pSCR, why not? / pSCR ¿por qué no?

English, Español sigue tras el post en inglés Unless you do cave diving, you may never consider a pSCR (passive semiclosed rebreather) as a good choice if you are planing to go rebreathers. Most likely, you would think on getting a mCCR or a eCCR, but never pSCR. Why? There are a few answers: first, … More pSCR, why not? / pSCR ¿por qué no?

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How to use a double bladder wing / Como utilizar un ala con doble vejiga

English, Español sigue tras el texto en inglés. In a previous post we already talked about when to leave connected and disconected the secondary bladder and why we do not recommend the use of a dry suit as a backup in deep tec dives. However, some people showed a lack of information about how to … More How to use a double bladder wing / Como utilizar un ala con doble vejiga

PADI TEC Rescue curse / Curso de rescate técnico de PADI

English, Español sigue tras el texto en inglés Jonas Samuelson and Andy Anderson, PADI members, wrote a couple of years ago what I consider a key point in tec diver education: a tec rescue course. It was fast approved by PADI as a Distinctive Specialty.  I think it´s a course all tec divers should end … More PADI TEC Rescue curse / Curso de rescate técnico de PADI

Teaching Tec50 with TMX only for the instructor / Enseñar Tec50 con TMX sólo para el instructor

English, Español sigue tras el texto en inglés In PADI Tec50 (unless the student and the instructor decides/can do it with TMX -the instructor should have the TMX rating instructor also), has to be done with air and eanx. As an instructor and diver I feel not so narcked at 50 m with air but … More Teaching Tec50 with TMX only for the instructor / Enseñar Tec50 con TMX sólo para el instructor

Deco stops for non tec divers (emergencies)/ Paradas de descompresión para buceadores recreativos (emergencias)

English, Español sigue tras el texto en inglés One thing that I do not understand from PADI is that, unless you do any kind of technical diving course, you receive very little information (or none) about decompression and how does it works. Even instructors are not taught how to react if they go into deco. … More Deco stops for non tec divers (emergencies)/ Paradas de descompresión para buceadores recreativos (emergencias)

When to leave connected the LPI to your secondary wing / Cuándo dejar conectado el inflador de tu ala secundaria

English, Español sigue tras el texto en inglés I´m pretty sure you know cases where the auxiliary LPI was connected, it started inflating the auxiliary wing accidentally, provoked a runaway ascent and killed the diver (unfortunately, we had one case a couple of years ago in South Africa). Also, you may know cases in which … More When to leave connected the LPI to your secondary wing / Cuándo dejar conectado el inflador de tu ala secundaria

Deep normoxic dives and the selection of gases / Buceos normóxicos profundos y la selección de gases

English, Español sigue tras el texto en inglés For full trimix divers, planing a normoxic dive is normally considered easy, provided they are not very long. Normally, the gas selection is straight forward (most divers would use 2 deco gases, a 50/? and O2 -or 72%) and the bottom mix is decided by depth (normally … More Deep normoxic dives and the selection of gases / Buceos normóxicos profundos y la selección de gases

Drysuit as a buoyancy bakcup in deep tec dives / Traje seco como sistema de flotabilidad de emergencia en inmersiones técnicas profundas

English, Español sigue tras el texto en inglés. Some people consider that you can use the drysuit as a buoyancy backup device in case your wing fails during a dive. According to the book, this is acceptable with single o double cylinder and just one deco gas. But not more. Why? Because the amount of … More Drysuit as a buoyancy bakcup in deep tec dives / Traje seco como sistema de flotabilidad de emergencia en inmersiones técnicas profundas

72% as substitute for 100% 02 in deco / 72% como substituto de 100% oxígeno en descompresión 

English, Español sigue tras texto en inglés I used to carry two permanent deco gases: a 50% (sometimes I add some helium depending on my back gas) and O2. Then, if the dive was too deep, I could add some other gases but those two were mandatory. And then I met Patrick Voorma and he … More 72% as substitute for 100% 02 in deco / 72% como substituto de 100% oxígeno en descompresión 

A small tag that could prevent changing to the wrong deco gas / Una marca adicional que puede evitar cambiar a un gas de descompresión equivocado

English, Español sigue tras el texto en inglés. Amazingly, one of the most common preventable causes of death in tec diving is changing to the wrong gas at depth. In our training, no matter the agency, gives lots of attention to the procedures of changing gases… but with time and experience lots of divers become … More A small tag that could prevent changing to the wrong deco gas / Una marca adicional que puede evitar cambiar a un gas de descompresión equivocado