New method enabled Hawaiian Electric Co to do job in 4 hr that would have required three weeks by ground crews; helicopter laid 2000 ft of regular 1/4-in. steel pulling-in cable on its first trial; helicopter took end of reeled cable and flew along tops of 60-ft steel towers, letting cable fall at base of towers; it took only 3 min. (See also Elec West v 104 n 4 Apr 1950 p 64-5)
Helicopter wire stringing
Elec World
Electrical World ; 133 , n 15
1950
2 pages
Article (Journal)
English
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