7S-005-011S Sentinel Y1/Y3 British Railways (E) 8149 Steam Locomotive - DCC Sound option-set-049 Simple 2 wire connection to

Simple 2 wire connection to either DCC track or controller - no separate power needed

With a top speed of just over 30 mph

a brush and glue

Tighter connections between the body and the roof

7S-005-011S Sentinel Y1/Y3 British Railways (E) 8149 Steam Locomotive - DCC Sound option-set-049 Simple 2 wire connection toThe 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