1:87, Eisenbahn Canada, Film

Schnellzuglokomotive BR 61 002

Because it was planned to run the train in shuttle services to a tight time schedule, it was necessary that the engine could run at top speed in both directions. This resulted in a tank locomotive rather than the tender locomotive design otherwise used for long-distance high-speed links. In order to be able to attain the high running performance aimed at, locomotive and coaches were designed to be especially light, albeit the coal and water supplies had still to be sufficient for a one-way trip on the planned route. In building them, component designs from the Deutsche R