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by alynn 2168 days ago
If you want to compare with the manual process for crossing obstacles, here’s a little buggy with a gasoline motor, with the lineman hoisting it past an insulator with the help of a pulley, starting around 6:20:

https://www.youtube.com/watch?v=rtbtlgAGRaA

Also related, videos of people walking on the cables after being dropped off by a helicopter onto the live lines:

https://www.youtube.com/watch?v=9tzga6qAaBA

A youtube search for 'helicopter lineman' turns up a lot of other material in this vein.