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Cis-Lunar originally aimed to develop space suit kits, but the early 2000s recession reportedly hindered its ability to finance the mass production of the MK5 rebreather, which featured designs intended to reduce system and mission failures. [2] In 2005, the Swedish diving equipment manufacturer Poseidon acquired Cis-Lunar's technology.
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Stone grew up in Pennsylvania. [1] He was an active caver in the Rensselaer Polytechnic Institute 's Outing Club [ 3 ] while studying for a B.S. in Civil Engineering , awarded in 1974. [ 4 ] In 1976, while studying engineering at the University of Texas at Austin , Stone took part in an expedition to the Sistema Huautla in Oaxaca , Mexico ...
Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...
Lambertsen designed a series of rebreathers in 1940 (patent filing date: 16 Dec 1940) and in 1944 (patent issue date: 2 May 1944) [1] and first called his invention breathing apparatus. Later, after the war, he called it Laru ( acronym for Lambertsen Amphibious Respiratory Unit ) and finally, in 1952, he changed his invention's name again to ...
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Depth on a rebreather; Depth in a cave on a rebreather; Depth at altitude on a rebreather; Depth running a line; He used a Mk15.5 with Juergensen Marine Hammerhead electronics and the following gas mixtures: trimix 4/80, 10/70, 15/55, 17/40, 26/25, air, nitrox50, 100% oxygen. The cave elevation was 1,550 metres (5,090 ft) and the dive duration ...
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