Robert (Bobby) Grisso
Professor & Extension Engineer
Biological Systems Engineering

Office: 211 Seitz Hall
Blacksburg, VA 24061
(540) 231-6538
email: rgrisso@vt.edu

Traction and Tractor Performance

2008

Power Hop Instability
ASABE Distinguished Lecture Series #32

  Grisso, R.D., D. Vaughan, and G. Roberson. 2008. Fuel prediction for specific tractor models. Applied Engineering in Agriculture 24(4):423-428
2007 Farm Business Management Inservice, Sept 2007. Presentation PDF, Field Working Time (PDF), PWD Spreadsheet (xls, PDF), Fuel Prediction PDF,
  Zoz. F.M. 2007. The Cause of Powerhop. ASABE Paper and Presentation No. 071110. St. Joseph, MI:ASABE (Video Download, 4.0 MB wmv)
  Grisso, R.D., J.V. Perumpral and F.M. Zoz. 2007. Spreadsheet for matching tractors and drawn implements. Applied Engineering in Agriculture 23(3):259-265
  Fuel Consumption Parameters for 548 tractors (Excel, 289k xls) (PDF)
  Tractor Database of 1498 NTTL (Excel, 1.2 MB xls) (PDF)
2006 User Guide for the Tractor Performance Spreadsheet (PDF)
  Predicting Tractor Performance and Implement Size Spreadsheet (Excel, 2.1 MB)
  Grisso, R.D., J. Perumpral, and F.M. Zoz. 2006. An empirical model for tractive performance of rubber-tracks in agricultural soils. Journal of Terramechanics 43(2):225-236
2004 Grisso, R.D., M.F. Kocher, and D.H. Vaughan. 2004. Predicting tractor fuel consumption. Applied Engineering in Agriculture 20(5):553-561

ASAE Distinguished Lecture Series #27
Presentation at AETC & ASAE International Meeting

2003 Zoz, F.M. and Grisso, R.D. 2003. Traction and Tractor Performance. ASAE Distinguished Lecture Series #27 (PDF, 1.3 MB)
  Predicting Tractor Performance Spreadsheet (Excel, 1.6 MB)
  Estimating Power Levels of a Tractor System (Excel, 0.30 MB)
  Presentation Materials (PowerPoint, 4.8 MB or PDF, 0.85 MB)
 
REFERENCES for Distinguished Lecture Series #27

Other Traction Related
ASABE Distinguished Lectures

#32

Power Hop Instability

#28

Choosing the Right Tire

#27

#20

Rubber Belt Tractor

#14

Driven Front Axles

#3

Agricultural Tire Design

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