The doors on the rear wall, which had become superfluous, were in some cases removed in order to provide a larger coal bunker.
If too much coal built up on one side of a coal bunker, the ship would actually list to that side.
The cab was in the center with a coal bunker ahead of it and a backwards-mounted conventional boiler behind it (the tender only carried water).
The original coal bunker capacity was of 2 tons.
The rebuilding process involved the removal of the side water tanks, the rear coal bunker and the trailing axles.
The coal bunker was behind the driver's cab.
Because of their compact nature, they proved ideal for island duties, although the problem of the lack of adequate coal bunker space hampered the class.
That case has not been before the authorities because there is nothing illegal in having a coal bunker full of sawdust.
