== Rejse til Mars på 39 dage ==
For at kunne udføre en bemandet rejse til [[Mars (planet)|Mars]] på 39 dage,<ref>[http://ing.dk/artikel/en-million-grader-varme-ioner-kan-sende-rumskib-til-mars-pa-39-dage-100308 5. aug 2009, ing.dk: En million grader varme ioner kan sende rumskib til Mars på 39 dage]</ref><ref>Video: "[https://www.youtube.com/watch?v=-nyepvfuHho Mars in 39 Days?: the VASIMR Plasma Engine. Franklin Chang-Diaz, Ph.D.]"</ref><ref>Video: "[https://www.youtube.com/watch?v=sEFw9poek2Y Nasa - People travel to Mars in 39 days, Very Cool Technology]"</ref><ref>Video: "[https://www.youtube.com/watch?v=B2YFIJi0CO8 39 Days to Mars]"</ref> 
skal VASIMR-motoren bruge så meget energi per tid, at kun [[kernekraft]] kan dække behovet<ref>David Buden, [http://www.amazon.com/gp/product/0974144347 ''Space Nuclear Fission Electric Power System: Book 3: Space Nuclear Propulsion and Power'']</ref> på cirka 200.000 [[kilowatt]] (200 [[megawatt]]) og reaktoren skal have en effekttæthed på 1.000 [[watt]] per [[kilogram]] ([[Franklin Chang Díaz|Díaz]])<ref>Video: [https://www.youtube.com/watch?v=myYs4DCCZts#t=870s ''VASIMR Debate/The VASIMR Hoax - Dr. Robert Zubrin - 14th International Mars Society Convention'', Time Index 14:30]</ref><ref>More Discussion: [http://forum.nasaspaceflight.com/index.php?topic=21998 NASA Spaceflight Forum: ''Topic: Vasimr: A true game changer? Role of Vasimir in future programs'']</ref> Denne reaktor skal være temmelig effektiv.<ref>Phys.org, Jul 16, 2013: ''[http://phys.org/news/2013-07-thermocell-harvest.html New thermocell could harvest waste heat]''</ref>
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