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Small rotary machines

32 bytes added, 00:24, 1 June 2012
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[[Image:Jetting icon.png|right]]
[[Image:PAT drill 301T.jpg|thumb|right|250px|PAT drill 301T]][[Image:Rockbuster R77.jpg|thumb|right|250px|Rock buster R77]][[Image:Eureka port-a-rig.jpg|thumb|right|250px|Eureka port-a-rig]][[Image:Deep rock DR20.jpg|thumb|right|250px|Deep rock DR20]]__NOTOC__
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).
 
 
{|border="1" cellpadding="5"
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|[[Image:PAT drill 301T.jpg|thumb|right|250px|PAT drill 301T]]
|[[Image:Rockbuster R77.jpg|thumb|right|250px|Rock buster R77]]
|[[Image:Eureka port-a-rig.jpg|thumb|right|250px|Eureka port-a-rig]]
|[[Image:Deep rock DR20.jpg|thumb|right|250px|Deep rock DR20]]
|}
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