. Economics and design of a radio-controlled skyline yarding system. Logging, Skyline. 2,000 2,500 3,000 3,500 SLOPE DISTANCE ( FEET ) Figure haulback time. T, = + , + + ,. MINUTES I. I I I I I I I 0 50 100 150 200 250 300 DISTANCE ( FEET ) ( Plotted as real numbers ) Figure 31.—Time to pull skidding line laterally from skyline (3-man crew). Log T2 (in tenths of minute) = + Dj. 22. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and app
. Economics and design of a radio-controlled skyline yarding system. Logging, Skyline. 2,000 2,500 3,000 3,500 SLOPE DISTANCE ( FEET ) Figure haulback time. T, = + , + + ,. MINUTES I. I I I I I I I 0 50 100 150 200 250 300 DISTANCE ( FEET ) ( Plotted as real numbers ) Figure 31.—Time to pull skidding line laterally from skyline (3-man crew). Log T2 (in tenths of minute) = + Dj. 22. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Binkley, Virgil Wayne; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ). Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture
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