[ RadSafe ] UHTREX

[McNaughton, Michael]

On a related subject, Does anyone in RadSafe land know about UHTREX? I would be interested in learning more if there are any experts on this list.

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of John Ahlquist
Sent: Tuesday, February 01, 2011 6:21 PM
To: radsafe at health.phys.iit.edu
Subject: [ RadSafe ] Space Propulsion; Enriched Uranium

In the 1950s and 60s the US had Project Rover to develop nuclear rocket engines 
for deep space propulsion.  The largest reactor, Phoebus 2A [core about 4 ft 
diameter and 4 ft high], ran at 4000 MW[t].  It was fueled by HEU beads in a 
graphite matrix and cooled by liquid hydrogen.  The Project was phased out in 
the late 60s due to lack of a defined mission.
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