TABLE 2. TEST FOR TOTAL STRETCH OF 0. 170" DIA. CABLE (50-FT LENGTH) 





Number of Turns 



Time 







Load 



To To 



From Start 



Stretch 





(lb) 



Unwind Wind 



(hr) 



(in. /50 ft) 



Notes 



500 



137.0 



56 



54.4 





 18 







10.00 

 10.12 





300 



67.75 

 51.5 



23 







100 





42 



6.00 





Load released 



Load released 



4.50 



100 



40.0 



25.5 









 3.0 





300 



84.25 



48.0 



4 



7 







500 



104.75 

 37.5 

 8.25 



51.25 



16.00 



3.5 



96 



10.00 





500 







101 



10.12 





6.00 



" 



Cable removed from tower, 

 coiled in 2-ft circle, allowed to 

 relax for 175 hr at 70°F. 



Cable measured; it had returned 

 to original length and was in 

 good condition. 



15 



