Twinset Fundamentals

The Twinset Fundamentals intro to Tec course introduces students to diving on twin cylinders, often referred to as twinsets or doubles, and the knowledge and techniques required for the safe use of twinsets. The course includes knowledge development, equipment configuration workshop, and dive training.

Many divers reach a point in their diving careers when they realize that a single-cylinder scuba unit just doesn’t cut it for the sort of diving they would like to do. Some divers have concerns about equipment redundancy, and safety, or they simply want to carry more gas so they can stay in the water longer. Many adventurous divers are eventually drawn to multiple cylinders.

Twinset Fundamentals is a PADI Distinctive Specialty Course authored by Kiwidivers Tec Instructor Trainer Kevin Black. It was first launched in 2005 when the PADI Tec Deep course was a single 10-day intensive course taking students from recreational divers to full technical 50m divers. The course was designed as a stepping stone for those who found converting straight from recreational single-tank diving to diving in a full technical configuration in cold water and dry suits too much of a step.

The course is still taught today for those wanting a one-day or two-day intro to tec type experience where you learn the correct technical configuration of twin cylinders and long hose gas sharing. It is ideal for someone wanting to get experience and practice diving on a twinset (double cylinders) prior to taking a PADI Tec 40 technical diving course.

On completion of the course, you are able to rent double cylinders for your recreational dives and dive within recreational limits in a technical configuration. This will give you the opportunity to practice things like shutdown drills before starting your technical training.