Archive image from page 115 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 waterproof instrumentation cables (Figures 76 and 77) that were not overly sensitive to hydrostatic pressure. Oversensitivity would unduly influence the strain readings recorded by the externally located balancing and recording unit. Even though care was taken in selection of cables, the recorded strain data may include some of the effect of hydrostatic pressure on the instru- mentation cables. Tests conducte
Archive image from page 115 of Development of a spherical acrylic. Development of a spherical acrylic plastic pressure hull for hydrospace application . developmentofsph00stac Year: 1970 waterproof instrumentation cables (Figures 76 and 77) that were not overly sensitive to hydrostatic pressure. Oversensitivity would unduly influence the strain readings recorded by the externally located balancing and recording unit. Even though care was taken in selection of cables, the recorded strain data may include some of the effect of hydrostatic pressure on the instru- mentation cables. Tests conducted on the instrumentation cables have shown that although the effect of pressure on the cables was generally less than 10 x 10'6 (10 ) on the strain recording, a few of the cables were overly sensitive and increased the strain reading by as much as 100 Figure 72. Typical test setup for measuring the change in volume of 15-inch-diameter model. 112
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