Recent content by JC

Everyone, thanks again for the input it's certainly been useful for clarifying my thoughts ready for debate with colleagues and will enable me to target my questions appropriately.

Thanks for the responses all, My understanding is trains to exceed linespeed by 35% or more is not unusual so I'm assuming the safety margin must refer to passengers falling inside the train etc rather than derailment speeds. Which leads me to the further notion that derailment speeds are...

Does anyone know what the safety margin is assigned to linespeed? I found a report from 2000 by IMechE that stated tilt trains could run at 25% less safety margin than not tilting trains but it didn't say or qualify what the normal safety margin would be. I know linespeed is derived based...