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Adrian, have I got a product for you-

Don Burke, Mike Zurl and I have developed a gauge which replaces the
isolator knob with a stainless steel pointer which is surrounded by a large
brass vernier plate we found on a wreck. This allows precise, exact
adjustments depending on the training program. While IANTD is 2.5, TDI is a
little vaug, somewhere between 2 and 3 depending on your mix. It's not much
good for the new BSAC because they train you to keep it closed "until you
bloody need it".

We want to develop this unit commercially, but we can't figure out how to
covert imperial turns to metric turns, can anybody help me with this?

Did you know that once I did a 3.5 turns and the knob mysteriously came to a
halt? I think my manifold may be defective, but I have not taken it apart
yet to discover the cause.

  Jim
-------------------------------------------------------------------
Learn About Trimix at http://www.cisatlantic.com/trimix/

From: "Phi Le" <phi@sk*.be*>
Date: Fri, 13 Apr 2001 15:14:42 +0200
To: "adrian scothern" <ady@no*.fs*.co*.uk*>, "George Irvine"
<kirvine@sa*.ne*>, "techdiver-aquanaut.com" <techdiver@aquanaut.com>,
"Chris Tibble" <chris.tibble@bt*.co*>
Subject: RE: Isolating Manifold Question


Adrian,
 
Do you think it would work with 1 full turn, or must it be *exactly* 2 half
turns ?
 
-Phi
-----Original Message-----
From: adrian scothern [mailto:ady@no*.fs*.co*.uk*]
Sent: Friday, April 13, 2001 12:38 PM
To: adrian scothern; George Irvine; techdiver-aquanaut.com; Chris Tibble
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
 
-- Original Message -----
From: George Irvine <mailto:kirvine@sa*.ne*>
To: adrian scothern <mailto:ady@no*.fs*.co*.uk*>  ; Chris Tibble
<mailto:chris.tibble@bt*.co*>  ; techdiver-aquanaut.com
<mailto:techdiver@aquanaut.com>
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 -----
From: adrian scothern <mailto:ady@no*.fs*.co*.uk*>
To: Chris Tibble <mailto:chris.tibble@bt*.co*>  ;
techdiver-aquanaut.com <mailto:techdiver@aquanaut.com>
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 -----
From: Chris Tibble <mailto:chris.tibble@bt*.co*>
To: techdiver@aquanaut.com
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:
 
All the way
Adv:         No risk of turning wrong way
 
Disadv:     May get stuck if turned on all way
               Have to turn it 3 turns (or whatever)
 
Part way
Adv:        V fast way of isolating
 
Disadv:    Can turn it the wrong way
              Not having it open all the way may limit equalisation across
the manifold.
 
Now any or all of this may be unmitigated rubbish, but it's just what I was
thinking about last night.
 
Any comments/suggestions as to how best to do it?
 
As this is my first post, go easy on me - I'm still learning!
 
Many thanks,
 
Chris
 

--
It takes a big man to cry, but it takes a bigger man to laugh at that man.





