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This is a multi-part message in MIME format. ------=_NextPart_000_000C_01BEA933.630F83E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On a resent diver trip down south (Waymouth) we met some DIR divers. = Some dived the Halcyon Rebreather (open water). =20 It was rigged with two 7 litres (45 Cft.) on the sides of the unit. We = asked if they did not use stages for DECO, and the answer was : NO =20 They dived to about 30 meter (100 ft) so I can se why they might opt to = leave stages, but when we asked if they used stages on the deeper dives = the answer was still : NO. =20 My question is therefor. Is this standard DIR(WKPP) procedures. If so = why? Since this unit is NOT constant PPO2 you must have a longer = hangtime compared to OC (and what about OC bailout?). =20 Secondly why are the bottom mix carried on the back (on the sides of the = unit) when a single stage would do the same, and easily can be carried = along the deco stages? =20 It doesn't make sense to me, so please enlighten me. =20 Mike =20 =20 ------=_NextPart_000_000C_01BEA933.630F83E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 = HTML//EN"> <META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2><BR></DIV></FONT> <DIV><FONT color=3D#000000 size=3D2>On a resent diver trip down south = (Waymouth) we=20 met some DIR divers. Some dived the Halcyon Rebreather (open=20 water).</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>It was rigged with two 7 litres (45 = Cft.) on the=20 sides of the unit. We asked if they did not use stages for DECO, and the = answer=20 was : NO</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>They dived to about 30 meter (100 = ft) so I can=20 se why they might opt to leave stages, but when we asked if they used = stages on=20 the deeper dives the answer was still : NO.</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>My question is therefor. Is this = standard=20 DIR(WKPP) procedures. If so why? Since this unit is NOT constant PPO2 = you must=20 have a longer hangtime compared to OC (and what about OC = bailout?).</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>Secondly why are the bottom mix = carried on the=20 back (on the sides of the unit) when a single stage would do the same, = and=20 easily can be carried along the deco stages?</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>It doesn't make sense to me, so = please enlighten=20 me.</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV> </DIV> <DIV><FONT color=3D#000000 size=3D2>Mike</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV></BODY></HTML> ------=_NextPart_000_000C_01BEA933.630F83E0-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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