Some performance characteristics of disc gangs |
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| Institution: | 1. Department of Renewable Resources, University of Alberta, 442 Earth Science Building, Edmonton, Alberta, Canada T6G 2E3;2. Department of Agricultural, Food and Nutritional Science, University of Alberta, Agriculture/Forestry Centre, Edmonton, Alberta, Canada;1. National Agricultural Research Institute of Tunisia, Carthage University, Agronomy Lab, Hédi Karray Street, Ariana 2049, Tunisia;2. IRD, UMR LISAH, Laboratoire d''étude des Interactions Sol-Agrosystème-Hydrosystème, 2 place Viala, Montpellier 34060, France;3. Institut Agronomique & Vétérinaire Hassan II, Madinat Al Irfane, Rabat, Morocco;4. National Institute for Research in Rural Engineering, Water and Forestry of Tunisia, Carthage University, Hédi Karray Street, Ariana 2049, Tunisia;5. AgroParisTech, UMR LISAH, Laboratoire d''étude des Interactions Sol-Agrosystème-Hydrosystème, 2 place Viala, Montpellier 34060, France;6. INRA, UMR LISAH, Laboratoire d''étude des Interactions Sol-Agrosystème-Hydrosystème, 2 place Viala, Montpellier 34060, France |
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| Abstract: | The effect of number of discs in a gang on soil reaction forces was evaluated for gangs containing one to five discs. The performance of two different disc shapes was investigated, each at two operating angles. The angles and shapes were chosen to represent a wide range of operating parameters. Interaction was found to occur between discs; however, the interaction was not a function of the number of discs. The magnitude of the interaction was such that large errors would occur if gang draught force was calculated from single disc data only. |
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