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Development of the Swathe-Felling Mobile Chipper

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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.

Document Type: Journal Article

Affiliations: Project Engineer, Nicholson Manufacturing Company, Seattle, Washington

Publication date: 1980-01-01

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

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