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post #4 of (permalink) Old 7th May 2009
Technical Supremo

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Petrol has no smell but its fumes do have - therefore if petrol can be detected from the drivers seat then it is already evaporated and the slghtest heat source can cause an explosion or ignition.
You also have to remember there may be other sources of ignition outside the vehicle itself.
I wonder why petrol tankers bother carrying fire extinguishers and large warning labels

It not the type of source that causes ignition but its energy potential.

If you ever think about throwing a lit match into a tank of petrol Mikey - let us all know and we can watch from a distance and video it - should be good for a laugh.
I can speak from personal experience. I once witnessed a young lad apply a lit match to the neck of a 25 litre drum filled with petrol - guess what he lost his eyebrows and is now only partially sighted along with serious burn scars.
If you don't believe me just call at your local fire station for some advice
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