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Apollo 16 time and motion studyA time and motion study is presented of astronaut lunar surface activity on Apollo 16 which consists of five distinct analyses: an evaluation of lunar mobility, a comparison of task performance in 1-g training and lunar EVA, a study of metabolic costs and adaptation, a discussion of falls, and retrieval of fallen objects. Two basic mobility patterns, the hop or canter and the traditional walking gait, were consistently utilized in longer traverses. The metabolic rates associated with these two mobility types, each used by a different astronaut, were relatively equivalent. The time to perform tasks on the lunar surface was significantly longer (on the order of 70%) than the time to perform the same tasks during the last 1-g training session. These results corroborated the findings on Apollo 15 and were not significantly different from them. There was general improvement in lunar EVA performance upon repetition of tasks. Metabolic rate (BTU/hr.) and metabolic cost (BTU) decreased over successive EVAs. Specifically, the metabolic rate associated with riding the lunar roving vehicle (LRV) decreased by approximately 18% from EVA 1 to EVA 2 and by 15% from EVA 2 to EVA 3.
Document ID
19730008098
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kubis, J. F.
(Fordham Univ. New York, NY, United States)
Elrod, J. T.
(Fordham Univ. New York, NY, United States)
Rusnak, R.
(Fordham Univ. New York, NY, United States)
Barnes, J. E.
(Fordham Univ. New York, NY, United States)
Saxon, S. C.
(Fordham Univ. New York, NY, United States)
Date Acquired
September 2, 2013
Publication Date
July 1, 1972
Subject Category
Space Sciences
Report/Patent Number
NASA-CR-128696
M72-6
Report Number: NASA-CR-128696
Report Number: M72-6
Accession Number
73N16825
Funding Number(s)
CONTRACT_GRANT: NAS9-11839
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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