Material 



Air weight, W^ 



Mass 



In-water weight, W^ 



Drag coefficient 



Hexagonal cylinder 



70 in. wide x 46 in. high 

 Concrete 

 21,800 1b 

 677 slug 

 12,100 lb 

 0.56 

 1.16 



Figure 22. Light test payload. 



22 



