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<div>Alan,</div><div>You could have a lock that prevents the hatch mechanism from opening that is activated by turning the hatch vent. I always vent before I one the hatch anyways.</div><div>Hank</div><div><br></div>
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On Friday, December 29, 2017, 11:09:03 PM MST, Alan via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div dir="ltr">Just doing some evening reading of the GL rules & noticed this rule about hatches....<br></div><div dir="ltr">"the closing mechanism is to be designed in such a way that opening of<br></div><div dir="ltr">the hatch is only possible after pressure equalisation" <br></div><div dir="ltr">I am wondering what options there are for achieving this.<br></div><div dir="ltr">Has anyone had experience of the hatch opening with explosive force due<br></div><div dir="ltr">to internal over-pressure not being equalised.<br></div><div dir="ltr">Alan <br></div><div dir="ltr"><br></div><div dir="ltr">Sent from my iPad<br></div><div dir="ltr"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">Personal_Submersibles mailing list<br></div><div dir="ltr"><a ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br></div><div dir="ltr"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div></div>
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