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Richard,

i dive with the ISO open just enough for the cylinders to equalise, in =
the event of a free flow , i don't waste time having to turn the ISO off =
from fully on , as with cold hands or thick dry gloves ,this would  make =
life difficult!( Why should i make it harder for myself?????),.

As for the 3/4 of European divers using this method, divers taking there =
first steps into tech training , do so with IANTD or TDI,
, as shut downs are apart of syllabus, my instructor  & people i have =
listened to use this method, and as far as i a aware  As the said =
organisations are wide spread around Europe , i can only conclude that =
they are also shown this method.

A

----- Original Message -----=20
  From: Richard Lundgren=20
  To: adrian scothern ; George Irvine ; techdiver-aquanaut.com ; Chris =
Tibble=20
  Sent: Saturday, April 14, 2001 9:49 AM
  Subject: Re: Isolating Manifold Question


  Adrian,
  =20
  Not likely, the only reason to do it like you suggest is inexperience =
or lack of understanding. Follow the tread and Im shure you understand =
why you are wrong and how you would benefit from doing it right.It would =
be a shame if 3/4 of our european guys would be that ignorant and I find =
it pretty hard to belive, dont make up statistic figures on your own to =
prove your point, it will not work.
  =20
  regards,
  Richard Lundgren
    ----- Original Message -----=20
    From: adrian scothern=20
    To: adrian scothern ; George Irvine ; techdiver-aquanaut.com ; Chris =
Tibble=20
    Sent: Friday, April 13, 2001 12:38 PM
    Subject: Re: Isolating Manifold Question





      Well, i've been diving with the ISO two half turns , since having =
a twin set!, and proberley 3/4 OF Europe dive's The BullShit Paranoia =
Way, I'm Sorry that i've No Idea about Diving OH DEMI GOD OF THE =
UNDERWATER WORLD =20

      -- Original Message -----=20
        From: George Irvine=20
        To: adrian scothern ; Chris Tibble ; techdiver-aquanaut.com=20
        Sent: Friday, April 13, 2001 11:19 AM
        Subject: Re: Isolating Manifold Question


        And what bullshit paranoia do you attribute the "two half turns =
"  to? This is the kind of mindless crap that gets people killed. I will =
say right here and now that you can come up with no reason to do =
something that stupid that makes any sense what so ever. Give it a try.


          ----- Original Message -----=20
          From: adrian scothern=20
          To: Chris Tibble ; techdiver-aquanaut.com=20
          Sent: Thursday, April 12, 2001 7:04 PM
          Subject: Re: Isolating Manifold Question


          I have the ISO two half turn's on, and I think the key is to , =
Know your kit inside out, I've sat in the dark , in full kit for over 30 =
hours ,every new bit of kit , i go through the same process, and Do know =
my current config  Insideout , the wife finds this highly amusing =
if/when she walks in . same goe's for inwater training dives .

          ady

            ----- Original Message -----=20
            From: Chris Tibble=20
            To: techdiver@aquanaut.com=20
            Sent: Thursday, April 12, 2001 6:28 PM
            Subject: Isolating Manifold Question


            Just a quickie. I'm just about to buy my first twinset with =
a manifold. I've dived twins before, independents because of fiscal =
reasons (I'm a poor student!) What I need to know is this. Some of the =
people I have talked to who dive manis only open their iso knob about =
1/2 a turn, whilst others open it all the way. Thinking about it I can =
see advantages and disadvantages to both:
            =20
            All the way
            Adv:         No risk of turning wrong way
            =20
            Disadv:     May get stuck if turned on all way
                            Have to turn it 3 turns (or whatever)
            =20
            Part way
            Adv:        V fast way of isolating
            =20
            Disadv:    Can turn it the wrong way=20
                           Not having it open all the way may limit =
equalisation across the manifold.
            =20
            Now any or all of this may be unmitigated rubbish, but it's =
just what I was thinking about last night.
            =20
            Any comments/suggestions as to how best to do it?
            =20
            As this is my first post, go easy on me - I'm still =
learning!
            =20
            Many thanks,
            =20
            Chris
            =20
            =20
            --
            It takes a big man to cry, but it takes a bigger man to =
laugh at that man.




