Archive image from page 77 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 Figure 44. Residual stresses not removed by annealing in a 15-inch-diameter capsule with cast-in-place joints. This method of assembling and bonding the capsule possessed several disadvantages not present in the method of assembly used on solvent-bonded models, which permitted bonding of all 12 pentagons in one operation. These disadvantages were (1) difficulty in checking the sphericity of the assembled hemis
Archive image from page 77 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 Figure 44. Residual stresses not removed by annealing in a 15-inch-diameter capsule with cast-in-place joints. This method of assembling and bonding the capsule possessed several disadvantages not present in the method of assembly used on solvent-bonded models, which permitted bonding of all 12 pentagons in one operation. These disadvantages were (1) difficulty in checking the sphericity of the assembled hemisphere prior to bonding, (2) distribution of dimensional mismatches between individual pentagons over the surface of a hemisphere only, and (3) inability to accomplish a perfect match between the irregular joint sur- faces of the two mating hemispheres. But it was hoped that with proper attention to the sphericity and diameter of each individual hemisphere, a capsule could be assembled with small deviations from nominal diameter and sphericity. 74
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Photo credit: © Actep Burstov / Alamy / Afripics
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Keywords: 1970, archive, book, bookauthor, bookdecade, bookpublisher, booksubject, bookyear, drawing, historical, history, hulls_naval_architecture_, illustration, image, naval_civil_engineering_laboratory_port_hueneme_calif, page, picture, port_hueneme_calif_u_s_naval_civil_engineering_lab, print, reference, stachiw_jerry_d_1931_, submersibles, vintage
