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Motorcycles, like passenger cars, are capable of high speeds and must share the road with other vehicles. However, unlike passenger cars, motorcycles are capable of rapid accelerations, offer little protection to the operator during a collision and require special skills to maneuver effectively. This is due in part, to the use of separate front and rear brake controls and the gyroscopic effects of the front wheel, which necessitate a "counter-steering" technique to initiate a rapid change of direction. Motorcycle accidents may also involve helmet considerations, conspicuity to other motorists and many principles used in conventional four-wheeled vehicle accident reconstruction.


Questions Answered

At Technology Associates our testing, research and analysis capabilities include:
  • Wheelbase crush to determine speed
  • Motorcycle braking analyses
  • Helmet effectiveness studies
  • Momentum and energy calculations

Case Examples

Obstacle on Highway:
A large piece of furniture fell off a pickup truck onto a busy three-lane highway. An approaching car and motorcycle avoided striking the furniture but the driver of the car then lost control and began spinning along the highway, causing a collision with the motorcycle. Based on a detailed accident reconstruction, we showed that despite the motorcycle's maneuverability, the rider could not have reasonably been expected to avoid striking the car, which acted as a moving target traveling in an unpredictable motion.

Dr. Irving Ojalvo is Chairman of Technology Associates (, a forensic engineering firm with offices in New York City, Connecticut, and Florida. The firm's technical personnel, all of whom have advanced degrees, perform accident reconstruction involving issues of biomechanics, mechanical, traffic, and human factors engineering.

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