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Diver with chest-mounted rebreather. Chest mount is fairly common for military oxygen rebreathers, which are usually relatively compact and light. It allows easy reach of the components underwater, and leaves the back free for other equipment for amphibious operations.
Early British frogman's rebreathers had rectangular counterlungs on the chest like Italian frogman's rebreathers, but later designs had a square recess in the top of the counterlung so it could extend further up toward the shoulders. In front they had a rubber collar that was clamped around the absorbent canister. [41]
As of 2023 there are several major new developments in equipment for which stable training has not yet been developed. Sidemount rebreathers are in a relatively advanced state compared to chest mount CCR, and particularly bailout rebreather procedures, which are still developing relatively fast, making it difficult to develop training standards ...
Its harness is a strong cloth jacket that enclosed the diver's chest. Mid front, a long zipped pocket: the diagrams do not show whether it was for kit or for diving weights. Many diving rebreathers are descended from it. However, there were earlier underwater uses of rebreathers: Davis Escape Set for use in emergency by submariners from 1927 ...
The two most common basic mounting configurations are back-mount and side-mount, and back-mount may be expanded to include auxiliary side-mounting, including bungee-constrained low profile side-mount, and the less compact sling-mount or stage-mount arrangement. A few diving rebreathers are chest mounted.
As with all rebreathers, the diver should breathe continuously to keep the gas flowing over the absorbent. Dives on the unit are limited to 90 minutes. [2] Instead of a weight belt there is a weight pouch at the back, full of lead ball weights 38 mm (1.5 in) in diameter.
Pages in category "Rebreathers" The following 67 pages are in this category, out of 67 total. ... Diver with on-chest rebreather.jpg 1,000 × 1,000; 41 KB
CGI image. 2 workmen with Siebe Gorman Salvus rebreathers set off to clean up a building after fumigation.. Early versions were originally designed for use in bad breathing conditions such as in underground mines and other enclosed spaces, where heavy concentrations of noxious gases could build up and affect the workers.
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