Search found 1792 matches
- Wed Nov 22, 2023 7:33 am
- Forum: Specs, Crash Tests, Etc.
- Topic: Bicycle Travel Speeds of Children
- Replies: 4
- Views: 14506
Re: Bicycle Travel Speeds of Children
From INCR forum : Q: looking for any references on bicycle speed/velocity, specifically looking for child or 12 year old male A: See Accident Reconstruction Journal (ARJ) 26-4 If you join NAPARS you get access to all ARJs! for a summary article on the topic, for 11-13 year olds, it was 9.9mph (repor...
- Fri Nov 17, 2023 2:33 pm
- Forum: msmac3D Licensee Notes
- Topic: msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
- Replies: 7
- Views: 14794
Re: msmac3D Ver 4.4.1 NOW AVAILABLE
Topic changed to NOW AVAILABLE and includes details, more to come soon!
- Mon Nov 13, 2023 5:59 pm
- Forum: Highway Safety
- Topic: Effects of Speed on Accident Frequency?
- Replies: 5
- Views: 12961
Re: Effects of Speed on Accident Frequency?
posted separately but also included here More confirmation of the findings of the study we participated in back in the 90s, see Effects of Speed on Accident Frequency? Following recently posted on Linkedin: Global Road Safety Partnership In Australia, the speed limit on Melbourne’s rural and outer f...
- Mon Nov 13, 2023 5:57 pm
- Forum: Highway Safety
- Topic: More Information on The Effects of Speed on Highway Safety
- Replies: 0
- Views: 13924
More Information on The Effects of Speed on Highway Safety
More confirmation of the findings of the study we participated in back in the 90s, see Effects of Speed on Accident Frequency? Following recently posted on Linkedin: Global Road Safety Partnership In Australia, the speed limit on Melbourne’s rural and outer freeway network was increased from 100 km/...
- Mon Nov 13, 2023 8:12 am
- Forum: msmac3D Licensee Notes
- Topic: msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
- Replies: 7
- Views: 14794
msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
Mar 13, 2024: Update 4.5.5 is uploaded! This lists some of the many enhancements Refinement of NEW Sequential Inputs We recently added Sequential Input Tables to permit direct copy/paste of EDR data as inputs fot msmac3D simulations. We also enhanced the notices and messaging to clarify how these ta...
- Fri Nov 10, 2023 7:06 am
- Forum: What Is?
- Topic: What is Closing Speed?
- Replies: 6
- Views: 26182
Re: What is Closing Speed?
That presentation: Using EDR Delta V in Traffic Crash Reconstruction by Rick Ruth We don't know him personally but have heard from colleagues he's a great teacher, presenter and source for useful information. Here is his website Ruth Consulting And here is one of the SAE classes he teached: Applying...
- Thu Nov 09, 2023 8:16 am
- Forum: McHenry News!
- Topic: 2008 McHenry Accident Reconstruction Book
- Replies: 2
- Views: 10201
Re: 2008 McHenry Accident Reconstruction Book
Note we haven't updated this so added 2024 as expected update time for the update to the book!
- Thu Nov 09, 2023 8:02 am
- Forum: What Is?
- Topic: What is Closing Speed?
- Replies: 6
- Views: 26182
Re: What is Closing Speed?
We're on the road this week and just saw your question: First, Coefficient of Restitution (COR) has nothing to do with closing speed. COR would need to be considered in the calculation of the ' impact speed change '. The equation you presented also has gamma which you specified as the ' effective ma...
- Fri Oct 27, 2023 6:56 pm
- Forum: msmac3D Licensee Notes
- Topic: Note on Norton and other anti-virus real time Scanning programs
- Replies: 2
- Views: 4822
Re: Note on Norton and other anti-virus real time Scanning programs
They're at it again! Just got this notice from a licensee that Norton blocking our installation program sometimes clicking on the FILE INSIGHT button can provide an option to STOP the BLOCK! Damn Norton.png Please try these steps and/or search the web to see how to unblock we digitally sign our inst...
- Thu Oct 26, 2023 9:14 am
- Forum: Specs, Crash Tests, Etc.
- Topic: Deceleration of Electric Vehicles with Regenerative Braking
- Replies: 0
- Views: 9770
Deceleration of Electric Vehicles with Regenerative Braking
Regenerative braking in electric cars is a great way to save your brakes! Having driven a Tesla 3 for many years i know i rarely use the brakes. Saw this paper posted up so reposting link to SAE Quantifying the Deceleration of Various Electric Vehicles Utilizing Regenerative Braking Vigil, C., Kaaya...