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Please refer to Jerry Stachiw’s tome of acrylic ports,
he is adamant about not using O-rings with submersible domes and ports…they
cause a localization of stress. He wife reiterated and was adamant about this
point during the Holland conference. Stachiw’s numerous experiments
that proved this point are well documented in the book. The standards for
acrylic domes and ports installation in subs were developed from his work (and
if I remember correctly, which he wrote). While early subs used O-rings, this was found to be
hazardous so later designs employed gasket material and/or bedding compounds.
These are actually easier to work with that having to cut O-ring surfaces. Respectfully, Jay K. Jeffries Andros Is., Bahamas Talk sense to a fool and he calls you foolish. - Euripides (484 BC - 406 BC) |