BT11/BT12 bogie: fatigue tests on a revised design of inclined link (TM-STM-010)

Previous tests on a proposed design of inclined link for the APT BTll/BT12 bogie had shown that the fatigue strength was inadequate. further fatigue tests have been carried out on a revised design of link, a machined forging of BS970 945 M38T material. Two specimens were tested at a...