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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2614.3500" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Richard,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>i dive with the ISO open just enough =
for the=20
cylinders to equalise, in the event of a free flow , i don't waste time =
having=20
to turn the ISO off from fully on , as with cold hands or thick dry =
gloves ,this=20
would  make life difficult!( Why should i make it harder for=20
myself?????),.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>As for the 3/4 of European divers using =
this=20
method, divers taking there first steps into tech training , do so with =
IANTD or=20
TDI,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>, as shut downs are apart of syllabus, =
my=20
instructor  & people i have listened to use this method, and as =
far as=20
i a aware  As the said organisations are wide spread around Europe =
, i can=20
only conclude that they are also shown this method.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>A</FONT></DIV>
<DIV> </DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A href=3D"mailto:rikard.lundgren@sw*.se*"=20
  title=3Drikard.lundgren@sw*.se*>Richard Lundgren</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
  href=3D"mailto:ady@no*.fs*.co*.uk*" =
title=3Dady@no*.fs*.co*.uk*>adrian=20
  scothern</A> ; <A href=3D"mailto:kirvine@sa*.ne*"=20
  title=3Dkirvine@sa*.ne*>George Irvine</A> ; <A=20
  href=3D"mailto:techdiver@aquanaut.com"=20
  title=3Dtechdiver@aquanaut.com>techdiver-aquanaut.com</A> ; <A=20
  href=3D"mailto:chris.tibble@bt*.co*"=20
  title=3Dchris.tibble@bt*.co*>Chris Tibble</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Saturday, April 14,
2001 =
9:49=20
  AM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Isolating
Manifold =

