Your Sidemount BCD is a harness with a bladder and a somewhat intricate system of sliding D-rings, bungee cords, and clips. Their position and fit are crucial for your tank position and trim later in the water and your instructor will probably spend quite a bit of time to get them just right.
It is becoming more popular to do technical diving and we were immediately drawn to it at Girls that ScubaHQ! We had many questions and nerves, so we went to Theresia Gollner, who is working at Blue Marlin Gili T in Lombok. We were given an introduction to twin sets by her and then she let us in on the amazing world of technical diving. Here are the lessons she gave us:
Interested in becoming a Sidemount diver? You have come to the right place as this post is all about the nitty-gritty of what is involved!
Academics – The academic portions of a technical course are very similar to any other scuba class. Students will do some self study and bring the new knowledge to a discussion with their instructor. The dive planning aspects for a technical course are significantly extended from what most individuals are used to but a vital part of executing a successful dive. In overhead and decompression diving, the gas management portions of the planning discussion will take longer than most divers are used to. They even utilize a computer program to calculate their gas volumes and reserves required for the dive.
The next day was technical sidemount. This means that we added our deco 50 and 100 percent oxygen tanks on either side. This can increase your profile underwater. It is important that you keep your tanks as small as possible. The clips can be found on each side. As your tanks become buoyant, you will adjust your tank position to fit the second clip. Here, the goal is to be as efficient as possible. Each few minutes, you switch your breathing between the tanks. By doing this, the pressure in each of the tanks will decrease at roughly the exact same rate. In the event that a tank or regulator fails you will still be able to breathe. It is important to gain experience with any new thing. I spent the next few nights doing deco dives with the sidemount rig. I was buddied with Evolution coowner David Joyce who is a very experienced Tec diver as well as a Trimix instructor. One dive saw us visit the Japanese Mogami Japanese Mogami sank at 164 feet. It was here that I was seduced by old gas masks and uniforms as well as a few bones.
All Tec diving lessons, open circuit and closed circuit rebreather, as well as technical scuba dive classes, are held at Scotty’s dive center headquarters facility in Mactan. If you aren't a Shangrila hotel guest, you can still walk in or we can pick up you at your hotel.
How To Become A Sidemount Technical Scuba Diver BoatDo not worry about how it all will come together. A large part of the course teaches you how to set up Sidemount equipment and how to adjust bungees to ensure your tanks are in good shape. Your instructor will be there to help you through it all!
Mentality - Technical diving still has its fun side. It's about seeing cool stuff, just as sport diving. But technical divers see things longer, deeper and more hidden than the sport diver. Although technical divers are still fun-focused, they are also regularly focused. There are still jokes to be made and laughs can be had. But, diving planning and execution must be done with a sense of seriousness. Divers are exposed to risks.
Due to the issues with single-orifice doubles or backmounted independents (which are not as common in modern diving), backmounted doubles were invented. Independents are two independent cylinders attached to one's back, with independent regulators for each. One cylinder was sufficient to take care of a failed 1st Stage. Single orifice duplicates were two cylinders linked with a valve and one regulator. A single orifice doubles set would cause all gas to be lost if a first stage fails. These problems can be eliminated with the modern isolated manifolds. Each cylinder can work independently but divers can also inhale gas from both of them through one regulator. These doubles are typically held together with metal bands. The valves can also be linked with an isolation device, which allows them to be seperated if required. Backmounted doubles diving offers a profile that's vertically identical to regular single-cylinder backmount.
In addition, your Sidemount rig includes tank bands, clips, and probably some more bungees to stow away your regs nicely. The clips will be connected to your harness and again, their position is important for the position of your tanks.
At first, technical diving was not something that interested me. I can clearly recall chuckling to my self at the Tec divers I observed, and wondering why anyone would want to have more equipment under water. I love the feeling of freedom and closeness to nature that can envelope you in "the quiet world". Tom was a respected teacher who I felt it was important to share my experience in Tec courses with.
The Sidemount dive setup is slightly different from the backmount, as is the equipment.
Television, magazines and stories from friends - no matter what source, the idea of exploring the underwater world is captivating and thrilling. What can we do to keep exploring the underwater world? What is technical diving exactly?
The freedom of movement of the head for sidemount divers is very attractive where a twinset can always be felt in the neck by a diver…something to get used to.
Have a PADI Deep Specialty Instructor certification or have completed a PADI Deep Specialty Instructor course. Have at least 100 logged dives, including at least 20 enriched air dives, 25 dives deeper than 18 meters/60 feet, and 15 dives deeper than 30 meters/100 feet. You can become a Tec 45 diver.
To register for the PADI Advanced Rebreather Diver course, you must first: You must be a PADI Open Water Diver, but you must also be a PADI Advanced Open Water Diver to become a PADI Advanced Rebreather Diver. Have at least 30 dives under your belt.
- Increased Bottom Time A Closed Circuit diver is not concerned with running out of gas because they are only limited by decompression. This can also be reduced by selecting an oxygen partial pressure that provides the diver with virtually limitless bottom times in 60 feet or less of water.