7S-005-011D Sentinel Y1/Y3 British Railways (E) 8149 Steam Locomotive - DCC Fitted Class-73 It’s hard to describe these

It’s hard to describe these as anything but a work of art

Prototypes receive grain in covered hoppers or boxcars

easy-to-understand construction instructions make assembling the time machine child's play

Geared for slow prototypical operation

Concrete loading dock

7S-005-011D Sentinel Y1/Y3 British Railways (E) 8149 Steam Locomotive - DCC Fitted Class-73 It’s hard to describe theseThe Y1 Y3 sentinel was based on the road going lorry, utilising a similar centrally mounted steam tube boiler and chain drive system to the wheels. Whilst not having the greatest turn of speed (approximately 36mph top speed) these small locos proved capable of pulling a constant draw weight and were considered ideal for shunting in yards and providing motive power along smaller branch lines. These quirky little locos were used by all of the big four