Lunar drill takes lunar surface cores to depths of 100 feet and is being developed to the samples at greater depths. The wireline drill system has been adapted to operate in the lunar environment by providing a sealed dc motor and solid metallic base lubricants.
Development of lunar drill to take core samples to 100-foot depths
01.12.1967
Sonstige
Keine Angabe
Englisch
Stabilization of lunar core samples
NTRS | 1974
|DESIGN AND DEVELOPMENT TAKE RESON TO NEW DEPTHS
British Library Online Contents | 2009
Lunar drill feasibility study Final report
NTRS | 1961