Stiffness testing of the APT inter-vehicle connection (TM-STM-1)

The A.P.T. intervehicle connection consists of a fibreglass centre section, connected to the coach ends by means of rubber diaphragms, and to the drawbar via Metalastik bushes. A mock up of the intervehicle connection, with a simulated drawbar and coach ends, was constructed in order to measure the stiffness of...