Tests of a Portable Wood Chipper in Utilizing Logging Residues and in Disposing of BrushLake States Forest Experiment Station, U.S. Department of Agriculture, Forest Service, 1954 - Forest machinery - 37 pages |
Common terms and phrases
1/4-inch screen 12-knife machine 8-knife aspen brush Balsam fir bark chip material chip production rates chipped varied chipping wood material chips per hour cubic feet cubic foot cutting knives cylinder depreciation diameter class DISPOSING OF BRUSH dormant season feeding the machine feet of chips feet of wood feet per hour figs fixed costs Forest Experiment Station Forest Products Laboratory freshly cut green chips growing season hauled inches in diameter increased Lake States Forest Lower Michigan material exceeding modified model moisture content mulch newer model machine oak brush operational costs oven-dry weight performance tests piled and burned piled brush pine chips portable chipper tested Portable wood chippers poultry litter pounds per cubic ratio of piled red pine right-of-way S. R. Gevorkiantz samples small brush solid wood tree trimmings truck UTILIZING LOGGING RESIDUE volume of chips volume of wood wood chip production wood chip volume wood chips obtained wood material chipped