Table D-1. Calculation of Number of Links Off Seafloor at Zero Days 



Sphere 

 No. 



A 



Positive 



Buoyancy 



of Concrete 



Hull 



(lb) 



B 



Weight'' of 



Components 



on Hull 



(lb) 



C 



Weight" 



of 



Shackles 



(lb) 



D 



Apparent 



Weight 



Gain 



(Ib)^ 



E = A-[B + C + D] 



Net Positive 



Buoyancy 



(lb) 



F 



Chain 

 Size 

 (in.) 



G 



Weight" 



of Each 



Chain Link 



(lb/link) 



H = E/G 



Number 



of Links 



Off Seafloor 



1 



1,389 



395 



28 



40 



926 



2-1/4 



31.2 



29.7 



2 



1,389 



395 



28 



40 



926 



2-1/4 



31.2 



29.7 



3 



1,389 



395 



42 



35 



917 



2-1/4 



31.2 



29.4 



4 



1,389 



395 



42 



35 



917 



2-1/4 



31.2 



29.4 



5 



1,389 



395 



42 



30 



922 



2-1/4 



31.2 



29.6 



6 



1,389 



395 



42 



30 



922 



2-1/4 



31.2 



29.6 



7 



1,389 



335 



42 



30 



982 



2-1/4 



31.2 



31.5 



8 



1,389 



335 



42 



30 



982 



2-1/4 



31.2 



31.5 



9 



1,389 



335 



42 



25 



987 



2-1/4 



31.2 



31.6 



10 



1,389 



335 



42 



25 



987 



2-1/4 



31.2 



31.6 



11 



1,389 



335 



42 



25 



987 



2-1/4 



26.0 



38.0 



12 



1,389 



335 



28 



25 



1,001 



2-1/4 



31.2 



32.1 



13 



1,389 



335 



28 



25 



1,001 



2-1/4 



31.2 



32.1 



14 



1,389 



335 



28 



20 



1,006 



2 



20.8 



48.4 



15 



1,389 



335 



28 



20 



1,006 



2-1/4 



31.2 



32.2 



16 



1,389 



335 



42 



20 



992 



2-1/4 



31.2 



31.8 



17 



1,389 



485 



42 



15 



847 



2-1/8 



26.0 



32.6 



18 



1,389 



485 



42 



15 



847 



2-1/8 



26.0 



32.6 



In-water weight. 



Due to change in volume of sphere under load. 



33 



