What is a multistage water pump? This is a centrifugal pump that has more than one impeller between the inlet and outlet. This water pump is used when higher pressure is needed.
I have not seen that someone tries to build one soo I am happy to share with u my effort.
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More explanation for multistage water pump:
   • How Horizontal Multistage Centrifugal...  
   • How Multistage Centrifugal Pumps Work  

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775 DC motor: https://ali.ski/wmwba
Bearings: https://ali.ski/y1YkQ

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.stl files for multistage water pump: https://www.thingiverse.com/thing:465...
Storage box on my table: https://cults3d.com/en/3d-model/gadge...
Name sign on my table:    • 3D Printed Name Sign With LED Lights ...  
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