Table C-6. Hydrostatic Test Data for Nominal 1.50-Inch (D]) -2.25-Inch (D^) 

 Flat Acrylic Windows, Test Specimens 26-30 



(Sealed with grease; radial clearance 0.002 to 0.005 inch; nominal Dq/D| ratio 1.5) 



Parameter 



Specimen Number 



Value 





















26 



27 



28 



29 



30 



Max 



Avg 



Min 



Thickness (in.) 



0.122 



0.121 



0.123 



0.124 



0.126 



0.126 



0.123 



0.121 



Dq (actual, in.) 



2.246 



2.246 



2.245 



2.247 



2.246 



2.247 



2.246 



2.245 



Temperature (°F) 



66 



67 



67 



67 



68 



68 



67 



66 



t/D| ratio (actual) 



0.081 



0.081 



0.082 



0.083 



0.084 



0.084 



0.082 



0.081 



Pressurizotion Rate (psi/min) 



162 



188 



210 



173 





210 



183 



162 



Pressure (psi) 



Axial D 



ispiaceme 



nt of Center Point 



on Window's Low- 



Pressure 1 



ace (in.) 



50 



0.003 



0.035 



0.035 



0.012 



0.023 



0.035 



0.021 



0.003 



100 











0.045 





0.045 





Displacement at Failure (In.) 



0.045 



0.043 



0.039 



0.037 



0.050 



0.050 



0.043 



0.037 



Pressure at Failure (psi) 



74 



62 



61 



83 



129 



129 



94 



61 



Note: Grease liberal ly applied. 



54 



