Development of the Swathe-Felling Mobile Chipper
A harvesting machine and auxiliary equipment are being developed to recover logging residues as chips for fuel and fiber, and to deliver these chips to mills at about $18 per green ton including 30 percent pre-tax profit on the equipment investment. The harvester, a 575-horsepower tracked mobile chipper equipped with a front-mounted felling bar, was field-tested on red alder stands (Alnus rubra Bong.) north of Seattle, Washington, during July and August 1979. On the basis of these preliminary tests, the institutions and companies cooperating in the development have scheduled extensive southern field trials for 1980. If the machine meets its performance goals, it could harvest 30,000 tons of green cull wood from about 1,500 acres annually.
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Document Type: Journal Article
Affiliations: Project Engineer, Nicholson Manufacturing Company, Seattle, Washington
Publication date: 1980-01-01
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