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Results from testing of two rotary percussive drilling systems

Show simple item record Kriechbaum, Kristopher Brown, Kyle Cady, Ian von der Heydt, Max Klein, Kerry Kulczycki, Eric Okon, Avi 2015-05-14T23:26:34Z 2015-05-14T23:26:34Z 2010-03-14
dc.identifier.citation Earth & Space 2010 Conference, Honolulu, Hawaii, March 14-17, 2010 en_US
dc.identifier.clearanceno 10-0882
dc.description.abstract The developmental test program for the MSL (Mars Science Laboratory) rotary percussive drill examined the e ect of various drill input parameters on the drill pene- tration rate. Some of the input parameters tested were drill angle with respect to gravity and percussive impact energy. The suite of rocks tested ranged from a high strength basalt to soft Kaolinite clay. We developed a hole start routine to reduce high sideloads from bit walk. The ongoing development test program for the IMSAH (Integrated Mars Sample Acquisition and Handling) rotary percussive corer uses many of the same rocks as the MSL suite. An additional performance parameter is core integrity. The MSL development test drill and the IMSAH test drill use similar hardware to provide rotation and percussion. However, the MSL test drill uses external stabilizers, while the IMSAH test drill does not have external stabilization. In addition the IMSAH drill is a core drill, while the MSL drill uses a solid powdering bit. Results from the testing of these two related drilling systems is examined. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2010 en_US
dc.title Results from testing of two rotary percussive drilling systems en_US
dc.type Preprint en_US

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