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A scuba cylinder valve or pillar valve is a high pressure manually operated screw-down shut off valve fitted to the neck of a scuba cylinder to control breathing gas flow to and from the pressure vessel and to provide a connection with the scuba regulator or filling whip. [1]
Manufacturer of fishing, recreational, and touring kayaks - including the Carolina, Essence, Expression, Impulse, Prodigy, Tribe, Tribute, and Triumph models. [12] Perception Kayaks was founded by Bill Masters in the early 1970s. The company develops rotational molding of plastic kayaks, reducing the expense and maintenance of kayaks. [2]
The broader kayak categories today are 'sit-in' (SI), which is inspired mainly by traditional kayak forms, 'sit-on-top' (SOT), which evolved from paddle boards that were outfitted with footrests and a backrest, 'hybrid', which are essentially canoes featuring a narrower beam and a reduced free board enabling the paddler to propel them from the ...
Sea kayak decks typically include one or more hatches for easy access to the interior storage space inside. Kayak decks usually include attachment points for deck lines of various kinds, which are aids in self-rescue and attachment points for above-deck equipment or luggage. Cockpits can be of several designs. They can be large or small.
Paddle – used in kayaks and canoes for propulsion and made of plastic, wood, fiberglass, carbon fiber or metal. Paddles for use in kayaks are longer, with a blade on each end and are handled from the middle of the shaft; Paddle float – buoyance aid fitted to paddle used for re-entry into a kayak after a capsize in open water. It may also be ...
The Newtsuit has fully articulated, rotary joints in the arms and legs. These provide high mobility, while remaining largely unaffected by high pressures. An atmospheric diving suit (ADS), or single atmosphere diving suit is a small one-person articulated submersible which resembles a suit of armour, with elaborate pressure joints to allow articulation while maintaining an internal pressure of ...
The raft, the catamaran, the canoe and the kayak evolved depending on the needs and environment of the indigenous peoples in different parts of the world. The modern day kayak most likely originated about 8,000 years ago along the Siberian coast line by the Yupik and then transformed from the open canoe, via the Aleut and Inuit, into an ...