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This dynamic rollover crash test was conducted to investigate the dynamics of belted occupants during rollover crashes. This test was conducted with a modified 2007 Ford Expedition on the FMVSS 208 rollover cart moving at 48.1 km/h (29.9 mph), releasing the vehicle with its roll axis perpendicular to the direction of rollover cart motion, and first contacting the passenger's side. The vehicle was modified by replacing the rear seat with a
modified front seat to simulate similar characteristics in both seating positions. The center console was also removed. The air bags were disabled for this test condition. The OEM belts and buckles were replaced in all positions. The driver and left rear seats were replaced with a seat with integrated 3-Point belts without pretensioners. The right front position was equipped with a motorized retractor and a pretension buckle system1. The pretensioner was fired manually at 300ms into the event and the motorized retractor was manually activated prior to launch.
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