7S-005-013 O Gauge Sentinel Y1/Y3 BR Lined Late Crest 6515 O Gauge B4 Spares Their design offered the locomotive

Their design offered the locomotive a low centre of gravity

After the war and around 1947

Measurements are approximate

Class 73/0 bodyshell complete with cab details and lighting

4D-003-PCB Class 52 PCB and Complete Lighting Loom

7S-005-013 O Gauge Sentinel Y1/Y3 BR Lined Late Crest 6515 O Gauge B4 Spares Their design offered the locomotiveThe 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