A LOADING STUDY OF THE XM-138 SELF-PROPELLED HOWITZER.
HUMAN ENGINEERING LABS ABERDEEN PROVING GROUND MD
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Tests were conducted to evaluate the human engineering aspects of both the Watervliet and U. S. Army Tank-Automotive Center ATAC versions of the XM-138 Self-Propelled Howitzer. The evaluation produced two major conclusions 1 There are differences between the two systems in terms of time to load, but the required rates of fire can be met with both. 2 Two-man team-loading is the fastest and safest loading technique. Various recommendations were made concerning safety and ease of operation of scopes. Author
- Human Factors Engineering and Man Machine Systems