AiTS Forensic Automotive Engineering course

I recently provided lectures for experienced Metropolitan Police Collision Investigators attending this course run by Chris Dunn of AiTS.  I taught modules on Materials theory, Metals failures, Vehicle light bulbs, Speedometers & other vehicle instruments.  This training will assist them when investigating fatal and serious injury accidents, and it will help them determine when additional…

Vehicle Light Bulb Examination

On the topic of examining vehicle light bulbs, you may hear: “You don’t need to engage a light bulb Expert; examination of light bulbs is easy”. “If the filament has distorted the bulb was On at the time of the crash” “If it hasn’t distorted it was Off” Whilst it might be true in some,…

Update on the proposed Old Tyre Bill

The Bill proposed by Maria Eagle MP as an Early Day Motion (see previous News item) failed to gain Government support and was lost on 1st December 2017. It is sad in that old tyres will still be permitted on PSVs (i.e. buses and coaches), as they will on HGVs, and so further lives are…

Tyre Ageing Bill

Currently an Early Day Motion (no. 167) is progressing through parliament.  It aims to replace the current advisory limit of 10 years for tyres on the front axles and single rear wheels of PSVs (Public Service Vehicles) with a mandatory 10 year limit for all tyres on PSVs. This motion has been brought by Maria…

Institute of Traffic Accident Investigators Crash Day 2017

In June 2017 David attended the Institute of Traffic Accident Investigators’ Crash Day at Bruntingthorpe Proving Ground.  Numerous staged crashes were organised with speeds of between 5mph and 93mph!  Most vehicles were cars but some tests involved a lorry and one a moped.  It’s obviously very useful to have damage produced at known speeds and…

Speedometer research

David co-authored SAE paper 2017-01-1412 ‘Speedometers and Collision Reconstruction’.  This was presented at the SAE World Congress in Detroit in April 2017 by co-author Chris Goddard. Copies can be purchased direct from SAE.  

Grittenham Haulage ‘Bath Tipper Lorry’ accident

In March 2017 BBC Radio 4’s ‘File on 4’ transmitted a programme ‘Rogue Hauliers’ in which David was interviewed regarding his involvement in the investigation of the Grittenham Haulage ‘Bath Tipper Lorry’ accident .  The heavily laden lorry was unable to stop as it travelled down a steep hill in Bath and four people ,…