. Development of a spherical acrylic plastic pressure hull for hydrospace application. Hulls (Naval architecture); Submersibles. Figure 55. Measuring the sphericity of the bonded 66-inch-diameter capsule with a template having a nominal radius of 33 inches. The large-scale acrylic plastic capsule was dimensionally checked (Figures 55 and 56) in the same manner as the scale models by using a template, dial gage, feeler gages, and caliper mounted micrometers. All the dimensional control data taken on individual pentagons prior to assembly, and subsequently after bonding and annealing of the larg
. Development of a spherical acrylic plastic pressure hull for hydrospace application. Hulls (Naval architecture); Submersibles. Figure 55. Measuring the sphericity of the bonded 66-inch-diameter capsule with a template having a nominal radius of 33 inches. The large-scale acrylic plastic capsule was dimensionally checked (Figures 55 and 56) in the same manner as the scale models by using a template, dial gage, feeler gages, and caliper mounted micrometers. All the dimensional control data taken on individual pentagons prior to assembly, and subsequently after bonding and annealing of the large-scale acrylic plastic hull has been included in this report (Appendix A) to serve as a standard of comparison for (1) future operational large-scale NEMO hulls and (2) show the effect scaling up models has on dimensional deviations. The dimensional control data of the large-scale NEMO hull can be summarized here by stating that the wall thickness and internal sphericity of individual pentagons prior 84. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stachiw, Jerry D. , 1931-; Naval Civil Engineering Laboratory (Port Hueneme, Calif. ). Port Hueneme, Calif. : U. S. Naval Civil Engineering Laboratory
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