TABLE 13. TEST FOR TOTAL STRETCH OF PACIFIC TEST ROPE 7971A, 3 X 36, 

 SUPERSTEEL GALVANIZED, REGULAR LAY 3/8" DIAMETER 

 (100-FT LENGTH) 





Number of Turns 



Time 









Load 



To To 



From Start 



Stretch 







(lb) 



Unwind Wind 



(hr) 



(in. /50 ft) 



Notes 





39 













4000 



16 





2.5 











24 



3.06 



The lack of rotation is 



a unique 







144 



3.06 



characteristic . 





TABLE 14. TEST FOR TOTAL STRETCH OF 1 X 19 BETHANIZED FORMSET AIR- 

 CRAFT STRAND, 7/32" DIAMETER, WIRE ROPE, USED FOR THE 

 MOHOLE PROJECT (100-FT LENGTH) 



Load 

 (lb) 



Number of Turns 



To To 



Unwind Wind 



Time 

 From Start 

 (hr) 



Stretch 

 (in./50 ft) 



Notes 



39 

 4000 



Hanger) 



42 

 1.5 4 







24 

 120 



3.00 

 5.00 

 5.75 

 5.81 



Due to the urgency of this 

 problem no intermediate 

 loading was required. This 

 cable was tested for a specific 

 application. 



30 



