bad wheeling bearing
Passenger trains are usually faster than freight trains.
Chances are, it is a wheel bearing issue.
the Concord
the Concord
Concord.
the Concord
In current use - no one. But the Concorde and its Russian counterpart were faster than the speed of sound.
Spin it faster, and it will spin longer.
the Concord
the Concord
Concorde
No, Driveshafts transfew huge amounts of moment (torque) which requires more structrual rigidarity than a rubber boot. The rubber boot protects the internal structural members from corosion. Members such as U-joints can and will wear significantly faster without this protection.