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The winch or grapple holds the trees while the skidder drags them to a landing area. Cable skidders are more labor-intensive than grapple skidders because someone (the operator or a second person) must drag the winch line out to the logs and hook them up manually. Nowadays, cable skidders are less popular than in the past.
Washington Winch. Washington Iron Works was a company in Seattle, Washington, founded by John M. Frink, that built these steam skidders.The company was active from 1882 until the 1980s when its various divisions – manufacturing cranes, logging equipment, and presses – were gradually sold off.
The "high lead" feature is added by elevating both lines near the winch or 'head' end. This is accomplished by running the lines through a block called the "head block" because it is on the head end of the project. Early on, it was customary to trim and top a tree making it into a 'spar pole' or 'spar tree' for the purpose of supporting the ...
For a distance of 200 m, these figures fall to 12, 18 and 12 respectively. On easier terrain, the fardier (or trinqueballe; a horse-drawn machine with 2 braked wheels, a drawbar and a winch) enables 2 or 3 horses to lift and pull logs weighing up to 5,000 kg (3 to 4m 3). [5] Skidding with a flatbed wagon and large wheels, Michigan, circa 1915.
In common usage, however, the term may cover a range of forestry or silviculture activities. 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.
A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications. Steam-powered donkeys were commonly found on large metal-hulled multi-masted cargo vessels in the later decades of the Age of Sail on through the Age of Steam, particularly heavily sailed skeleton-crewed ...
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