7S-005-009S Sentinel Y1/Y3 NE 8154 Steam Locomotive - DCC Sound Electrical DCC Ready 21 pin socket

DCC Ready 21 pin socket

21-PIN Direct

At the same time

24 Tall chimney pots

Train passing a Track Sensor moves the servo to defined positions

7S-005-009S Sentinel Y1/Y3 NE 8154 Steam Locomotive - DCC Sound Electrical DCC Ready 21 pin socketThe 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