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Small rotary machines

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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).

===Manuals, videos, and links===

* [http://www.pat-drill.com PAT-Drill] - Engine powered drilling equipment and small machines.

* [http://www.lonestarbit.com Lone Star Bit] - Engine powered drilling equipment and small machines.

* [http://www.deeprock.com Deep Rock] - Engine powered drilling equipment and small machines.

* [http://www.drillingfab.com Drillingfab] - Engine powered drilling equipment and small machines.

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