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Small rotary machines

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[[Image:PAT drill 301T.jpg|thumb|right|150px250px|PAT drill 301T]][[Image:Rockbuster R77.jpg|thumb|right|150px250px|Rock buster R77]][[Image:Eureka port-a-rig.jpg|thumb|right|150px250px|Eureka port-a-rig]][[Image:Deep rock DR20.jpg|thumb|right|150px250px|Deep rock DR20]]
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A whole range of small drilling machines exist which can be towed by a car or built on the back of a pick-up, generally in the price range of US$ 5,000 – US$ 10,000. Most of these machines are limited to [[ Jetting - general |rotary jetting]] and [[Percussion - general|percussion]] (in the same way as the [[Percussion - Stone hammer|percussion gouge]]). The bigger machines and down-the-hole hammer systems are generally a lot more expensive (US$ 10,000).
A whole range of small drilling machines exist which can be towed by a car or built on the back of a pick-up, generally in the price range of US$ 5000 – US$ 10.000. Most of these machines are limited to [[ Jetting - general |rotary jetting]] and [[Percussion - general|percussion]] (in the same way as the [[Percussion - Stone hammer|percussion gouge]]). The bigger machines and down-the-hole hammer systems are generally a lot more expensive (>US$ 10.000). ==History and social context== ==Suitable conditions ==
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==Construction, operations and maintenance==
==Technical specification== ====Operation==== ====Maintenance==== ====Manufacturing ==== ==CostCosts==
==Country Field experiences==
==ManualsReference manuals, videos, and links==
* PAT-Drill - Engine powered drilling equipment and small machines – http://www.pat-drill.com
* Lone Star Bit - Engine powered drilling equipment and small machines - http://www.lonestarbit.com
* Drillingfab - Engine powered drilling equipment and small machines - http://www.drillingfab.com
==ReferencesAcknowledgements==
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