RECOMMENDATIONS 



The following test procedures are recommended 

 to minimize damage during pressure tests if a 

 current meter should flood. 



• Limit the test to 30 meters instead of 200 

 meters. 



• Suspend the test as soon as any pressure 

 fluctuations in the test chamber are noted. 



• Have experienced i^ersonnel standing by to 

 remove and disassemble the meter if tliere is 

 any indication of flooding. 



• Keep the meter upright to prevent additional 

 damage from water or battery electrolyte 

 shorting energized circuits. 



The use of subsurface flotation is recommended. 

 While subsurface flotation is generally more ex- 

 pensive, an array using subsurface flotation is 



• As reliable as an array using surface flota- 

 tion. 



• Less susceptible to theft or collision. 



• Easier to launch because lighter ancliors can 

 be used. 



• Not affected by sea level changes due to tides 

 or waves, therefore, reducing dynamic 

 loading. 



It is recommended that sufficient back-up flo- 

 tation be used to insure recovery of any portion 

 of the array remaining if part of the array 

 should be damaged. Corning 16 inch glass 

 spheres, which can be attached anywhere in the 

 array, have been used successfully by Woods Hole 

 as secondary flotation. Two releases attached in 

 parallel would prevent the loss of an array if a 

 single release failed to operate. A long tag line 

 strong enough to lift the anchor would aid the 

 recovery ship if the releases failed and dragging 

 operations were required. 



REFERENCES 



Berteaux, H. O. (1968) Introduction to the statics of 

 single point moored systems. Woods Hole Oceano- 

 graphic Institution Technical Memorandum No. 

 11-68, May 1968, (Unpublished manuscript), ,52 pp. 



Berteaux, H. O. and R. G. Walden (1969) Analysis and 

 experimental evaluation of single point moored buoy 

 systems. Woods Hole Oceanograpiiio Institution 

 Reference No. 69-39, May 1969, (Unpublished manu- 

 script), 79 pp. 



Bretschneider, C. L. (1966) Overwater wind and wind 

 forces. In Handbook of Ocean and Underioater En- 



gineering, J. ,1. Meyers, C. H. Holm, R. F. McAllister, 



editors. McGraw-Hill, 12.2-12.24. 

 Shick, G B. (1964) The design of a deep moored oceano- 



graphic station. Buoy Technology Symposium., MTS, 



Washington, D. C, pp. 43-56. 

 Wolford, T. C. (1966) Oceanography of the Grand Banks 



region and the Labrador Sea in 1966. U. S. Coast 



Guard Oceanographic Report No. 13, (CG-373-13), 



176 pp. 



17 



