H Glossary of rail transport terms
the hudson wheel arrangement
a steam locomotive 4-6-4 wheel arrangement
hump
a raised section in rail sorting yard allows operators use gravity move freight railcars proper position within yard when making trains of cars. faster , requires less effort moving cars switching engine.
hunting
swaying motion of railway vehicle or bogie caused coning action on directional stability of adhesion railway depends. truck or bogie wanders side side between rails, hunting optimum location based on forces @ play.
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