  Question</DIV>
  <DIV><BR></DIV>
  <DIV><FONT face=3DArial size=3D2>Adrian,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
  <DIV><FONT face=3DArial size=3D2>Not likely, the only reason to do it =
like you=20
  suggest is inexperience or lack of understanding. Follow the tread and =
Im=20
  shure you understand why you are wrong and how you would benefit from =
doing it=20
  right.It would be a shame if 3/4 of our european guys would be that =
ignorant=20
  and I find it pretty hard to belive, dont make up statistic figures on =
your=20
  own to prove your point, it will not work.</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
  <DIV><FONT face=3DArial size=3D2>regards,</FONT></DIV>
  <DIV><FONT face=3DArial size=3D2>Richard Lundgren</FONT></DIV>
  <BLOCKQUOTE dir=3Dltr=20
  style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
    <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
    <DIV=20
    style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
    <A href=3D"mailto:ady@no*.fs*.co*.uk*"=20
    title=3Dady@no*.fs*.co*.uk*>adrian scothern</A> </DIV>
    <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
    href=3D"mailto:ady@no*.fs*.co*.uk*"=20
    title=3Dady@no*.fs*.co*.uk*>adrian scothern</A> ; <A=20
    href=3D"mailto:kirvine@sa*.ne*" title=3Dkirvine@sa*.ne*>George =
Irvine</A>=20
    ; <A href=3D"mailto:techdiver@aquanaut.com"=20
    title=3Dtechdiver@aquanaut.com>techdiver-aquanaut.com</A> ; <A=20
    href=3D"mailto:chris.tibble@bt*.co*"=20
    title=3Dchris.tibble@bt*.co*>Chris Tibble</A> </DIV>
    <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, April 13,
2001 =
12:38=20
    PM</DIV>
    <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Isolating =
Manifold=20
    Question</DIV>
    <DIV><BR></DIV>
    <BLOCKQUOTE=20
    style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
      <DIV style=3D"FONT: 10pt arial"> </DIV>
      <DIV><BR></DIV>
      <DIV><STRONG><FONT face=3DArial size=3D2>Well, i've been diving =
with the ISO=20
      two half turns , since having a twin set!, and proberley 3/4 =
OF=20
      Europe dive's The BullShit Paranoia Way, I'm Sorry that i've =
No Idea=20
      about Diving OH DEMI GOD OF THE UNDERWATER WORLD =20
      </FONT></STRONG></DIV>
      <DIV> </DIV>
      <DIV>-- Original Message ----- </DIV>
      <BLOCKQUOTE=20
      style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
        <DIV=20
        style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
        <A href=3D"mailto:kirvine@sa*.ne*" =
title=3Dkirvine@sa*.ne*>George=20
        Irvine</A> </DIV>
        <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
        href=3D"mailto:ady@no*.fs*.co*.uk*"=20
        title=3Dady@no*.fs*.co*.uk*>adrian scothern</A> ; <A=20
        href=3D"mailto:chris.tibble@bt*.co*"=20
        title=3Dchris.tibble@bt*.co*>Chris Tibble</A> ; <A=20
        href=3D"mailto:techdiver@aquanaut.com"=20
        title=3Dtechdiver@aquanaut.com>techdiver-aquanaut.com</A> </DIV>
        <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, April 13,
=
2001 11:19=20
        AM</DIV>
        <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Isolating =
Manifold=20
        Question</DIV>
        <DIV><BR></DIV>
        <DIV><FONT size=3D4>And what bullshit paranoia do you attribute =
the "two=20
        half turns "  to? This is the kind of mindless crap that =
gets=20
        people killed. I will say right here and now that you can come =
up with=20
        no reason to do something that stupid that makes any sense what =
so ever.=20
        Give it a try.</FONT></DIV>
        <DIV> </DIV>
        <DIV> </DIV>
        <BLOCKQUOTE=20
        style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
          <DIV style=3D"FONT: 10pt arial">----- Original Message ----- =
</DIV>
          <DIV=20
          style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
          <A href=3D"mailto:ady@no*.fs*.co*.uk*"=20
          title=3Dady@no*.fs*.co*.uk*>adrian scothern</A> </DIV>
          <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
          href=3D"mailto:chris.tibble@bt*.co*"=20
          title=3Dchris.tibble@bt*.co*>Chris Tibble</A> ; <A=20
          href=3D"mailto:techdiver@aquanaut.com"=20
          title=3Dtechdiver@aquanaut.com>techdiver-aquanaut.com</A> =
</DIV>
          <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, April
=
12, 2001=20
          7:04 PM</DIV>
          <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re:
Isolating =
Manifold=20
          Question</DIV>
          <DIV><BR></DIV>
          <DIV><FONT face=3DArial size=3D2>I have the ISO two half =
turn's on,=20
          and I think the key is to , <STRONG>Know your kit inside =
out</STRONG>,=20
          I've sat in the dark , in full kit for over 30 hours ,every =
new bit of=20
          kit , i go through the same process, and Do know =
my current=20
          config  Insideout , the wife finds this highly =
amusing=20
          if/when she walks in . same goe's for inwater training dives=20
          .</FONT></DIV>
          <DIV> </DIV>
          <DIV><FONT face=3DArial size=3D2>ady</FONT></DIV>
          <DIV> </DIV>
          <BLOCKQUOTE=20
          style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-RIGHT: 0px">
            <DIV style=3D"FONT: 10pt arial">----- Original Message ----- =
</DIV>
            <DIV=20
            style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
            <A href=3D"mailto:chris.tibble@bt*.co*"=20
            title=3Dchris.tibble@bt*.co*>Chris Tibble</A> </DIV>
            <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
            href=3D"mailto:techdiver@aquanaut.com"=20
            title=3Dtechdiver@aquanaut.com>techdiver@aquanaut.com</A> =
</DIV>
            <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday,
April =
12, 2001=20
            6:28 PM</DIV>
            <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Isolating =
Manifold=20
            Question</DIV>
            <DIV><BR></DIV>
            <DIV><FONT face=3DArial size=3D2>Just a quickie. I'm just =
about to buy=20
            my first twinset with a manifold. I've dived twins before,=20
            independents because of fiscal reasons (I'm a poor student!) =
What I=20
            need to know is this. Some of the people I have talked to =
who dive=20
            manis only open their iso knob about 1/2 a turn, whilst =
others open=20
            it all the way. Thinking about it I can see advantages and=20
            disadvantages to both:</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>All the
way</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2>Adv:    =20
                No risk of turning wrong way</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Disadv:     =
May get=20
            stuck if turned on all way</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2>    =
   =20
                    Have to turn it 3 =
turns (or=20
            whatever)</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Part way</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2>Adv:   =20
                V fast way of isolating</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Disadv:    =
Can turn it=20
            the wrong way </FONT></DIV>
            <DIV><FONT face=3DArial=20
            =
size=3D2>          &nbs=
p;    Not=20
            having it open all the way may limit equalisation across the =

            manifold.</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Now any or all of this may =
be=20
            unmitigated rubbish, but it's just what I was thinking about =
last=20
            night.</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Any comments/suggestions as =
to how best=20
            to do it?</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>As this is my first post, =
go easy on me=20
            - I'm still learning!</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Many
thanks,</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>Chris</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2></FONT> </DIV>
            <DIV><FONT face=3DArial size=3D2>--</FONT></DIV>
            <DIV><FONT face=3DArial size=3D2>It takes a big man to cry, =
but it takes=20
            a bigger man to laugh at that man.<BR></DIV>
            =
<DIV><BR></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLO
CKQUOTE></BLOC=
KQUOTE></BLOCKQUOTE></FONT></BODY></HTML>

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