feature should be readily removable or by-passed when not re- 

 quired. A cable load indicator must also be included. 



f. It shall incorporate controlled torque for shockless stopping 

 and starting. 



g. It shall be capable of ascent-descent rates of up to 150 

 meter s /minute. 



h. The operating depth range of this equipmient shall be to 

 6, 500 fathoms (0 to 39, 000 feet). 



i. It shall be capable of performing with an in-haul dynamic 

 load of 8, 000 lbs. , and of withstanding a "break-load" of ZO, 000 

 lbs. 



j. It shall include an emiergency retrieval system. 



k. Although the largest and the highest priority winch is des- 

 cribed here, it should be the basis of a series of standard-type, 

 var ying-sized winches. 



Potential Users and Estimated Number of Units Which They May 

 Require: 



a. U. S. Navy (basic research, applied research, and oceano- 

 graphic survey ships) - 15 to 30. 



b. U. S. Coast and Geodetic Survey - 6 to 15. 



c. Certain activities within scientific community - 10 to ZO. 



d. Bureau of Commercial Fisheries - Z. 



Total: 33 to 67. 



Recommendation Where Instrument Should Be Reseoirched and 

 Developed: 



U. S. Industry. 



367 



