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From: "Simon Murray" <simonm@ho*.co*.za*>
To: "Tech Diver" <techdiver@aquanaut.com>
Subject: Back gas breaks
Date: Thu, 30 Mar 2000 19:21:55 +0200
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I have recently begun running bottom times that require increasing time =
at 6m on O2 (profiles calculated using Decoplanner).  I would like some =
feedback on back gas breaks, i.e. suggestions on when to take them and =
for how long. =20

Here is what I am currently doing:

Format:
Total time required at 6m by Decoplan: initial time on 02, 1st break, =
2nd O2 period, 2nd break, etc=20

30min: 15, 5, 10
35min: 15, 5, 15
40min: 15, 5, 20
45min: 20, 5, 20
50min: 15, 5, 15, 5, 10

Are these sufficient O2 breaks or should I be putting in more ?  As the =
balance of my recreational time is spent cycling, I am particularly =
focused on maintaining post dive vital capacity.


Thanks,

Simon Murray

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<META content=3D"text/html; charset=3Diso-8859-1" =
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<DIV><FONT face=3D"Times New Roman">I have recently begun =
running bottom=20
times that require increasing time at 6m on O2 (profiles calculated =
using=20
Decoplanner).  I would like some feedback on back gas breaks,=20
i.e. suggestions on when to take them and for how long.  =
</FONT></DIV>
<DIV><FONT face=3D"Times New Roman"></FONT> </DIV>
<DIV><FONT face=3D"Times New Roman">Here is what I am currently=20
doing:</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Times New Roman">Format:</FONT></DIV>
<DIV><FONT face=3D"Times New Roman">Total time required at 6m by =
Decoplan: initial=20
time on 02, 1st break, 2nd O2 period, 2nd break, etc </FONT></DIV>
<DIV><FONT face=3D"Times New Roman"></FONT> </DIV>
<DIV><FONT face=3D"Times New Roman">30min: 15, 5, 10</FONT></DIV>
<DIV><FONT face=3D"Times New Roman">35min: 15, 5,
15</FONT></DIV>
<DIV><FONT face=3D"Times New Roman">40min: 15, 5, 20</FONT></DIV>
<DIV><FONT face=3D"Times New Roman">45min: 20, 5, 20</FONT></DIV>
<DIV><FONT face=3D"Times New Roman">50min: 15, 5, 15, 5,
10</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Times New Roman">Are these sufficient O2 breaks or =
should I be=20
putting in more ?  As the balance of my recreational time is spent =
cycling,=20
I am particularly focused on maintaining post dive vital =
capacity.</FONT></DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Times New Roman">Thanks,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3D"Times New Roman">Simon =
Murray</FONT></DIV></BODY></HTML>

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