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75
PRECEOING P;_3E BLM_7( NOT F!L_._D
LUNAR 3He, FUSION PROPULSION,
AND SPACE DEVELOPMENT
N93-17424
John E Santarius
Fusion Technology Institute
University of Wl_conan
1500Johnson Drive
Madison W153 706-1687
The recent identification of a substantial lunar resource of the fusion energy fuel 3He may prot_le
tbe first terrestrial market for a lunar commodi(y ana_ therefore, a major impetus to lunar development.
The impact of this resource--when burned in DLJHefusion reactors for space pou_r and _n--
may be even more significant as an enabling technology for safe, efficient _loration and development
of space. One poss_le reactor configuration among several options, the tandem _ illustrates the
potential advantages of fusion pmpu_on. The most important advantage is the ability to provide either
fast, piloted vessels or bigbtXryloa_fraction cargo vessels due to a range of specific impulses from 50 sec
to 1,000,000 sec at thrust.t_waght ratios from O.1 to 5 × I0 -_. Fusion pou_or research has made steady,
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