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Date: Fri, 25 May 2001 13:08:36 -0400
Subject: Re: Trimix Computers
From: Jim Cobb <cobber@ci*.co*>
To: Tom Mount <TOM.MOUNT@in*.at*.ne*>,
     David Shimell , Ray Blanchard ,
     Tech Diver
CC: Alan Crew <alancrew@ya*.co*>, <FLTechDiver@mikey.net>
So what you're telling me, Tom, that in all of your 10,000 dives you've
never had any indications of sub-clinical DCS at all? Every single one of
your decompression dives you've done, especially those deep air specials,
have been perfect dives? What a load of crap.

Z, here's more survey material for you. A show of hands of people who
actually do staged deco dives who have never had niggle one, a perfect dive
every time.

George you weren't kidding, were you?

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

> From: "Tom Mount" <TOM.MOUNT@in*.at*.ne*>
> Reply-To: "Tom Mount" <TOM.MOUNT@in*.at*.ne*>
> Date: Fri, 25 May 2001 11:49:33 -0400
> To: "Jim Cobb" <cobber@ci*.co*>, "David Shimell"
> <David.Shimell@ta*.co*>, "Ray Blanchard" <rkbl@uf*.ed*>, "Tech Diver"
> <techdiver@aquanaut.com>
> Cc: "Alan Crew" <alancrew@ya*.co*>, <FLTechDiver@mikey.net>
> Subject: Re: Trimix Computers
> 
> So you deliberately go to the point of getting mild DCS and then back off .
> That is really intelligent Cobb
> 
> 
> 
> 
> ----- Original Message -----
> From: "Jim Cobb" <cobber@ci*.co*>
> To: "David Shimell" <David.Shimell@ta*.co*>; "Ray Blanchard"
> <rkbl@uf*.ed*>; "Tom Mount" <TOM.MOUNT@in*.at*.ne*>; "Tech Diver"
> <techdiver@aquanaut.com>
> Cc: "Alan Crew" <alancrew@ya*.co*>; <FLTechDiver@mikey.net>
> Sent: Thursday, May 24, 2001 8:22 PM
> Subject: Re: Trimix Computers
> 
> 
>> Shoot, half the fun of deco diving is doing the pre-dive calculations. It
>> up's the ante in that you are experimenting with your own body finding out
>> what the best profile is for you. When you start getting indications of
> your
>> limitations, i.e. joint pain, slobitus, that tired feeling, fried lungs,
>> etc. you adjust the calculations until you are dialed in. I can't imagine
>> not having the ability to fine-tune your profile. I dare say that if you
> do
>> it enough you know what your deco is intuitively in certain standard
>> profiles. Why anybody would want to cripple themselves with a wrist deco
>> computer is beyond me.
>> 
>> Jim
>> -------------------------------------------------------------------
>> Learn About Trimix at http://www.cisatlantic.com/trimix/
>> 
>>> From: David Shimell <David.Shimell@ta*.co*>
>>> Date: Thu, 24 May 2001 17:50:49 +0100
>>> To: "'Jim Cobb'" <cobber@ci*.co*>, Ray Blanchard <rkbl@uf*.ed*>,
> Tom
>>> Mount <TOM.MOUNT@in*.at*.ne*>, Tech Diver <techdiver@aquanaut.com>
>>> Cc: Alan Crew <alancrew@ya*.co*>,
>>> "FLTechDiver@mikey.net"<FLTechDiver@mikey.net>
>>> Subject: RE: Trimix Computers
>>> 
>>> Jim
>>> 
>>> It is as simple as the desire to have things easy, with little or no
>>> intellectual effort expended.  Nothing actually wrong with that if the
> product
>>> delivers to goods and the individual is prepared to pay the price.  The
>>> problem occurs when the product does not deliver the goods - keeps the
>>> individual in-water longer than necessary or fails.  Suddenly, what
> would be
>>> routine dive to BT users may become a stressful CF, or in the most
> extreme of
>>> circumstances kill the individual.
>>> 
>>> David Shimell
>>> 
>>> -----Original Message-----
>>> From: Jim Cobb [SMTP:cobber@ci*.co*]
>>> Sent: Thursday, May 24, 2001 1:28 AM
>>> To: Ray Blanchard; Tom Mount; Tech Diver
>>> Cc: Alan Crew; FLTechDiver@mikey.net
>>> Subject: Re: Trimix Computers
>>> 
>>> << File: ATT00048.htm >> All I can say is Ray, Why? All the stuff you
