It all started when i wanted to water-cool my PC, i search for a water- pumps on Sri-lankan market and didn't find any good one but i manage to find a fish tank clening pump but it was expensive and noise. so i started to search on E-bay but they were expensive to ship to Sri lanka. so i did some research on the internet about home build water pumps and got some idea on centrifugal water pumps and how they work... when i was a small boy i saw a plumber repairing household water pump and wondered how it work. Because at that time i couldn't understand how a spinning wheel could pump water. Wikipedia about Centrifugal pump http://en.wikipedia.org/wiki/Centrifugal_pump The challenge was to make a water pump, from what every i can get my hands on; around the house so that i could keep my cost to minimum and have fun enjoying building it .... Motor inside a coke...
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