<div dir="ltr">Let's just hope support doesn't wane after the election.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Oct 1, 2020 at 2:44 AM BillK via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">US military eyes nuclear thermal rocket for missions in Earth-moon space<br>
By Mike Wall 30 Sep 2020<br>
<br>
DARPA awarded a $14 million task order to help make it happen.<br>
<<a href="https://www.space.com/darpa-nuclear-thermal-rocket-for-moon-contract" rel="noreferrer" target="_blank">https://www.space.com/darpa-nuclear-thermal-rocket-for-moon-contract</a>><br>
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Quote:<br>
NTP systems use fission reactors to heat propellants such as hydrogen<br>
to extreme temperatures, then eject the gas through nozzles to create<br>
thrust. This tech boasts a thrust-to-weight ratio about 10,000 times<br>
higher than that of electric propulsion systems and a specific<br>
impulse, or propellant efficiency, two to five times that of<br>
traditional chemical rockets, DARPA officials wrote in a description<br>
of the DRACO program.<br>
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<br>
NASA is enthusiastic as well as they need something better than<br>
chemical rockets for space travel.<br>
<br>
BillK<br>
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</blockquote></div>