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  2. Choker setter - Wikipedia

    en.wikipedia.org/wiki/Choker_setter

    A choker setter or choke setter is a logger who attaches cables to logs for retrieval by skidders or skylines. [ 1 ] [ 2 ] The work process involves the choker setter wrapping a special cable end (choker) around a log and then moving clear so the yarding engineer (e.g. skidder operator) can pull the log to a central area.

  3. Swing yarder - Wikipedia

    en.wikipedia.org/wiki/Swing_yarder

    A swing yarder is a mobile piece of heavy duty forestry equipment used for pulling logs from the woods to a logging road with cables. The swing yarder is also known as a grapple yarder. In any logging operation, it is necessary to transport the harvested tree from the stump to a landing for transport to market (usually on a truck). If the ...

  4. Oscar Wirkkala - Wikipedia

    en.wikipedia.org/wiki/Oscar_Wirkkala

    Wirkkala invented and developed the high lead method of logging.This skyline (or "spar") method, ideally suited for steep terrain, revolutionized the industry. He also invented important pieces of that industry's machinery used during the first half of the 20th century, including the ubiquitous choker hook.

  5. Skyline logging - Wikipedia

    en.wikipedia.org/wiki/Skyline_logging

    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 ...

  6. Cant hook - Wikipedia

    en.wikipedia.org/wiki/Cant_hook

    A log driver using a peavey. A cant hook, pike, or hooked pike is a traditional logging tool consisting of a wooden lever handle with a movable metal hook called a dog at one end, used for handling and turning logs and cants, especially in sawmills. A cant hook has a blunt end, or possibly small teeth for friction.

  7. Hume-Bennett Lumber Company - Wikipedia

    en.wikipedia.org/wiki/Hume-Bennett_Lumber_Company

    [12] [32] In 1915, George Hume purchased a third Shay engine and more log cars and yarding engines, expanding the company's logging equipment to include 70 railroad cars, three locomotives, 12 steam donkeys, one McGiffert loader, and one railroad crane. The company hired 1,500 men for the 1916 season, preparing for one of its heaviest cuts on ...

  8. Choker (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Choker_(disambiguation)

    A choker is a close-fitting necklace, worn high on the neck. Choker or Chokers may also refer to: Choker, a 2005 American film written and directed by Nick Vallelonga; Choker Campbell (1916–1993), American musician "Choker" (song), a song by Twenty One Pilots from Scaled and Icy, 2021; Choker, a cable end used in logging (see choke setter)

  9. Log boom - Wikipedia

    en.wikipedia.org/wiki/Log_boom

    Log boom on St. Croix River in Maine, aerial photo taken in 1973 Timber marks on a log building in Sweden where they are called flottningsmärke. A log boom (sometimes called a log fence or log bag) is a barrier placed in a river, designed to collect and or contain floating logs timbered from nearby forests. The term is also used as a place ...