At New Mexico potash mine, it was found that real advantages of a-c shuttle cars are realized when they are used in conjunction with other a-c mining equipment and power needs are reduced to one easily handled source; shuttle cars use 3-conductor, single-ground flat cable 600 ft long; experience indicates that this cable has about 3 times expected lift of Type G round cable; mine power center feeds 2 shuttle cars and 2 "safety circuit centers" located near face.
Use of A-C shuttle cars at Carlsbad
Min Congress J
Mining Congress Journal ; 48 , n 5
1962
2 pages
Article (Journal)
English
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