Vertical Dynamics & Hunting Flashcards
1
Q
How did rails and wheel design differ from theearly made train design?
A
Wheel shape has changed - coinicity (incline) of the top of the wheel and the rail is placed on a slight angle to match this.
2
Q
Why did the change in rail/wheel design occur
A
Low speed travel the old design was fine
Faster trains encountered problems between the wheel flange and rail impacting and damaging.
3
Q
What is Hunting?
A
Phenomenon produced when amplitude of Klingel Motion becomes excessive and flanges start to make contact with the rails.
4
Q
What effect does hunting have? and why is it a problem?
A
Hunting resorts in violent motion of the train with much higher frequency oscillations.
Nuisance for passengers and damaging to both track and its components.
