The Traffic Accident Reconstruction Origin -ARnews-
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Origin of Formula?
J.F. Mitchell ([email protected])
Tue, 27 Apr 1999 08:07:54 -0400 (EDT)
In my travels I have come across a "fits all" type of crush formula and was wondering where it originated. I produces reuslts just a little bit higher than the rule of thumb 1 inch = 1.5 MPH. The formula is as follows :
Speed (mph) = .6817 x SQR((2 x 32.2 x crush avg inches x W1)/W2)
where W1 = weight of struck vehicle W2 = weight of striking vehicle
and NO I don't intend to use it.
Jim
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http://www.angelfire.com/on/GuideBook/index,html
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J.F. Mitchell
[email protected]
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