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Also known as our roller coaster rail, the low dolly system
releases a vehicle at speed onto flat or sloping terrain with
any desired initial roll, pitch and yaw angle. The vehicle slides
smoothly from the dolly onto the terrain with no elevation change.
This system can be used to create rollover crashes from the
trip stage on, including scenarios such as furrow tripping on
inclined road edges and medians. This system can also be used
for lateral pole impacts, such as for FMVSS 201P and certain
real-world accident scenarios.
We recently added a system for creating controlled, low level
deceleration over the last several feet of dolly travel. The
deceleration simulates tire scrub or soil furrowing. With
this system, occupant motions leading up to and during rollover
can be investigated with a repeatable test. This feature can
be used during development testing of side window curtains,
or other occupant protection systems. We have applied similar
pre-impact braking technology to our indoor
sled facility.
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