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Time study and skidding capacity of the wheeled skidder Timberjack 450C in Caspian forests

Author

Listed:
  • F. K. Behjou

    (Faculty of Natural Resources, University of Tehran, Tehran, Iran)

  • B. Majnounian

    (Faculty of Natural Resources, University of Tehran, Tehran, Iran)

  • M. Namiranian

    (Faculty of Natural Resources, University of Tehran, Tehran, Iran)

  • J. Dvořák

    (Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

This study was carried out in a steep and difficult terrain. Trees were logged downhill to the landing by a wheeled skidder Timberjack 450C. Selection cutting was performed on a 66-hectare tract with an average slope of 30%. The elemental time study method was applied to develop the skidding time predicting model. In this study 43 working cycles were included. The skidding cycle time was mainly affected by skidding distance, winching distance and interaction between skidding distance and slope. The gross and net production rate was 20.51 and 22.93 m3/h, respectively. The unit cost considering the gross and net production rate was 6.31 and 6.22 USD/m3, respectively.

Suggested Citation

  • F. K. Behjou & B. Majnounian & M. Namiranian & J. Dvořák, 2008. "Time study and skidding capacity of the wheeled skidder Timberjack 450C in Caspian forests," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 54(4), pages 183-188.
    • Handle: RePEc:caa:jnljfs:v:54:y:2008:i:4:id:5-2008-jfs
    DOI: 10.17221/5/2008-JFS
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    Citations

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    Cited by:

    1. N. Gilanipoor & A. Najafi & S.M. Heshmat Alvaezin, 2012. "Productivity and cost of farm tractor skidding," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 58(1), pages 21-26.
    2. Stanimir Stoilov & Pavel Nichev & Georgi Angelov & Marina Chavenetidou & Petros A. Tsioras, 2023. "Optimizing Forest Harvesting Efficiency: A Comparative Analysis of Small-Sized Logging Crews Using Cable-Grapple Skidders," Sustainability, MDPI, vol. 15(24), pages 1-16, December.
    3. M. Lotfalian & S. Khosrozadeh & S.A. Hosseini & M. Kazemi & N. Zare, 2016. "Determination of forest skid trail density in Caspian forests, Iran," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 62(2), pages 80-87.
    4. F. K. Behjou & B. Majnounian & J. Dvořák & M. Namiranian & A. Saeed & J. Feghhi, 2009. "Productivity and cost of manual felling with a chainsaw in Caspian forests," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 55(2), pages 96-100.

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