Manned Evaluation of the Pre-Production Mk 16 Underwater Breathing Apparatus.

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Manned Evaluation of the Pre-Production Mk 16 Underwater Breathing Apparatus.

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Title: Manned Evaluation of the Pre-Production Mk 16 Underwater Breathing Apparatus.
Author: Gray, CG; Thalmann, ED
Abstract: The MK 16 Underwater Breathing Apparatus (UBA) was evaluated to assess its breathing characteristics, duration and technical characteristics at 150 FSW on N2-O2 and 300 FSW on He-O2 in the Navy Experimental Diving Unit Ocean Simulation Facility Hyperbaric Chamber Complex. The oronasal pressures, inspired and expired oxygen and carbon dioxide, electronic oxygen control and failure warning system function were monitored. The results indicate that the oxygen alarms function well, breathing resistance is acceptable at both depths, and the canister durations were adequate for mission support. The electronic control of oxygen was consistent, but the UBA is unreliable because of oxygen valve malfunction and erratic water-tight seal integrity. Additionally, the high negative static load experienced in the horizontal or head-down position caused extreme diver discomfort. (Author)
Description: Citation Status: Active; Citation Classification: Unclassified; Title Classification: Unclassified; Report Classification: Unclassified; Identifier Classification: Unclassified; Abstract Classification: Unclassified; Distribution Limitation(s): 01 - APPROVED FOR PUBLIC RELEASE; Information provided by the Department of Defense and the Defense Technical Information Center (http://www.dtic.mil/) is considered public information and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is requested.
URI: http://archive.rubicon-foundation.org/3358
Date: 1980

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