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<HTML>
<HEAD>
<TITLE>Re: Isolating Manifold Question</TITLE>
</HEAD>
<BODY>
Adrian, have I got a product for you-<BR>
<BR>
Don Burke, Mike Zurl and I have developed a gauge which replaces the isolat=
or knob with a stainless steel pointer which is surrounded by a large brass =
vernier plate we found on a wreck. This allows precise, exact adjustments de=
pending on the training program. While IANTD is 2.5, TDI is a little vaug, s=
omewhere between 2 and 3 depending on your mix. It's not much good for the n=
ew BSAC because they train you to keep it closed "until you bloody need=
 it".<BR>
<BR>
We want to develop this unit commercially, but we can't figure out how to c=
overt imperial turns to metric turns, can anybody help me with this?<BR>
<BR>
Did you know that once I did a 3.5 turns and the knob mysteriously came to =
a halt? I think my manifold may be defective, but I have not taken it apart =
yet to discover the cause.<BR>
<BR>
   Jim<BR>
 -------------------------------------------------------------------<BR>
 Learn About Trimix at http://www.cisatlantic.com/trimix/<BR>
<BLOCKQUOTE><BR>
<B>From: </B>"Phi Le" <phi@sk*.be*><BR>
<B>Date: </B>Fri, 13 Apr 2001 15:14:42 +0200<BR>
<B>To: </B>"adrian scothern" <ady@no*.fs*.co*.uk*>, &=
quot;George Irvine" <kirvine@sa*.ne*>, "techdiver-aquanau=
t.com" <techdiver@aquanaut.com>, "Chris Tibble" <chr=
is.tibble@bt*.co*><BR>
<B>Subject: </B>RE: Isolating Manifold Question<BR>
<BR>
</BLOCKQUOTE><BR>
<BLOCKQUOTE><FONT COLOR=3D"#0000FF"><FONT SIZE=3D"2"><FONT
FACE=3D"Arial">Adrian,=
<BR>
</FONT></FONT></FONT> <BR>
<FONT COLOR=3D"#0000FF"><FONT SIZE=3D"2"><FONT FACE=3D"Arial">Do you
think it wou=
ld work with 1 full turn, or must it be *exactly* 2 half turns ?<BR>
</FONT></FONT></FONT> <BR>
<FONT COLOR=3D"#0000FF"><FONT SIZE=3D"2"><FONT
FACE=3D"Arial">-Phi<BR>
</FONT></FONT></FONT><BLOCKQUOTE><FONT SIZE=3D"2"><FONT
FACE=3D"Tahoma">-----Or=
iginal Message-----<BR>
<B>From:</B> adrian scothern [mailto:ady@no*.fs*.co*.uk*]<BR>
<B>Sent:</B> Friday, April 13, 2001 12:38 PM<BR>
<B>To:</B> adrian scothern; George Irvine; techdiver-aquanaut.com; Chris
Ti=
bble<BR>
<B>Subject:</B> Re: Isolating Manifold Question<BR>
<BR>
</FONT></FONT> <BR>
<BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial"><B>Well, i've been diving with
the ISO tw=
o 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  <BR>
</B></FONT></FONT> <BR>
-- Original Message ----- <BR>
<BLOCKQUOTE><B>From:</B> George Irvine <mailto:kirvine@sa*.ne*>
&n=
bsp;<BR>
<B>To:</B> adrian scothern <mailto:ady@no*.fs*.co*.uk*>  ;=
 Chris Tibble <mailto:chris.tibble@bt*.co*>  ; techdiver-a=
quanaut.com <mailto:techdiver@aquanaut.com>  <BR>
<B>Sent:</B> Friday, April 13, 2001 11:19 AM<BR>
<B>Subject:</B> Re: Isolating Manifold Question<BR>
<BR>
<FONT SIZE=3D"4">And what bullshit paranoia do you attribute the "two
ha=
lf 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 t=
o do something that stupid that makes any sense what so ever. Give it a try.=
<BR>
</FONT> <BR>
 <BR>
<BLOCKQUOTE>----- Original Message ----- <BR>
<B>From:</B> adrian scothern <mailto:ady@no*.fs*.co*.uk*>  =
;<BR>
<B>To:</B> Chris Tibble <mailto:chris.tibble@bt*.co*>  ; =
techdiver-aquanaut.com <mailto:techdiver@aquanaut.com>  <BR>
<B>Sent:</B> Thursday, April 12, 2001 7:04 PM<BR>
<B>Subject:</B> Re: Isolating Manifold Question<BR>
<BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">I have the ISO two half turn's on,
and I =
think the key is to , <B>Know your kit inside out</B>, I've sat in the
dark =
, in full kit for over 30 hours ,every new bit of kit , i go through the sam=
e process, and Do know my current config  Insideout , the wife finds th=
is highly amusing if/when she walks in . same goe's for inwater training div=
es .<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">ady<BR>
</FONT></FONT> <BR>
<BLOCKQUOTE>----- Original Message ----- <BR>
<B>From:</B> Chris Tibble <mailto:chris.tibble@bt*.co*>  =
<BR>
<B>To:</B> techdiver@aquanaut.com <BR>
<B>Sent:</B> Thursday, April 12, 2001 6:28 PM<BR>
<B>Subject:</B> Isolating Manifold Question<BR>
<BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">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 o=
f 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 a=
dvantages and disadvantages to both:<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">All the way<BR>
Adv:         No risk of turning wro=
ng way<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Disadv:     May
get s=
tuck if turned on all way<BR>
             &n=
bsp;  Have to turn it 3 turns (or whatever)<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Part way<BR>
Adv:        V fast way of isolating<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Disadv:    Can turn
it the=
 wrong way <BR>
             &n=
bsp; Not having it open all the way may limit equalisation across the m=
anifold.<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Now any or all of this may be
unmitigated=
 rubbish, but it's just what I was thinking about last night.<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Any comments/suggestions as to how
best t=
o do it?<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">As this is my first post, go easy
on me -=
 I'm still learning!<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Many thanks,<BR>
</FONT></FONT> <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">Chris<BR>
</FONT></FONT> <BR>
 <BR>
<FONT SIZE=3D"2"><FONT FACE=3D"Arial">--<BR>
It takes a big man to cry, but it takes a bigger man to laugh at that man.<=
BR>
</FONT></FONT><BR>
</BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><BR>
</BLOCKQUOTE><BR>
</BODY>
</HTML>


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