Force measurements on ES54B switches at Balfour Beatty, Sandiacre Feb/March 1991 (MISC-A)

Tests have been carried out on a set of EV switches fitted with shallow depth/thick web switchrails in Balfour Beatty's yard at Sandiacre during February and March 1991. The object of the exercise was primarily to find out whether the UIC 54B shallow depth switch rail section needed to be...