> relate
>>> here with the added
>>> bonus of the "most complicated interface in dive computerdom". Excuse me
> but
>>> I do believe that there are more important things to be keeping track of
> on
>>> a trimix dive than trying to figure out the most complicated interface
> ever
>>> strapped on a wrist.
>>> 
>>> What advantage does this $1900 monstrosity offer over a bottom timer,
> tables
>>> and a solid understanding of deco that only comes from experience? This
> is
>>> pure geek stuff, hoypaloy which adds nothing to your dive but more
>>> complexity, task loading and failure points.
>>> 
>>> Jim
>>> -------------------------------------------------------------------
>>> Learn About Trimix at http://www.cisatlantic.com/trimix/
>>> 
>>> From: Ray Blanchard <rkbl@uf*.ed*>
>>> Date: Wed, 23 May 2001 19:36:09 -0400
>>> To: Tom Mount <TOM.MOUNT@in*.at*.ne*>
>>> Cc: Alan Crew <alancrew@ya*.co*>, FLTechDiver@mikey.net
>>> Subject: Re: Trimix Computers
>>> 
>>> 
>>> Hi Alan, Tom & the rest of the list,
>>> Thanks for the informative posts from folks regarding trimix computers
> in
>>> particular the Abyss Explorer and the Phoenix VR3 as well as the limited
>>> application of the NiTek3.  While not a trimix computer diver, I've been
>>> following this area closely for several years and dreaming of owning
> one.
>>> This past DEMA show, however, was especially interesting in regards to
> the
>>> VR3 which is the only trimix computer that I've seen in private
> individuals'
>>> hands (see Z's post regarding the Explorer).  Prior to the show my
>>> information was limited to that from OMS, the U.S. distributor of the
> VR3,
>>> and a friend who dove one and found the user interface rather complex.
>>> While visiting the OMS booth at DEMA, I spoke at length to Kevin Gurr
> and
>>> another member of the VR3 development team and discovered that OMS's
>>> literature on this computer fails to do justice to the VR3's features in
> a
>>> big way.  Since Tom with his hands-on experience didn't expound on them,
>>> here are a few of the highlights that are not on the OMS brochures:
>>> 
>>> -Phoenix has a web presence ( www.vr3.co.uk ) including an electronic
> copy
>>> of the VR3 user manual
>>> -PC interface comes with the dive unit
>>> -user changeable standard batteries
>>> -never locks out upon deco violations
>>> -dive simulation mode allows contingency tables to be generated from the
>>> dive unit on its own
>>> -capable of complete gas control/programming even while on the dive
>>> -back lighting
>>> -adjustable conservancy/safety factor
>>> -reed switches (mentioned) mean no case penetration for buttons.
>>> 
>>> Overall this unit appears to have tremendous flexibility but that also
>>> makes for the most complicated user interface that I've seen on a dive
>>> computer.  Still, while I'm not a technophile, I think that I could
> learn to
>>> use this computer and I definitely would like to get my hands on one.
> The 2
>>> biggest down sides to this unit are that OMS is marketing the OC trimix
>>> model with an MSRP of $1900 and second, as Tom mentioned, it's
> conservative
>>> because it's based on the ProPlanner algorithm. I know that some of my
>>> trimix diving friends down here in FL find ProPlanner to be a little too
>>> conservative for their tastes even when it's set for zero conservation
> (for
>>> some reason they want to get out of the water faster ;-) however, Tom's
>>> recommendation for a special order may resolve this issue.  Of course
> the
>>> biggest point I've encountered for this trimix computer is that it's in
>>> production and available now.
>>> Safe diving,
>>> Ray
>>> 
>>> 
>>> 
>>> --
>>> