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Tandem-rotor helicopter lifting a log Helicopter pruning. Heli-logging, or helicopter logging, is a method of logging that uses helicopters to remove cut trees from forests by lifting them on cables attached to a helicopter. [1]
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.
Category: Forestry equipment. 12 languages. ... Washington Winch; Woodchipper; Y. Yarder This page was last edited on 17 August 2016, at 16:28 ...
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 ...
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 ...
Ponsse Plc (Finnish: Ponsse Oyj) [2] is a company domiciled in Finland that manufactures and markets a range of forestry vehicles and machinery such as forwarders and harvesters. The Ponsse company was established by the forest machine entrepreneur Einari Vidgrén in 1970. Today, Ponsse's machines are used at logging sites in approximately 40 ...
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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.
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