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Tyne design and deep ripping efficiency: GRDC – SA (Webpage)

This Grains Research and Development Corporation (GRDC) webpage summarises findings from the factsheet, Tyne design and deep ripping efficiency  [PDF 2.7 MB, 16 pages]. It shows how ripper tyne design and settings affect energy use and soil loosening in Mallee sandy soils of southern Australia. Trials compared 5 narrow‑shank tynes (with and without wings) and 5 delving/mixing tynes, measuring draft force, soil loosened area and efficiency. Adding wings to narrow‑shank tynes notably increased the loosened area per pull. Deeper ripping and faster speeds raised draft and lowered efficiency, while delving/mixing tynes offered greater loosening capacity for similar draft levels. While this research was conducted in the South Australian Mallee, it may also apply in other regions with similar conditions. #

Contents:
Introduction
Deep ripping performance parameters
Impact of operating depth and speed on draft
Impact of tyne design on relative draft
Loosening efficiency considerations
Impact of adding wings to narrow shank tynes
Impact of soil moisture conditions
Conclusion
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  • Audience: RSP, tertiary students, landholders, SFSG, consultants
  • State: SA, VIC, NSW
  • Author/Editor: J Desbiolles and C Saunders
  • Publisher: GRDC
  • Resource Type: Webpage
  • Copyright Year: 2025
  • Not Provided
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Resource Last Updated: August 18, 2025

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