Forensic Engineers and Consultants

Tag Archive: collision expert

  1. “Introduction to Event Data Recorders (EDRs)” LIVE Webinar | October 22nd, 11am EDT

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    Accidents often have devastating consequences. Join WARREN’s Senior Collision Reconstructionist and President of S.C.A.R.S., South Carolina Association of Reconstruction Specialists, Aaron Duncan for an exclusive webinar on “Introduction to Event Data Recorders.”

    Learn from an expert how the information stored in this valuable tool can be utilized to help get to the truth of your loss.  Information like:

    • Change in Velocity
    • Vehicle Speed
    • Service Braking
    • Steering Angle
    • Safety Belt Usage
    • Seat Occupancy
    • Engine RPMs
    • Engine Trouble Codes
    • PLUS, many case studies to consider.

    (more…)

  2. Why Visit the Collision Scene?

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    If you are a collision investigator, a visit to the collision scene is something you want to do. No matter how much time has passed since the crash compared to the review of the case, the information that can be gleaned from walking through the area is valuable. We aren’t always given the option, but it is very beneficial, here is why. (more…)

  3. Belted or Unbelted? That is the Question!

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    Did the driver or passenger do what they could do to protect themselves by wearing their seatbelt? There are ways to determine if the safetybelt was being used. Most modern vehicles have a computer-controlled safety system that makes decisions based on an algorithm. That algorithm uses information such as change in speed and the direction of force to determine what to do. That data not only tells how fast the vehicle was traveling and if the brakes were applied, but also records the driver’s or passenger’s safetybelt status. (more…)

  4. Why investigators should have “Scaled Diagrams” of scenes?

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    When it comes to diagramming a crash scene, there are several methods to accomplish the task. Forensic Mapping, (locating, positioning, and documenting the evidence of a collision scene to scale) is essential to having the answers to the questions “Who, What, Where, When, and Why?”. Photographs do a great job showing what the investigators saw post collision; yet they lack scale and the ability to describe pre-collision movement. Having a computer aided diagram (CAD) of the collision scene goes much further than the pictures can; here is why.

    basic intersectionA scale diagram gives the full overview of a collision scene from either a 2D or 3D point of view. Being able to see how things lined up, how they came together and how they parted helps explain the events within a crash. When a scene can be viewed from top down or any angle, that helps relay the facts. The investigator, judge, or jury will get (more…)

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