Editor: Alex Keen, [email protected]

Gregor Tolkes and Alex Keen at Harper Adams, 2010

[The effect of weight transfer on tractive performance. Gregor Tolkes, MSc major project, Harper Adams. https://vimeo.com/229997004](https://vimeo.com/229997004)

The effect of weight transfer on tractive performance. Gregor Tolkes, MSc major project, Harper Adams. https://vimeo.com/229997004

DG file

Advances in Soil Dynamics BillGillMemorial.pptx

SUV tyre climbing a step

https://vimeo.com/227279800

Single wheel testers

https://vimeo.com/231788207

https://vimeo.com/231788286

https://vimeo.com/231788207

NIAE bumpy track

The NIAE track was built and used at the UK National Institute of Agricultural Engineering during the 1960s, 1970s, and 1980s and is referred to in papers by J.A. Lines and John Mathews in the Journal of Terramechanics and the Journal of Agricultural Engineering Research.

By kind permission of the copyright holder the Institution of Agricultural Engineers, UK.

By kind permission of the copyright holder the Institution of Agricultural Engineers, UK.