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Flashcards covering the mechanical contact points and safety systems of modern trains based on the lecture transcript.
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Wheel-rail contact
The small area, roughly the size of a 10p coin, that carries the weight of the entire train.
why must wheel rail and suspension condition be maintained
because the train weight is concentrated in a tiny contact area.
Flat spots or cracks
Small defects that can cause huge stress and damage, what can be critical during wheel-rail contact
Air breaks
A type of braking system used on many modern trains that is designed to be fail-safe.
Fail-safe
The safety characteristic of modern train air breaks.