Compound – Steam Chests


Steam Chests

Hello Ladeys and Gentlemen.

Now it’s time to take care of the steam chest. This is a very important piece of the steam engine, it’s truly the heart of the steam engine.

I’ll begin with the cover. The cover has a spigot on the backside so it’s very easy to set up in the lathe.

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Here I have set up the cover in my lathe for removing the cast skins.

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After that I move the cover to my mill so I can mill the side in square.

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Then with a hacksaw I cut of the spigot.

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Then flatten the backside.

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Now I have to mark out for all holes…

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… and drilled the holes and countersink the holes.

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I feel quite pleased with the result.

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I’ll continue with the steam chests. In the lathe I set up the steam chest in a four jaw chuck and took some turn on the top making the valve rod guide…

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… and the bottom for the packing gland.

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With a good fill I smooth the packing gland.

Moving over to the mill for milling both sides to the steam chest…

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Then I milled both sides…

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… and the insides as well.

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And now I have four pieces so far.

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Next, drilling the holes for the valve rod guide…

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…and then using an end mill for the packing gland.

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After that I drilled the hole for the steam inlet.

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A new setup so I could drill the hole into the steam chest.

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After two holes I’ll use bolt and nuts to hold the two pieces together.

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And here we go.

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Then, using the cover I drilled the holes in the cylinder block…

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…and threaded the cylinder block with help of a top hat.

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The stem chest with the cover seams to fits very well.

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Next, the packing glands.

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First I have to cutting of the pieces…

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…and the in the lathe for some turns, flatten one side and center drill /drilled a hole.

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Then I use a spigot so I could turn the other side.

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Marking for the holes for the stud, then threaded and then drilling through …

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…and after some good work with my fill I have to check so it fits well.

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No it’s time for the valve roads.

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After cutting the parts I took some turn in the lathe and threaded the valve roads …

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…in both end.

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And now there is to more pieces to the steam chest.

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Next, the valve.

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First in the mill I flatted both sides…

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…trying to have a smooth side on the valve.

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Then drilled throe …

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…and then mill a track in the valve.

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And now two more pieces finish.

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Then I cut of a piece of bras…

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…and mark up for a hole to be drilled…

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…and threaded…

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…and again check for fitting.

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Then with a hacksaw and a fill I’ll got this…

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…and it fits well in the steam chest.

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And now another piece is finish.

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This update took some times, it was radar many pieces to make and they have to be accurate, but nothing bad happened so I am very pleased over this update.

I’ll be back.

About Benni Svensson

I am an happy retired man with many interest. I have been building models in my whole life, everything from aircraft to regal ship. I have build steam engine before, but now, I'll got plenty of time...
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2 Responses to Compound – Steam Chests

  1. Rickard says:

    Looks really good Benni.
    It will be a real masterpiece.

  2. unka says:

    Nice work dad.

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