Some Stability and Control Problems with Trailed Farm Tankers on Slopes,
SCOTTISH INST OF AGRICULTURAL ENGINEERING PENICUIK
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Trailed farm tankers in Britain, which are generally used either for slurry spreading or crop spraying, have become very large in recent years. The fluid contents, which may be four times as heavy as the towing tractor, will move under gravity inside a partly full tanker and this introduces problems while driving on slopes, which have not been recognised previously. The fluid movement will affect both the stability of the tanker and the control of the tractor and trailer combination. Recent accidents where tankers overturned due to loss of stability, and where tractor and trailer combinations slid downhill due to loss of control led to extensive research on tankers.