Two Madill 044 yarding cranes were monitored over a three-week period in 1989 in a Coastal British Columbia stand where chokers were used for yarding mechanically felled and bunched second-growth timber. Productivity, costs, and profitability of the choker system were determined and compared to using grapple systems on the same yarding cranes.
MacDonald, A.J.. 1990. Bunch Yarding with Radio-controlled Chokers in Coastal British Columbia Second-Growth Timber. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. FRDA Research Report. FRR108
Topic: FLNRORD Research Program
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