#ccr

Hi Everyone, glad to meet fellow divers! I learned to dive on the island of O'ahu. I live there during the summers and visit on-and-off the rest of the year. Initially I was just working my way through various certifications from PADI, NAUI, TDI, and, although I never want to stop learning, my...

On occasion I teach a CM Optima course here in cave country and along with anything you teach, you learn stuff while teaching and you re-learn stuff you already knew but was maybe on a back burner. This past week I taught two guys a Choptima class. I had previously taught them OC trimix at...

Looking at getting into CCR later this year. So far I have narrowed it down to three rebreathers: Kiss Sidewinder, Divesoft Liberty Sidemount, and Kiss Sidekick. I am getting into technical diving / cave diving and am looking for a very versatile rebreather. I am also diving deep into underwater...

Looking at getting into CCR later this year. So far I have narrowed it down to three rebreathers: Kiss Sidewinder, Divesoft Liberty Sidemount, and Kiss Sidekick. I am getting into technical diving / cave diving and am looking for a very versatile rebreather. I am also diving deep into underwater...

I have been playing with developing bailout plans for CCR dives. The approach I was trained on is to calculate gas required for safe ascent to surface taking into account all deco obligations from the worst possible point of the dive (typically the end of the bottom part of the dive). I would...

Since day one of my RB training as a student, as a diver and a RB instructor I have always used a HUD and felt like it was an integral part of a CCR. Now days not everyone feels like a HUD is essential and is an optional accessory on a CCR. How many here feel like a HUD is an...