Aqualung (short for self-contained underwater breathing apparatus) is an acronym for underwater diving (also known as free diving), which is swimming done underwater with the least amount of equipment possible, such as a skin-dive. Some of our gear is only useful in fast water, such as an inland waterway. The first thing to keep in mind is that dealing with the force of running water must be done safely. Diving a fast-moving body of water is, in my opinion, a potentially brutal sport diving environment.
Due to the fact that low visibility and quick water require different equipment than regions with excellent visibility and low current, such as tropical open-water resorts, the equipment must be strong enough to withstand the forces imposed on it. When applied to watercourse waters, however, some typical methods in less difficult open water may be inadequate or even dangerous, as current strength will displace a thousand-foot commercial ship from its intended course.
Flag that Remains Flying All the Time
It’s possible that the stationary flag is a standard diving flag, suspended from a long, thin tube float (easier to handle than an outsized rig on afloat). The rope’s length (in this case, 20 feet) is fixed to keep the anchor line’s reach to the flag as small as possible. The exact length will be determined by your location. The rope is eye-spliced at both ends. In order to keep the float and anchor (12 pounds each) attached, locking carabiners are used on the rope.
Flag of the Driftway
It is possible to build the drift flag rig so that the flag is high enough for boaters to see while dispersing the watercourse’s draw evenly between both dives. We usually use a single line from the float divers to do this. The rod contains eye-spliced loops on both ends and is fixed to a length that is 1.5 – 2.0 times our expected depth. With a lockup rifleman (a rock-climber device, see below) between the line’s attention splice and a figure-eight (a float’s inner tube is connected by a rod).
Displaying Information on a Console
Console gauges are prone to damage from spills and other accidents. Instead of using the standard 1/4″ Plexiglas, they mould it to fit over the console, shielding our gauges from harm. During the dive, we keep the console between the diver and the tank on our back, so that the diver can see it. As a result, gauges are easily accessible, divers remain productive, and gauges aren’t dragged down to the bottom where they can get hooked. Because of the flat surface provided by the Plexiglas, the console can be placed just about anywhere.
Lights and Knives
A minimum of two knives is required for watercourse diving. In an ideal world, the enormous knife would be carried in a highly customised knife pocket on the thigh. Lower-leg knives are too easily snagged. To prevent snagging, the knife straps should be trimmed.
Exploring underwater buildings or wrecks will be much easier with the use of lights. On our carpus “instrument cuff” where we keep the knife, they’ve installed long cylindrical lights (of the Super-Q type). This removes the risk of a lanyard becoming snagged and frees up both hands. The direction of illumination can be changed simply by moving the arm.
Gloves are typically used to protect one’s hands from cuts and abrasions (i.e., as a cover). Gloves will be particularly vulnerable to the abrasiveness of the bottoms of watercourses. To keep our dry-suit gloves safe, we often wear a cotton-backed, rough-textured, synthetic rubber lab glove over them. When using wrist bands, the outer glove is slid over the ring and tightened to help safeguard the more delicate inner glove. Kevlar fertile gloves have become typical equipment with wet suits because of their tough durability.
The primary purpose of all speciality settings’ instrumentality is to enhance diver safety and performance in a private, specialised setting. Since no universal system applies to all diving habitats, all divers, and all diving conditions, there is NO UNIVERSAL SYSTEM.