gravitational systems  

 

Gravitational systems, L.L.C.                           

New ideas for harvesting environmental power

   


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Competitive methods of animal watering
 
System Power Source Water Supply Capability Costs Notes
Barn Fed electrical well, etc. 27,000 Uday 0.3 Us (recommended) Very reliable. Low cost. Suitable for intensive grazing
Gravity fed Natural Gravity Spring, Drainage tile, cistern, pond depends on water source Airlock problems Requires elevation surveying. Overflow management at water source and/or trough. Continuous pumping system.
Pasture pump Livestock Shallow Water Sources 20 - 30 head 7 m lift or 70 m distance Keep foot valve clean. Suitable for small herds. Low cost & maintenance.
Hydraulic ram pump Falling water Stream, Spring 2,600-60,000 Uday 5-30 m lift per 1 m fall depends on model Requires a waterfall or a good slope. Detailed installation requirements. Continuous pumping system. Overflow mgt at pump & trough.
Slingpump Flowing water or wind River (lake) 3,000-15,000 L/day 8 - 25 m lift (water powered models) Requires sufficient water speed. Continuous pumping system. Overflow mgt at trough.
Solar powered pump Sun All depends on design Requires technical skills for installation and maintenance. Requires energy storage (battery or reservoir).
Wind powered pump air activated" Wind Pond, shallow well, etc. 27,000 Uday 6 m lift 300 rn distance Requires some skills for installation. Requires water storage. Continuous pumping system. Overflow mgt at trough or reservoir.
Transportable Cistern Electrical or fuel All depends on cistern capacity Labor intensive. Suitable for intensive grazing. Requires good water source for fill up.
Gas or battery powered pump Fuel or batteries All depends on model Labor intensive. Requires water storage. Requires good water source for fill up.
G-Pump Captured gravity All determined by traffic..demand sensitive Demand sensitive, low maintenance, makes best use of any source

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gravitational systems, L.L.C. 

P.O.Box 2066, Washington DC 20013-2066 USA

888-241-1577

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