Fiberglass Chorocteristics 



Curvt 



Mmriol 



Deniity, lb/In' 



ff.pti 



E.pti 



Bulkhead Spocing 



Diometer 



1 



Glau-nbv 

 Rlinfortfd 

 Plullc 



0.07 



70,000 4.e«IO* 



1.5 



2 



0.07 



100,000 



48>I0* 



1.0 



3 



0.075 



90,000 



6.0«I0* 



15 



4 



5 



0.08 



100,000 



10.10* 



2.0 



008 



150,000 



lO'lO* 



1.5 



6 



0.08 



200,000 



IO«IO* 



1.0 



r 



Sl««l- 

 Fi lament 

 Reinforced 

 Plostic 



0.186 



150,000 



12 'lo' 



1.5 



Weight of Hall Structure 

 Weight of Water Displaced 



Figure 20 - Strength- Weight Characteristics of Ring-Stiffened Cylindrical 

 Pressure Hulls Made of Different Materials 



117 



