[Tlhingan-hol] New words needed

[Anthony Appleyard]

Indeed in a railway engine. But in ships' steam engines the used steam is fed into a condenser to recover the water, as seawater is not good in a boiler, and the coal furnace has to get its draught some other way, and that is why in my experience big steam ships make coal smoke but do not go "ch ch ch ch" like a railway engine.
----Original message----
>From : lojmitti7wi7nuv at gmail.com
Date : 02/11/2015 - 13:55 (GMTST)
To : tlhingan-hol at kli.org
Subject : Re: [Tlhingan-hol] New words needed
In my understanding of typical steam engine designs, the used steam is usually vented upward in a jet concentric with the boiler’s chimney in order to amplify the draft, making the coal burn hotter and generate more steam. So, the only place the “used steam” is vented is in the same gas stream as the gases from its coal burning. I would expect the term “exhaust” for a steam engine to imply both used steam AND gases from the coal flame.
This is why a steam engine’s chimney goes “chug, chug, chug” and comes out in percussive billows and doesn’t just look like the chimney for a normal fireplace in a home.
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