1180 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1957 



In Table III we have indicated computed high- velocity H values as 

 a function of the unit weight w and the diameter d of a cable. Table IV 

 shows the computed high-velocity Co and H for various gauge piano 

 wire. The American Steel and Wire gauge scale is used in this tabulation. 



Table III — Computed Values of the Hydrodynamic 

 Constant H in Degree-Knots for Smooth Cable 



Table IV — Computed Cd and H Values of Piano Wire 



APPENDIX C 



Some Approximate Solutions for Laying and Recovery 



c.i Laying 



We assume that the tangential drag and the centrifugal forces are 

 negligible. Then, since for laying ^ d ^ t, (18a) by virtue of (21) be- 

 comes 



w 



+ 2/) 



\- A sm 6 



as 



cos 9=0. 



(61) 



