The 4-Inch Drill is an electromechanical ice coring drill that takes a 104 mm diameter core. Cores can be retrieved from depths down to approximately 400 meters. Winches for 100, 200, and 400 meter cables are available. The drill is of a mature design and has been used very successfully for many years. It is particularly useful on projects requiring a larger diameter core. The drill can be transported by light aircraft or helicopter.
This video was shot during the 2006-07 field season at WAIS Divide, Antarctica. The drillers are Michael Jayred and Beth Bergeron.
For more information about the 4-Inch Drill, visit:
http://icedrill.org/equipment/4inch.shtml
Video courtesy of RPSC/NSF.
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