Table C-19. Hydrostatic Test Data for Nominal 3.33-Inch (D;) -5.00-Inch (Dq) 

 Flat Acrylic Windows, Test Specimens 91 -95 



(Sealed with grease; 



radial cl 



earance 0.002 to 0.005 inch 



; nomina 



Dq/D] ratio 1.50) 





Parameter 



Specimen Number 



Value 





















91 



92 



93 



94 



95 



Max 



Avg 



Min 



Thickness (in.) 



0.360 



0.347 



0.347 



0.348 



0.349 



0.360 



0.350 



0.347 



D (actual, in.) 



4.995 



4.996 



4.995 



4.995 



4.994 



4.996 



4.995 



4.994 



Temperature (°F) 



70 



71 



65 



66 



66 



71 



68 



65 



t/D; Ratio (actual) 



0.104 



0.102 



0.102 



0.102 



0.102 



0.104 



0.102 



0.102 



Pressurization Rate (psi/min) 



760 



690 



840l/ 



687 



688 



760 



671 



687 



Pressure (psi) 



Axial D 



isplaceme 



nt of Cer 



ter Point 



on Window's Low- 



Pressure 1 



ace (in.) 



100 



0.003 



0.016 



0.024 



0.039 



0.032 



0.039 



0.023 



0.003 



200 



0.026 



0.032 



0.044 



0.050 



0.046 



0.050 



0.040 



0.026 



300 



0.039 



0.045 





0.065 



0.060 



0.065 



0.050 



0.039 



400 



0.053 



0.096 



0.073 



0.079 



0.077 



0.096 



0.076 



0.053 



500 





0.124 



0.086 



0.092 



0.091 



0.124 



0.095 



0.086 



600 







0.101 













700 







0.115 













800 







0.132ly 













Displacement at Failure (in.) 





0.131 



0.132 



0.107 



0.103 



0.132 



0.118 



0.103 



Pressure at Failure (psi) 



570 



545 



Booly 



590 



570 



590 



569 



545 



\i Not included in averaged values. 



67 



