The Traffic Accident Reconstruction Origin -ARnews-

Re: Need help with motorcycle crash

Ed Phillips (edphill@aol.com)
Mon, 7 Sep 1998 18:17:02 -0400 (EDT)

Steve,

I hope you have some good witness statements, or you could be in for quite a chore. It sounds as though you may have some narrow loading (similar to a narrow fixed object collision) it also sounds like you may have extended contact and shear, and therefor, no match-up of speed through the C.G.'s. Then how would you apply the existing crash tests database of empirical studies to this event?

If you had good indications of a common post-impact speed through the c.g., and a finite area of narrow loading, you might try to model the truck collision after a pole/tree. Then apply the corollary of Newton Three which says mass and speed change are inversely proportional. Otherwise,......

Ed
Ed Phillips
edphill@aol.com

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