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J. Theler
Dffie@ of Rivel Researcn
_ # > Washington 25, L. ¢,
4 GG
BEST COPY AVAILABLE
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i.)Pear Dr. Thaler:
a
SUMILGT:
xeturn to UCR
LOKI Phase { Boosters
179 Bldg. 5048 you will recall, lest Jarcary throucn your kind efforts we were able te
obtein the lean of 250 LOKI rocket motora,
Attached 16 @ copy of my January 3,
letter and January 23, 1955 letter to you slong with « copy of eval authority
approving tiuis loan.
These loan arrangements were mace at tue time based on the tnen current best
scientific apcreisal of recutrements.
in practice, it was voroven that the
LOKI booster units were inadequate to provide the necessary second or toird
Stage fer the sarticul:te air sespling rocket sycten,
Mr. Harvey of Cooper Development Corseraticn has edvised that twenty LOET
moteré were expended in ¢vasitility testing. «aecordingly, Cooper will return
enused LOKI units woich were witadrawn gcaingt the loan autaority of 250 units.
Thies then leaves us with an obligation of feplacine twanty LOKI units.
_
Frenkly, the tecunical complexity of tue overall research and development pre~
gram, to produce a rocket syétem cupsble of particulate air sampling at high
altitudes, proved to be extremely more difficult and costly than wes anticipated.
We are, toerefore, faced with tae orcblem of corrleting the vregram within
the originally a: thorized amount of funds.
My purpose in writing 1a to inform you of the status of LOKT'a used and te
request your consiceretion in waiving the requirement that the twenty LOKI's
which were utilised in reasearch be replaced in kind. If you could find a
moans to write these off as test units, it would significantly enhance our
possibility of completiny the work within availeble funds, Cooper cenld, if
desired, aubmit e report of their research findings on the attempted sprlicetion
of LORI units to our sarticular oreblem.
Thank you arain fer your helr and ecnaideration om this problem ef autual
interest,
Very truly yours,
x
GC. L. Blive
CLB: oh
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9, B. Reynslds ~~
G. EB. Harvey
H. BE. Ratzel,
Assistant Business Manager
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