Description
The APT-U consisted of two power cars with one at either end of the train and ten passenger cars, with a proposed increase to twelve vehicles to follow. Tilt was to be incorporated, but not articulation. The anticipation of the Board was for twenty trainsets to be completed for use mainly on the London to Manchester and Liverpool routes with selected operation to Glasgow. As this design incorporated proven equipment and dispensed with the APT-P’s transfer gearbox and HK braking, it was envisaged that service operation could begin before 1989.
In mid-1984, TS Sc48204 was withdrawn from Set 370 004 and sent to the Engineering Development Unit (EDU) at Derby RTC for conversion to an APT-U test vehicle and extensive rebuilding of the underframe being undertaken in order to incorporate tilting double bogies based on the BT12 units. Following completion, some static testing was undertaken at Derby as well as dynamic testing on the WCML in an APT formation, where the coach was inserted between the TBF and NDM vehicles.
Create a Later Fourteen Car Formation by adding the following SKUs (sold separately):
R40011A (x2)
R40012A (x2)
R40013A (x2)
R40014A (x2)