Condensing steam locomotive
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A condensing steam locomotive is a teep o locomotive designed tae recover exhaust steam, either in order tae improve range atween taking on boiler watter, or tae reduce emission o steam inside enclosed spaces. The apparatus takes the exhaust steam that would normally be used tae produce a draft for the firebox, and routes it through external pipes in tae the watter tanks. Installations vary dependin on the purpose, design an teep o the locomotive tae which it is fitted. It differs from the usual closed cycle condensing steam ingine, in that the function o the condenser is primarily tae recover watter, or tae avoid excessive emissions tae the atmosphere, rather than tae maintain a vacuum tae improve efficiency an pouer.