Abstract
A relatively light-weight deep-sea coring winch using polypropylene rope instead of steel wire was designed and tested. When used in conjunction with a simple 750-kg gravity corer, it was found to be an inexpensive tool yielding good-quality cores, requiring only little ship time and manpower per coring station. The length of the cores obtained was found to be greatest for penetrating velocities of less than 0.5 m/sec (push coring). The transferability of this coring arrangement makes it possible in many cases to carry out deep-sea geological research without using costly specialised research vessels.
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