British Rail Class 121 facts for kids
Quick facts for kidsBritish Rail Class 121
W55033 at the Colne Valley Railway in original green livery
|In service||1960 - present|
|Manufacturer||Pressed Steel Company|
|Family name||Bubble Car|
|Formation||1 car per trainset|
|Operator(s)||Arriva Trains Wales Network Rail|
|Car length||64 ft 6 in (19,660 mm)|
|Width||9 ft 3 in (2,820 mm)|
|Height||12 ft 4 in (3,760 mm)|
|Maximum speed||70 mph (110 km/h)|
Sixteen Class 121 single-car driving motor vehicles were built from 1960, numbered 55020-55035. These were supplemented by ten trailer vehicles, numbered 56280-289 (later renumbered 54280-289). They had a top speed of 70 mph, with slam-doors, and vacuum brakes. The driving motor vehicles were nicknamed "Bubble Cars" by some enthusiasts.
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British Rail Class 121 Facts for Kids. Kiddle Encyclopedia.