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--_=_=_=IMA.BOUNDARY.HTML_4862544=_=_=_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit The primary regulator (long hose) and backup regulator must necessarily be on different posts. In DIR, with the long hose on the right, the backup must be on the left. The wing inflator must be run from the right post, since the left is the one which rolls off (and can break off) , and you don't want to discover a non-functioning inflator during a descent or any sort of emergency when you try to inflate. When on the right, you know the wing is getting gas since you are breathing from the same post. This contraindicates using any sort of combination inflator/backup regulator. Although the inflator can be used as a tertiary backup, it should be by manual addition only, by simultaneous operation of the inflate and deflate buttons (keep it simple). You would only ever need to do this if you were on the backup because you were sharing gas, and then you lost the left post. The backup regulator should be a proper non-pneumatically balanced second stage anyway, attached finger tight to the hose to enable interchangeability with any other second stage on your rig. -Sean --_=_=_=IMA.BOUNDARY.HTML_4862544=_=_=_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: 7bit <HTML> <FONT FACE="MS Sans Serif" DEFAULT="FACE"><FONT SIZE="2" POINTSIZE="10">The primary regulator (long hose) and backup regulator must necessarily be on different posts. In DIR, with the long hose on the right, the backup must be on the left. The wing inflator must be run from the right post, since the left is the one which rolls off (and can break off) , and you don't want to discover a non-functioning inflator during a descent or any sort of emergency when you try to inflate. When on the right, you know the wing is getting gas since you are breathing from the same post. This contraindicates using any sort of combination inflator/backup regulator. Although the inflator can be used as a tertiary backup, it should be by manual addition only, by simultaneous operation of the inflate and deflate buttons (keep it simple). You would only ever need to do this if you were on the backup because you were sharing gas, and then you lost the left post. The backup regulator should be a proper non-pneumatically balanc ed second stage anyway, attached finger tight to the hose to enable interchangeability with any other second stage on your rig.<BR> <BR> -Sean<BR> <BR> <BR> <FONT SIZE="1" POINTSIZE="8" DEFAULT="SIZE"><BR> </HTML> --_=_=_=IMA.BOUNDARY.HTML_4862544=_=_=_-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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