Dapol O Gauge 7S-005-007 Sentinel Y1/Y3 NCB #14 Blue 'Maude' Scale_28mm bargeboards and ridge tiles

bargeboards and ridge tiles

higher boiler pressure and extension of the firebox to create a combustion chamber made them more efficient than the A3 as they consumed less coal and water- especially later on when they were also fitted with a Kylchap double chimney

With this in mind the decision was made to build the remaining 105 locomotives in England

and was more susceptible to battle damage

Dapol O Gauge 7S-005-007 Sentinel Y1/Y3 NCB #14 Blue 'Maude' Scale_28mm bargeboards and ridge tilesDapol O Gauge 7S 005 007 Sentinel Y1 Y3 NCB #14 Blue 'Maude' The 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 most significant turn of speed (approximately 36mph top speed) these small locos proved capable of pulling a constant draw weight. They were considered ideal for shunting in yards and providing motive power along smaller