Instrumentation for APT 'E' structures tests Bedford-Luton 2/6 Dec 1974 (IM-IS-280)

The object of the tests was to measure strain levels at different positions on APT 'E' E1/1 and EIT/3 bogies during high speed runs between Bedford and Luton. Also instrumentation was fitted to measure the dynamic response of the bogies in order that a comparison between strain levels and dynamic...