-breaks-records.html

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