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Safety critical – the relative importance of systems: Part 1

By Andrew Marsh, 12.04.12
Posted in Public | Technology Trends | Update
Mercedes-Benz B class cut away
Introduction Every single part of a motor vehicle is safety critical is some way or other. The vehicle repair industry (both repairers as well as Insurance Companies) have struggled with lack of definition for many years. An attempt to define parts as safety critical was famously part of the original BSi PAS 125 document. So ...

Safety critical – the relative importance of systems: Part 2

By Andrew Marsh,
Posted in Technology Trends | Update
Structure of 991 sectioned
The problem A vehicle – especially if it has a single load bearing structure – is made be building up many parts into a complete assembly. Restoration of any damage will usually involve removal of not only damaged material but also undamaged material, some of which could be compromised in the process. Once the invasive ...

Safety critical – the relative importance of systems: Part 3

By Andrew Marsh,
Posted in Technology Trends | Update
Subaru XV BIW
The listing – overall Level 1 – Primary parts and systems directly involved in management of excess energy / impact energy. Bumper beams (front and rear) Crush cans (front and rear) Longitudinals (front and rear) A pillar (front and side impact) B pillar (front and side impact) Sill assembly (front and side impact) Roof structure ...

AC refrigerant – what next and when? Part 1

By Andrew Marsh, 26.03.12
Posted in Materials & Engineering
BMW 7 series dual AC system 2002
From the start of 2011 there was quite a fuss about getting training for F gas handling as well as the change-over to a new type of refrigerant – R1234yf. There was global recognition that R134a represented an unacceptable risk as a green-house gas, even though it was introduced to address a major risk to ...

AC refrigerant – what next and when? Part 2

By Andrew Marsh,
Posted in Materials & Engineering
AC charge stations
There are many questions about the change over from R134a to R1234yf: When does the use of R134a become ‘illegal’? The Directive 2006/40/EC set out a time table for elimination of R134a. 1st January 2007 – type approval not granted to vehicles with AC systems carrying refrigerant with a GWP greater than 150 (R134a has ...
 
 
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