About 15 years ago, I tinkered with two Meg rebreathers, attempting to construct a sidemount oriented rig that might buy me space in tight cave environments. I was intent on...
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Whether you are rebreather curious or experienced, join Jill Heinerth for a half-day workshop on rebreather diving. Her 20+ years of CCR diving wisdom will make you a safer diver.
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In 1997, members of the U.S. Deep Caving Team were preparing for a ground breaking project at Wakulla Springs. We had shiny new Cis-Lunar Mk5P rebreathers but little formal instruction....
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Jill Heinerth, Dec. 10, 2016 Jill Heinerth serves as the documentarian for the Abaco Blue Holes Project. Her hybrid career includes teaching, photo-journalism, motivational speaking, consulting and pretty much anything...
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Finally some real data exists comparing the relative durations of Sofnolime 797 versus Spherasorb. Rosemary Lunn of The Underwater Marketing Company posted this to X-Ray Magazine describing recent scientific studies on sorb.
Peter Seupel from Aquanauts Grenada prepares his rebreather on the bench of one of his well appointed Newton dive boats. As he and his partner near completion of their gear,...
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Calibration Errors on a Shearwater Petrel Q. I’m trying to calibrate my unit. The HUD shows 1.0 with green and yellow rows of lights. I have fully flushed with oxygen. The handset reads .97, .98 and 1.00 already. The millivolts on the first screen look right and are in range. What is it failing calibration? Looking at the failure screen the millivolts are off the charts, each reading over 200? What’s going on? A. Check your System Settings. Ensure the Calibration O2 is the correct value. After a battery failure, numerous parameters in your computer such as “units” reset. Your…
Mask, fins, rebreather and you are ready to go, right? There are many small items that you might not think about that can ruin a trip in their absence. Power Inquire about the local power supply. As an example, Mexico has the same current as the US, but many wall outlets do not have grounding plugs. You will need to purchase “cheaters” that convert your three-prong plugs to two-prong. Power strips are worth their weight in gold since wall outlets may be few and far between. In Europe, recessed wall plugs may not fit the fancy converter you bought at…
When using a car and boat, your dive destination may be a lot closer to home, but there are still a few special tips to consider. Bring extra bungee cords for boat travel. Many boats are specifically constructed for single tank divers. The benches may be awkward for a rebreather diver. Bring your own method of securing the rebreather to the bench or the floor. Consider the orientation of your rebreather scrubber. If your rebreather is lying on its back, vibrating on a moving boat or in a car for hours, will your particular canister design be subjected to drastic…
Jill Heinerth has created a free new video resource for users of the Hollis PRISM2 Rebreather Shearwater Heads Up Display (HUD). View here on YouTube.
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