Skyline logging

Skyline logging

In skyline logging (or "skyline yarding"), logs are transported on a suspended steel cable from where the trees are felled to a central area, which is typically next to a road. Logs are attached to the suspended cable by means of choker cables and carriages. A skyline yarder can pull in 5 to 10 logs (on separate chokers) at a time. The suspended cable is a loop that wraps around a pulley at each end; one of the pulleys is the drive pulley. The pulleys are mounted on towers or cranes or, in rare cases, helium balloons.

ee also

*Cable Logging

ources and external links

* [http://www.forest.sabah.gov.my/eeu/web%20proper/Student%20Zone/Level%202/SFM/SKYLINE1.HTM Skyline Logging]
* [http://www.timberlinemag.com/articledatabase/view.asp?articleID=387 Riding High: Skyline Logger Committed to Conservation]
* [http://www.patentdigi.com/hopper_mechanical_seed_planters/skyline_logging_carriage.html Skyline logging carriage]


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