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The RF4 Program and Proceedings
The RF4 scientific program committee consists of Drs. John Clarke, Simon Mitchell, Neal Pollock, Frauke Tillmans, and journalist Michael Menduno. The four primary focal areas are diving safety, physiology, technology, and training. Proceedings of the meeting will be published and made publicly available. Do you know who they are? Check these interviews Save The Dates…
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Amazing what Charlie Roberson has accomplished
On Saturday, December 11, 2021, KUR divers Charlie Roberson and Andy Pitkin explored and surveyed 564 ft of new passage at the bottom of Mt. Doom. Originally explored in 2007, Mt. Doom was the deepest point in the cave at 407 ffw, until deeper sections were explored last season.
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John Clarke
John R. Clarke, Ph.D. (born November 20, 1945) is an American scientist, private pilot, and author. He served as Scientific Director at the United States Navy Experimental Diving Unit (NEDU). Clarke is recognized as a leading authority on rebreather engineering. He has an extensive academic career in biological and physiological sciences. He is an excellent…
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Rebreather Setting Leads to Dangerous Equipment Failure
that gear is used for. Servicing for regulators varies on the brand and type of equipment, so making sure the technician knows if it will be used on a close-circuit rebreather could have prevented an irregular pressure setting. It is always best before diving to double check your apparatus and check your line pressures to…
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Andy Fritz
A bold and humble person, highly intelligent with strategic thinking. No doubt that his actions inspire others to dream, learn more and become more… Feed RSS feed on the newsletter Andy Fritz started modifying Russian military rebreathers back in 1997 initially for personal use, but soon enough divers would travel to Thailand to get their rebreathers modernized…
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Pelagian approach to Instant Cell Validation
The second function of the ADV is provide a simple means to verify the accuracy of the oxygen sensors during a dive. As mentioned in the Set up chapter, oxygen sensors are unreliable and your best defense is to check them frequently. Additionally, during the course of a dive, every time the ADV triggers the…
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Poseidon Head made by Underwater Technologies
The Configuration of the head has the possibility to use up to three oxygen cells, two independent power supply sources (battery type: LiPo 18650) and a low-power solenoid Clippard. A discussion about solenoids and Kiss valve: A Kiss valve needs at least between 12-13 bar of pressure to works correctly, Clippart works with a very…
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AV-Underwater Technologies-reseña
Ordenador de buceo AV Underwater Technologies. Reseña y Cabezal para poseidon MKVI
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MK29 rebreather
Recently I spoke with John Clarke, on our conversation he mentioned that the NAVY is working on a CCR that could be used with umbilical as a backup; so if you still pondering about it, below are public-videos explaining the concept
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Inflammatory responses: Compartmental versus Ratio Deco.
Understanding the conclusion of a comparative evaluation of two decompression procedures for technical diving using inflammatory responses: Compartmental versus Ratio Deco.
Diveimmersion.org 