(คลิป) DIY วิธีการทำปั๊มน้ำพลังงานฟรี : วีดีโอ เกษตร
How to make a hydraulic improved version of hydraulic ram pump which requires no electricity and no motor. This pump consisting of four brass check valve which increase pressure and water output.
NOTE : This pump uses falling water to lift a lesser amount of water to a higher elevation than the source. So, being primarily used for lifting relatively small amount of water to a higher elevation. if you want to deliver 2 cubic meter of water to an elevated location, you need at least 6 cubic meters of water to operate the pump 4 cubic meters of which will be used to drive the pump and goes directly as waste.
ที่มา Youtube Channel : Junkyard – Origin of Creativity
ดูคลิป : https://www.youtube.com/watch?v=rm4heapuWaM