Search found 1307 matches

by MSI
Mon Jul 12, 2021 2:24 pm
Forum: msmac3D/3D Vehicle Simulation
Topic: Rollover Analysis: minimum speeds and roll velocity approximation
Replies: 4
Views: 533

Re: Rollover Analysis: minimum speeds and roll velocity approximation

Question on another forum about full scale tests for end-over-end rollovers Can't recall any specific crash test which included an end-over-end vault but recall have seen some (might come to me later) In the meantime the following is a page out of our book McHenry Crash Reconstruction 2008 which inc...
by MSI
Thu Jul 01, 2021 2:21 pm
Forum: Specs/Acceleration/Braking
Topic: What are typical values for Free Rolling Drag coefficient?
Replies: 4
Views: 4230

Re: What are typical values for Free Rolling Drag coefficient?

Saw another article referenced on the INCR news forum . Join NAPARS and have access to all the ARJ issues. July/Aug 2016 ARJ page 31, PASSENGER CAR COASTDOWN RATES , By Wade Bartlett, Bill Wright, and Andy Rich Has some full scale tests, presentations of other test data and the following abstract &a...
by MSI
Thu Jun 24, 2021 12:00 pm
Forum: msmac3D Licensee Notes
Topic: Is there a Crush BEV/Crash3 calc option in msmac3D?
Replies: 0
Views: 40

Is there a Crush BEV/Crash3 calc option in msmac3D?

Q: Is there a Crush BEV/Crash3 option in the software? A: Yes. In the update Preliminary v3.3 uploaded for licensees only so use your login/password, which includes updates to the crash test database, how to videos, etc Also be sure to see the recent topic: HOWTO Calculate CRASH3 A & B Coefficie...
by MSI
Mon Jun 21, 2021 11:02 am
Forum: Specs/Acceleration/Braking
Topic: Golf Cart Braking and Handling Tests
Replies: 1
Views: 36

Re: Golf Cart Braking and Handling Tests

great followup on Facebook NAPARS page on golf carts: See NAPARS page Working with cars and trucks, many of us forget how small a golfcart is. It seems almost as large as a small car, but it's mostly air and happy thoughts, instead of engine blocks and steel drivelines. The article Inspection and Te...
by MSI
Wed Jun 16, 2021 10:13 am
Forum: Specs/Acceleration/Braking
Topic: Golf Cart Braking and Handling Tests
Replies: 1
Views: 36

Golf Cart Braking and Handling Tests

On Facebook group a link to a reference with Golf Cart Tests was provided. It's an NHTSA report Inspection and Testing of Low Speed Vehicles , Jeff Elias, Aug 1998, VRTC-83-0461 Abstract: In response to petitions by the golf cart industry the National Highway Traffic Safety Administration reviewed i...
by MSI
Tue Jun 15, 2021 9:03 am
Forum: Vehicle Safety
Topic: Road Collision Reporting Guidelines
Replies: 0
Views: 17

Road Collision Reporting Guidelines

From the UK Guidelines for journalists reporting on road collisions. Correct use of appropriate language makes for balanced, inoffensive stories. Road Collision Reporting Guidelines The Road Collision Reporting Guidelines are produced in collaboration with the University of Westminster’s Active Trav...
by MSI
Mon Jun 14, 2021 6:04 pm
Forum: General Reconstruction Analysis
Topic: When Graphs Are a Matter of Life and Death
Replies: 0
Views: 21

When Graphs Are a Matter of Life and Death

When Graphs Are a Matter of Life and Death Pie charts and scatter plots seem like ordinary tools, but they revolutionized the way we solve problems. By Hannah Fry June 14, 2021: Excellent article/review of new book on “A History of Data Visualization and Graphic Communication” (Harvard), Michael Fr...
by MSI
Mon Jun 14, 2021 8:56 am
Forum: General Reconstruction Analysis
Topic: Princess Diana Crash Reconstruction
Replies: 8
Views: 7423

Re: Princess Diana Crash Reconstruction

In response to some recent comments made to our simulation video of the crash and the 48 Hours segment on the Princess Diana crash we found an interesting summation of some of the conspiracy theories with explanations and references. For those of you still wish to believe and repeat conspiracy theor...
by MSI
Fri Jun 11, 2021 10:16 am
Forum: What Is?
Topic: What is the Static Stability Factor?
Replies: 1
Views: 10375

Re: What is the Static Stability Factor?

June 2021: On the NAPARS Facebook page Wade presented some tips for easy measurement of track width. Please see the NAPARS facebook page topic: Track Width Discussion Track width.png And it included a link to this McHenry Forum topic (Thanks Wade!) In reviewing the topic we wanted to add that there ...
by MSI
Fri Jun 11, 2021 9:11 am
Forum: msmac3D Licensee Notes
Topic: HOWTO videos with Task Specific Links
Replies: 1
Views: 236

Re: HOWTO videos with Task Specific Links

June 11: Note we removed the direct links to full videos on this page:
  • Simply click the link to right for a topic of interest
  • then you will see a list of all topics covered in the video
  • simply click on topic of interest!
  • (there is also a link to the full video)