A GRAVITY CORER RELEASE MECHANISM: DESIGN AND TESTING.
Abstract
The corer release mechanism is a device which serves as the vehicle that permits free-fall coring. Analysis of existing release mechanisms has led to design of a versatile device which employs an upper lever arm safety that enables it to be armed after the corer has passed below the water surface. A quick-acting wire clamp is also included to assist in recovery procedures. The gravity corer operational tests that have been made provide a means of comparison when the device is and is not used. Variable free-fall heights were used with five different gravity corers and for four of the tested corers; best results were attained with a free-fall setting of five to seven feet. (author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1969
- Accession Number
- AD0700271
Entities
People
- Vernon Lamar Van Brackle Jr
Organizations
- Naval Postgraduate School