Reply to "New Vision Line Class A Locomotive"

Rusty TraqueOGR Forum Member

@gunrunnerjohn posted:
How is water transferred to the locomotive? It would seem that you'd have to have some pumping there to get it to the proper level for the boiler.

That is done by injectors on the locomotive. There is one (normally) on each side of the locomotive. One for the fireman and on for the engineer. Steam passing over a nozzle in the injector creating a venturi effect drawing water from the tender. Think of a steam powered airbrush...

Before injectors, there was a pump connected to the crosshead and water could only be added when the locomotive was in motion.

Here is the fireman's injector on IRM's 1630:

There is also a valve further up that the fireman operates to admit steam to start the injector.

Rusty

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