Search found 1791 matches
- Tue Oct 20, 2020 10:41 am
- Forum: Vehicle Safety
- Topic: Video: Seatbelt - How does it work?
- Replies: 0
- Views: 5131
Video: Seatbelt - How does it work?
Video recently saw on Linkedin and so post up here for future reference: From a thread called Learn Engineering: Includes the description of the Seatbelt video: Everybody knows what happens in an accident if you don’t wear a seatbelt. What you see in this accident looks really painful in slow motion...
- Mon Oct 19, 2020 4:04 pm
- Forum: Distracted Driving
- Topic: UK: Drivers to be banned from picking up mobile phones
- Replies: 0
- Views: 5105
UK: Drivers to be banned from picking up mobile phones
From BBC: Drivers to be banned from picking up mobile phones which begins: It will become illegal for anyone to pick up and use their mobile phone while driving, under new legislation to be enacted next year. The change will end a loophole that can allow drivers to escape punishment for using a hand...
- Mon Oct 19, 2020 9:55 am
- Forum: Vehicle Safety
- Topic: Video: Trailer Weight Distribution dynamics
- Replies: 0
- Views: 5209
Video: Trailer Weight Distribution dynamics
Recently saw this on Linkedin and so posting up for future references (Linkedin won't let you link to the original poster??!!): Failing to consider proper weight distribution when pulling any sort of trailer can quickly result in your situation swaying completely out of control, ending in incident a...
- Mon Oct 19, 2020 9:38 am
- Forum: General Topics
- Topic: A Needle(slap) in a Haystack...aka Stuck Speedometer Reliability
- Replies: 5
- Views: 10006
Re: A Needle(slap) in a Haystack...aka Stuck Speedometer Reliability
Oct 2020A: Postings on INCR included the following references: I preface this list with the conclusion from a reference above... In general, the practice of representing a residual speedometer reading as that vehicle’s speed at impact is strongly cautioned against. Speedometers and Collision Reconst...
- Fri Oct 16, 2020 1:29 pm
- Forum: Vehicle Safety
- Topic: Automatic Braking Seeing "Phantom" Objects
- Replies: 0
- Views: 4677
Automatic Braking Seeing "Phantom" Objects
Couple of articles on Automatic Braking and issues with "Phantom" braking, etc. When investigating a crash any influence or actions by any automatic steering or braking (if it is an option on either vehicle involved in the crash) must be investigated. Wired Magazine: Split-Second ‘Phantom’...
- Mon Oct 12, 2020 11:35 am
- Forum: 3D Vehicle Simulation, msmac3D
- Topic: What happens when a vehicle hits a pothole or rut at high speed?
- Replies: 3
- Views: 14693
Re: What happens when a vehicle hits a pothole or rut at high speed?
A query about potholes came up and so i did an initial review of the pothole paper (SAE 2015-01-1572) and unfortunately it does not include any full-scale tests (see Summary/Conclusion 5) and an important missing element is what shape/size might cause de-beading/air-out? The study does include an im...
- Wed Sep 30, 2020 2:20 pm
- Forum: General Topics
- Topic: 18% Restitution at 35 MPH??
- Replies: 4
- Views: 5337
18% Restitution at 35 MPH??
Sept 30 2022: this topic split off from related topic What is Restitution? (w/r to Vehicle Collisions) Sept 2020: As part of the NAPARS facebook page presentation Today: An NCAP Report, Part5, Restitution they included NHTSA Crash test #10156 which was a 2018 Chevrolet Traverse 4D SUV 35 MPH barrier...
- Wed Sep 30, 2020 1:34 pm
- Forum: General Topics
- Topic: What is Restitution? (w/r to Vehicle Collisions)
- Replies: 3
- Views: 14459
Re: What is Restitution? (w/r to Vehicle Collisions)
Please also see
- Wed Sep 30, 2020 1:28 pm
- Forum: Simplified Momentum Analysis, PC-Crash, Virtual Crash
- Topic: A Negative Coefficient of Restitution? An Irresponsible vCrash Video!
- Replies: 0
- Views: 7708
A Negative Coefficient of Restitution? An Irresponsible vCrash Video!
In a recent post on the NAPARS facebook page which was presenting what type of information is contained in NHTSA Crash test database reports they presented results from test #10156 which was a 2018 Chevrolet Traverse 4D SUV 35 MPH barrier crash. As part of the section on restitution (they have daily...
- Sat Sep 26, 2020 1:07 pm
- Forum: General Topics
- Topic: What is Restitution? (w/r to Vehicle Collisions)
- Replies: 3
- Views: 14459
Re: What is Restitution? (w/r to Vehicle Collisions)
This topic came up on the NAPARS facebook page so i added a couple other sources for the definition: Oxford Reference The coefficient of restitution always satisfies 0<=e<=1. When e=0, the balls remain in contact after the collision. When e=1, the collision is elastic: there is no loss of kinetic en...