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Apollo 15 time and motion studyA time and motion study of Apollo 15 lunar surface activity led to examination of four distinct areas of crewmen activity. These areas are: an analysis of lunar mobility, a comparative analysis of tasks performed in 1-g training and lunar EVA, an analysis of the metabolic cost of two activities that are performed in several EVAs, and a fall/near-fall analysis. An analysis of mobility showed that the crewmen used three basic mobility patterns (modified walk, hop, side step) while on the lunar surface. These mobility patterns were utilized as adaptive modes to compensate for the uneven terrain and varied soil conditions that the crewmen encountered. A comparison of the time required to perform tasks at the final 1-g lunar EVA training sessions and the time required to perform the same task on the lunar surface indicates that, in almost all cases, it took significantly more time (on the order of 40%) to perform tasks on the moon. This increased time was observed even after extraneous factors (e.g., hardware difficulties) were factored out.
Document ID
19730008096
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)
Date Acquired
September 2, 2013
Publication Date
January 1, 1972
Publication Information
Publisher: NASA
Subject Category
Space Sciences
Report/Patent Number
NASA-CR-128695
M72-4
Accession Number
73N16823
Funding Number(s)
CONTRACT_GRANT: NAS9-11839
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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