4N6XPRT StifCalcs®
4N6XPRT StifCalcs puts the NHTSA Crash Test database on your own 32 bit MS-Windows computer, WITHOUT THE NEED FOR AN INTERNET CONNECTION!!
Now you can access the NHTSA Crash Test data, and develop A-B-G and Crush Factor stiffness values anytime of the day, any day of the week, as long as your computer is " up and running" .
Late night hours for an early morning trial/deposition appearance?? No problem, you have the data available to you.
Not sure how to calculate the A-B-G stiffness values? No problem, we will automatically calculate a range of stiffness values for front, side, and rear impact tests as long as the tests contain sufficient data to do so.
Tests missing data for the width measurement (front & rear tests) and/or vehicle weight? No problem, we will automatically provide published data to select from so that the calculations can be completed.
No tests for your desired vehicle? Okay, maybe this could be a problem, however, we allow you to search the database based upon a wheelbase range, length range, weight range, and or body style, year range, and manufacturer. You can create your OWN vehicle classification, then pick from the available tests to find stiffness values that can work for your given collision analysis.
The alternative to creating a CLASS vehicle is to compute the stiffness values for the vehicle based upon the stiffness values which are known for the other vehicle and the crush measurements which have been taken for both vehicles. This is known as a FORCE BALANCE calculation and is based upon Newton's Third law, commonly stated as "Equal but opposite forces", and more formally stated as - "The mutual forces of action and reaction between two bodies are equal, opposite and collinear.(citation)" The 4N6XPRT StifCalcs program includes a Force Balance calculation module which allows the user to easily, and COMPLETELY, calculate the full range of likely stiffness values for the vehicle in question based upon Crash tests completed on the other vehicle. If you do not own the StifCalcs program, we also offer a Force Balance calculation as part of our services.
For more on this program, and to see sample printouts, please download
the documents from the following links.
Download Software Order Form |
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Force Balance Samples and Information |
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Force Balance Analysis Service added to our IVDSS Vehicle Information Service |
Download Force Balance Analysis
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4N6XPRT StifCalcs® Brochure - Manual - FAQ's - Owner Summary Numbers |
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Brochure |
Sample StifCalcs® Print-outs |
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Utility Vehicle Rear Test Summary printout
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StifCalcs
FAQs
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StifCalcs Manual (6-22-2011)
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The programs are licensed to a single registered user . They may be installed on Three (3) single station/single user computers computers concurrently. Installation on a network computer for corporate/entity wide use at multiple locations is a violation of the licensing. An example of the three installations for a private consultant would be -
1 at the office/workplace
1 at the home of the registered user
1 on a portable/laptop to be used in the field or in court {by the registered user}
The Registered User may be the owner or an employee of that owner, so
long as only one person can access the program at a time.
