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Hand auger - Vonder rig

1 byte added, 05:05, 27 April 2012
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[[Image:Treadle_pump_icon.png|right]]
[[Image:Work table and auger bitVonder rig in action.jpg|thumb|right|300px|Work table and auger bitVonder rig in action]] 
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The Vonder rig is a [[Hand auger - general|hand auger method]] method that uses a heavy tripod, a winch, and a working table. It has been used extensively in Zimbabwe and distributed widely in sub-Saharan Africa. The cutting tool (auger head) is rotated to cut into the ground, and then withdrawn to remove excavated material. This is repeated until the required depth is reached.
- Slow compared with other methods.
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[[Image:Vonder rig in action.jpg|thumb|right|300px|Vonder rig in action]]
====Suppliers====
[[Image:Work table and auger bit.jpg|thumb|right|300px|Work table and auger bit.]]
 
* V&W Engineering Ltd, Zimbabwe (49 Leyland Road, P.O.Box 131,Harare). - Produces the Vonder rig.
* Van Reekum Materials, Netherlands - Drilling equipment, hand auger and percussion drilling - http://www.reekum.nl
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