TABLE 5. TEST FOR TOTAL STRETCH OF WIRE CABLE 7 X 19 (150-FT LENGTH) 





Number of Turns 



Time 







Load 



To To 



From Start 



Stretch 





(lb) 



Unwind Wind 



(hr) 



(in. /50 ft) 



Notes 



1500 



319,8 



202.0 

 164.5 



130.8 

 95.0 



64.0 

 37.3 



14.8 

 4.5 



2.1 







4.79 



Data required were limited to 

 stretch characteristics after 

 preload; therefore, the prelim- 

 inary stretch measurement was 

 not taken. 





Load raised 75 feet 



48 



4.83 







Load lowered 75 feet 











90.5 











40.3 











11.0 











2.3 



72 



7.00 







1.0 



168 



7.04 





1000 



23.3 

 3.3 



1.3 

 Load raised 75 feet 

 Load lowered 75 feet 

 21.6 



3.3 

 1.1 



192 



240 



312 



6.12 

 6.50 





18 



