Archive image from page 62 of Deep submersible logistic support design. Deep submersible logistic support design concept. deepsubmersiblel00byrn Year: 1972 FIGURE 7. BROKEN SPHERICAL SHELL thickness. Shell thickness for unbroken spheres of similar ASG was assumed to be similar. Figure 7 shows a sphere broken for this purpose. A measurement of selected chips after implosion showed no major deviation from this assumption. Ultrasonic or X-ray measurements of shell thickness would have been desirable, but the equipment was not available. Sphericity was measured semi-qualitatively by the repeated
Archive image from page 62 of Deep submersible logistic support design. Deep submersible logistic support design concept. deepsubmersiblel00byrn Year: 1972 FIGURE 7. BROKEN SPHERICAL SHELL thickness. Shell thickness for unbroken spheres of similar ASG was assumed to be similar. Figure 7 shows a sphere broken for this purpose. A measurement of selected chips after implosion showed no major deviation from this assumption. Ultrasonic or X-ray measurements of shell thickness would have been desirable, but the equipment was not available. Sphericity was measured semi-qualitatively by the repeated ability of a shell to roll freely on a flat surface and come to rest without preference to a particular axis of orientation. All two inch diameter spheres and one three inch diameter sphere passed the sphericity test. A more complicated device for sphericity measurements can be devised using a vise to hold the sphere on a turntable. A dial indicator fixed to a platform adjacent to the turntable would record any deviation in local sphere radius as the turntable was rotated. 30
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