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Archimedes screw

223 bytes added, 07:36, 6 November 2012
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This simple screw pump can be viewed as a series of ramps around a central axle. As you turn the PVC pipe, you carry the water in small lifts from one ramp to another until it pours out of the top. It is much easier to pump water with a conveyor screw than to lift the water vertically, just like walking along a winding mountain path is easier than climbing straight up.
 
==Manuals, videos, and links==
* VIDEO: [http://youtu.be/5gq3Vm4vifU Tornillo de Arquímedes / Archimedes' screw]. An animated model, showing how the mechanics of the Archimedes Screw works to bring water up from a river.
==References==
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