MODIFICATION OF A TWO-WHEELED TRACTOR FOR MOVEMENT OF SAND IN DRYDOCKS.
Abstract
A previous study revealed that the areas near keel and bilge blocks in drydocks did not allow sufficient overhead clerance for mechanical sand removal equipment. The Gravely two-wheeled walked tractor, which is in use in many Navy yards in the sand removal operation, was modified in order to provide a low profile unit that could readily move under the ship in most docking situations. This description is given so that Navy yards can accomplish the modification at a minimum cost if it can be used profitably in their installations. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 16, 1965
- Accession Number
- AD0467386
Entities
People
- J. J. Doman
- Sheldon Phelps
Organizations
- Naval Facilities Engineering Service Center