1977-02-01

Running Skyline Systems for Harvesting Timber on Steep Terrain 770519

Modern running skyline systems best meet current requirements for logging on steep terrain. These requirements can be stated as the need to economically harvest timber over extended distances on a variety of terrain conditions in an environmentally acceptable manner. Three different methods of tensioning the running lines are used by the manufacturers of running skyline yarders. These include a non-interlocking method and two interlocking methods. The best control and efficiency are obtained with a hydraulically controlled differential drive.

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