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High Lead logging in Western Oregon Cable grue Larix 3T, installed on agricultural tractor. Cable logging, also referred to as skyline logging, is a logging method primarily used on the West Coast of North America with yarder, loaders, and grapple yarders, but also in Europe (Austria, Switzerland, Czech Republic, France, Italy).
The Tigercat 726 was designed to suit the Southeast United States market. [5] MacDonald Steel owner Ken MacDonald served as the initial CEO with Tony Iarocci serving as president. [3] In 1995 Tigercat opened a primary production site in Paris, Ontario. They significantly expanded the site in 2014.
A boom is "a barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage". [3] The Susquehanna Boom extended seven miles (11 km) upstream [ 4 ] from Duboistown to the village of Linden in Woodward Township where it was interrupted to create a channel across the ...
A skyline yarder can pull in 5 to 10 logs at a time, using separate chokers. The pulleys are mounted on towers or cranes, other trees, ridges, or, in rare cases, helium balloons. Satellite photograph of industrial-scale skyline logging in the Tierras Bajas project in eastern Bolivia, showing deforestation and its later associated replacement by ...
Logging is the beginning of a supply chain that provides raw material for many products societies worldwide use for housing, construction, energy, and consumer paper products. Logging systems are also used to manage forests , reduce the risk of wildfires , and restore ecosystem functions, [ 2 ] though their efficiency for these purposes has ...
Choker setters at work attaching a log to a skyline in Cowlitz County, Washington (October 1941). A choker setter or choke setter is a logger who attaches cables to logs for retrieval by skidders or skylines.
Cut-to-length logging (CTL) is a mechanized harvesting system in which trees are delimbed and cut to length directly at the stump. [1] CTL is typically a two-man, two-machine operation with a harvester felling, delimbing, and bucking trees and a forwarder transporting the logs from the felling to a landing area close to a road accessible by ...
The average unit cost of the feller buncher is $12.1/m3 while the unit cost of the harvesters is $16.5/m3. [5] The unit cost of the feller buncher is primary affected by the tree size and the tree volume. [10] The unit felling cost is lower when the tree size increased.