A vertical steam pump.

Started by Michael S. · 71 replies · 3,409 views

Michael S.
Reply #30 · 27 Jun 2026, 20:19
Hi Chris,

My two workshop elves and I take the "drinking a lot" part very seriously........Evening workshop meeting......

Michael  :cheers:
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Michael S.
Reply #33 · 28 Jun 2026, 18:19
Today I worked on a few parts for the pump.
I made an air vessel—also known as an air chamber. The pressure relief valve isn't being mounted on top of the air chamber, as called for in the plans, but rather on the valve cover. I fabricated a valve for this purpose.

Best regards, Michael
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redhouseluv
Reply #34 · 28 Jun 2026, 18:38
Hiw did you get the copper colour on the brass air vessel? Looks really nice with the tap on top :popcorn: :ThumbsUp:
Michael S.
Reply #35 · 28 Jun 2026, 18:58
Hello Sanjay, that is a 15 mm copper pipe. It is soldered to the brass caps using silver solder.
crueby
Reply #37 · 28 Jun 2026, 19:29
Wonderful little valve - I like how you drilled the hole in the valve stem.  Here in the US the pump manufacturers called that a 'force chamber', to take up the pressure waves from the pump motion and keep them from hammering the water pipes downstream.
PaulR
Reply #38 · 28 Jun 2026, 21:40
Quote from: Michael S.I have a stock of brass parts with various internal and external threads; they always come in handy for jobs like this.

:ThumbsUp: I'm gradually acquiring a bunch of these 'widgets' as well, at the minute they're all living in one drawer, I really need to separate and label them.
Michael S.
Reply #39 · 4 Jul 2026, 20:34
Over the last few days, I managed to make a few more valves and an oil reservoir with a valve. I wanted to bend the handle on the oil reservoir's valve; I know this has to be done very slowly, but it snapped off anyway. This was likely because the handle was too short and the brass material was too brittle.
I was able to reattach it using silver solder.
Three drain valves were also produced; they feature an M5 x 0.5 thread at the end for connecting a pipe.
Now all the holes in the cylinder and valve chest are sealed, and I could start working on the eccentric.

Michael
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Last edit: 4 Jul 2026, 20:37 by Michael S.
krt2
Reply #41 · 4 Jul 2026, 20:51
Those are the cutest little valves!  Nice work, Michael!  :ThumbsUp: :popcorn: :popcorn:

Kim
redhouseluv
Reply #42 · 4 Jul 2026, 20:52
Yeah I agree, they look great, well done, its looking better day by day, post by post  :) :popcorn: :ThumbsUp:
Michael S.
Reply #43 · 5 Jul 2026, 19:27
Thanks Chris, Kim and Sanjay  :cheers:

Today was eccentric day. The weather bears no resemblance to July, and the climate in the workshop is perfect.
I still need to make the connection to the valve rods.

Michael
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redhouseluv
Reply #44 · 5 Jul 2026, 20:45
Everyday is an eccentric day in our household .......according to my wife!  ;D

Its definitely getting there, not long and we'll be able to see some pumping  :popcorn: :ThumbsUp:

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