The significance of sweep in Appalachian hardwood sawlogs

Thomas W. Jr. Church

Treesearch

The significance of sweep in Appalachian hardwood sawlogs

Informally Refereed

Authors:

Thomas W., Jr. Church

Year:

1973

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NE-172. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.

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Abstract

Sweep is one of the major stem-form defects in hardwood sawtimber. Some sweep is removed during bucking. But we found sweep of 2 inches or more on 17 percent of the 4,510 logs measured at Appalachian sawmills. Volume deductions for sweep scaled at least 10 percent in 1 of every 7 sample logs and at least 15 percent in 1 of every 9 sample logs. Reduction in the severity of sweep might be obtained by applying the simple rules outlined for buckers.

Citation

Church, Thomas W., Jr. 1973. The significance of sweep in Appalachian hardwood sawlogs. Research Note NE-172. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.