Measurement of vertical and lateral stiffnesses of clouth rubber primary spring for B5 bogie (TM-DOS-011)

The primary suspension unit tested, to Clouth drawing CF732-1, is of the type now being fitted to several B-5 bogied carriages for extended trial. Vertical and lateral stiffness measurement, both static and dynamic, carried out in the APT laboratory, are described for vertical mean load cases of 17.25, 20.9...