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From: "George Irvine" <kirvine@sa*.ne*>
To: "Alex Vasauskas" <surlyc@al*.ne*>, <techdiver@aquanaut.com>
Subject: RE: Al vs. Steel Stages
Date: Sat, 23 Dec 2000 09:14:39 -0500
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Yeah, you have the wrong al tank, for starters, and you are assuming one gas
: air. Go back and think again, and try to figure out what we are talking
about , not come up with some deluded semantic bullshit that disregards the
entire point, which is your rig needs to be balanced. What we have here is a
"forest and trees" problem .
  -----Original Message-----
  From: Alex Vasauskas [mailto:surlyc@al*.ne*]
  Sent: Friday, December 22, 2000 8:24 PM
  To: techdiver@aquanaut.com
  Subject: Al vs. Steel Stages


  As far as I have been able to read, Al stage bottles are "good" and steel
stage bottles are "bad" because steel bottles are supposedly relatively "too
heavy for diving and comfort" and "unsafe".  I checked the specs for the
size of cylinder that would be appropriate for my open water diving.  Here
they are:

  Luxfer 48.4 cu.ft./3000 psi
  21.15 lbs. empty
  -2.4 lbs. buoyancy full / +1.3 lbs. empty in salt water

  OMS 46 cu.ft. / 2640 psi
  17.6 lbs. empty with valve
  -4.0 ...lbs. buoyancy full / 0.00 lbs. empty

  For approximately the same volume, the steel cylinder is lighter and
neutral when empty, so I don't need extra weight to be balanced.  The steel
cylinder is lighter.

  So, is this just a unique example of the steel cylinder being the better
choice, or am I missing something here?



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<META content=3D"text/html; charset=3Diso-8859-1" =
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<BODY>
<DIV><FONT color=3D#0000ff face=3DArial size=3D4><SPAN =
class=3D390290714-23122000>Yeah,=20
you have the wrong al tank, for starters, and you are assuming one gas : =
air. Go=20
back and think again, and try to figure out what we are talking about , =
not come=20
up with some deluded semantic bullshit that disregards the entire point, =
which=20
is your rig needs to be balanced. What we have here is a "forest and =
trees"=20
problem .</SPAN></FONT></DIV>
<BLOCKQUOTE style=3D"MARGIN-RIGHT: 0px">
  <DIV align=3Dleft class=3DOutlookMessageHeader dir=3Dltr><FONT =
face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> Alex Vasauskas=20
  [mailto:surlyc@al*.ne*]<BR><B>Sent:</B> Friday, December 22, 2000 =
8:24=20
  PM<BR><B>To:</B> techdiver@aquanaut.com<BR><B>Subject:</B>
Al vs. =
Steel=20
  Stages<BR><BR></DIV></FONT>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial size=3D2>As
=
far as I have=20
  been able to read, Al stage bottles are "good" and steel stage bottles =
are=20
  "bad" because steel bottles are supposedly relatively "too heavy for =
diving=20
  and comfort" and "unsafe".  I checked the specs for the size =
of=20
  cylinder that would be appropriate for my open water diving.  =
Here they=20
  are:</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial=20
  size=3D2></FONT></SPAN> </DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial =
size=3D2>Luxfer 48.4=20
  cu.ft./3000 psi</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial =
size=3D2>21.15 lbs.=20
  empty</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>-2.4 =
lbs. buoyancy=20
  full / +1.3 lbs. empty in salt water</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial=20
  size=3D2></FONT></SPAN> </DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>OMS =
46 cu.ft. /=20
  2640 psi</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>17.6 =
lbs. empty=20
  with valve</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>-4.0 =
....lbs.=20
  buoyancy full / 0.00 lbs. empty</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial=20
  size=3D2></FONT></SPAN> </DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>For =
approximately=20
  the same volume, the steel cylinder is lighter and neutral when empty, =
so I=20
  don't need extra weight to be balanced.  The steel cylinder is=20
  lighter.</FONT></SPAN></DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial=20
  size=3D2></FONT></SPAN> </DIV>
  <DIV><SPAN class=3D800260401-23122000><FONT face=3DArial
size=3D2>So, =
is this just a=20
  unique example of the steel cylinder being the better choice, or am I =
missing=20
  something here?</FONT></SPAN></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
  <DIV><FONT face=3DArial =
size=3D2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>

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