1970-02-01

Field Studies of Rollover Performance - Etudes sur Place du Comportement en Tonneaux - Praktische Untersuchungen über das Verhalten von Fahrzeugen beim Sich-Überschlagen 700417

This paper outlines the characteristics of rollover accidents based on a representative sample of British cars and light vans. The data come from on-the-spot and follow up investigations of accidents conducted by Birmingham University and the Ford Motor Company in which damaged vehicles were examined and information from them correlated with injury data obtained from hospitals.
Rollovers are either initiated by impact with another vehicle or are simple rolls, the incidence of other types of roll being low. Door opening rates are shown to be high, and the character of roof collapse, in terms of position and amount, is described.
The sources of injury to occupants is discussed. Injury to the head or face occurred in 96% of injured occupants. Seat belts, when worn, prevent ejection but cannot offer complete immunity from injury in this type of accident.
Some improvements in crash performance are outlined and a tentative testing procedure is mentioned.

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