Feasibility of Isotopic Power for Manned Lunar Missions. Volume 1. Summary. Page: 19 of 61
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(1) High power density and minimum fuel weight.
(2) Low radiation values resulting in minimum shielding re-
(3) High melting point fuel form (GdPo) with proven container
Minimum safety problems as related to manned space mis-
(5) Current R&D programs, sponsored by the AEC, are adding
to the state of the art.
(6) Established production technology.
Volume 2 includes a detailed discussion on criteria for fuel selection,
current and planned production of isotopes, fuel properties, power cycle
fuel requirements and evaluation and the technology of polonium as
related to its properties, production and processing.
Critical examination of the data presented in Volume 2 clearly
indicates that Po-210 is the only fuel that can be made in sufficient
quantities to satisfy the Apollo mission thermal requirements, schedule,
and radiation levels. Strontium-90, Cs-137 and Ce-144 require pro-
hibitive shielding weights. Promethiumr147, Pu-238, Cm-242 and
Cm-244 will not be available in sufficient quantity to meet the schedule
requirements. Polonium-210, on the other hand, meets all of the fuel
'requirements of the mission.
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Feasibility of Isotopic Power for Manned Lunar Missions. Volume 1. Summary., report, January 1, 1964; Baltimore, Maryland. (https://digital.library.unt.edu/ark:/67531/metadc1032333/m1/19/: accessed May 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.