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Silvia - Rotary Pump?

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  • #31
    I did consider a 90 degree elbow on the back. However, after doing some research on rotary vane pumps in general, it is considered not good practice to have 90 degree bends that close to the pump. It creates too much water turbulence. In some cases, this will cause the pump to have a loud, high pitched sound. It can also make the pump wear out prematurely. The less cavitation or bubbles being introduced into the water, the better.
    So, where possible, I used slow progressive bends.
    When I have time, I’ll explain everything properly (as best as I can)

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    • #32
      Hi Hoggy42,
      Thank you very much.
      I’m not familiar with the Expobar, so I couldn’t say.
      As for the electrical side of things....Definitely Not just a plug and play. Also, I had to add a solenoid that would shut off the water during the steaming phase. Otherwise, the boiler would keep filing up with water (being connected to mains water).

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      • #33
        Some of the early (Mid 60's) OMRE Quick Mill domestic machines came with a rotary pump. They are even smaller than a Silvia.
        here's a pic of one swiped from the internet
        Attached Files

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        • #34
          To keep this thread on topic the rifle/cartridge posts have been moved to this thread: https://coffeesnobs.com.au/off-topic...cartridge.html


          Java ".460 Weatherby Mk. V" phile
          Toys! I must have new toys!!!

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          • #35
            Wow Aaron. That is a small machine. I’d like to see under the hood.

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            • #36
              Originally posted by SNIPER762 View Post
              Wow Aaron. That is a small machine. I’d like to see under the hood.
              Here are some "under the hood" photos of this small machine, but mainly from its rotary pump
              https://www.kaffee-netz.de/threads/quick-mill-omre-automatika.113080/


              btw, great job! I wanted to give my silvia a rotary pump as well and found this thread, thanks for the inspriation.

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              • #37
                Also inspired by SNIPER762's photos, I am currently working on my Silvia with rotary vane pump and tank.
                Few photos and two videos from first tests can be seen here:
                https://www.kaffee-netz.de/threads/r...e-tank.127257/

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                • #38
                  Originally posted by SNIPER762 View Post
                  The other couple show the complete machine, without the stainless steel rear cover plate.
                  That is impressive, it looks like the pump only just fits!

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                  • #39
                    Ive been thinking about getting a silvia for poops and giggles, then I saw this thread
                    god damnit Im trying to learns electrical course atm!!! facepalm....

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