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Hello All, I don't recall anyone talking about how fast you should allow your sub to fill with water for a wet exit. Of course the deeper you are the more dangerous every thing is. In the Captians book he just has you open the valve and quickly flood the sub once you've got your SCUBA equipment ready. My sub was an early model that doesn't have a valve, but a cap with a handle, that has a retaining rod, nut, and washer on the outside to keep the cap from hitting you and getting lost. I will replace this assembly with a valve and elbow like on Dan H's KH-350. http://www.frappr.com/?a=viewphoto&id=2384531&pid=10133638 http://www.frappr.com/?a=viewphoto&id=2384531&pid=10133677 My experience with hyperbaric chambers has taught me that you need to clear you ears constantly when your compressing up and that not everyone can do this at the same rate if at all. If your ears don't get cleared properly you need to reduce the pressure until you can clear your ears and then continue to compress up or you will do serious damage to your inner ear. If someone is unconcious in the sub with you I don't know how to clear there ears. We have this same issue when using hyperbaric chambers for animals. So I'm interested in your guys thoughts and personal experience in this matter. Regards, Brent Hartwig |