Cut-to-length logging trial with pine in Tasmania
The results showed that the feller buncher achieved productivity of 122 m3 per productive machine hour (PMH), the processor 62 m3 per PMH and the forwarder 80.9 m3 per PMH (average extraction distance of 134 m). Graphs display the result of tree size on the productivity of the feller buncher and processor, and the effect of extraction distance, log size and slope on the forwarder.
An interesting result was the large difference in productivity between the two processor operators when processing trees greater than approximately 1.5 m3.
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