Abstract
ABSTRACT THREE Albright Model 36 felling saws and three dif-ferent rubber-tired carriers were evaluated over a range of stand and terrain conditions in the southeastern United States. The Albright felling saw is a hydraulic-ally-driven saw chain attachment mounted on the front of a carrier for directional felling of saw timber. The ob-jective of the study was to determine the productivity rate of this type of felling saw. Average felling time was 1.124 min per tree. Average element times for a production cy-cle was 0.410 min for movetime between trees and 0.714 min for positioning and sawing a tree. Prediction equa-tions were developed for these elements.
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