McHenry Forum - Crash Reconstruction & Simulation

Q: Anyone aware of any testing for COF for a free rolling vehicle on pavement or grass, wet or dry?? A: See SAE 980368 The measured Rolling Resistance of vehicle for Accident Reconstruction by Cliff & Bowler The numbers they cite are low but it is another source for consideration. Also, in colli...

Hybrid Cars May Include Fake Vroom for Safety NY Times, JIM MOTAVALLI, Oct 13, 2009 For decades, automakers have been on a quest to make cars quieter: an auto that purrs, and glides almost silently in traffic. They have finally succeeded. Plug-in hybrid and electric cars, it turns out, not only red...

Toyota to recall 3.8M vehicles over floor mats Reported on Sep 29 by KEN THOMAS, Associated Press: Toyota Motor Corp. said Tuesday it will recall 3.8 million vehicles in the United States. This is the company's largest-ever U.S. recall. The recall is to address problems with a removable floor mat t...

Slides from DOT Dsitracted Driver Summit now available.
Here are a few

Snippets from Wade Bartlett's October 2009 Mailbox Review : Changes at SAE : If Wade understood correctly, to get your one conference admission this year, you must renew your membership before 12/30/09 (no last-minute joining discounts in April '10). The already short congress presentations will be ...

In re-reading my response, one might interpret my message to mean you MUST run SMAC for every accident reconstruction. That is not what i meant. The main point of emphasis with respect to Momentum Solutions is to perform a sensitivity study. Far too often we encounter ‘experts’ who present a single ...

In re-reading my response, one might interpret my message to mean you MUST run SMAC for every accident reconstruction. That is not what i meant. The main point of emphasis with respect to Momentum Solutions is to perform a sensitivity study. Far too often we encounter ‘experts’ who present a single ...

Q: Are you aware of any testing that compares the impact severity of collisions into various different types of end treatments on concrete barriers? A: As a starting point try the following: (note NTIS PB numbers can be used to order from NTIS ) Median Barrier Terminals and Median Treatments , Vol 2...

NOTE: In this forum we have links to many online news resources. One of them is NYTimes.com . For some vey bad business decisions by pencil pushers at NYTimes.com all external links to archives of NYTimes.com require that you register your email address. It doesn't cost anything. It's free. But is ...

Interesting Op-Ed Contribution: Thumbs on the Wheel NY Times, By MARK A. SHIFFRIN and AVI SILBERSCHATZ, Published: October 4, 2009 PRESIDENT Obama has forbidden federal employees from texting while driving. The federal Transportation Department plans to do the same for commercial-truck and Interstat...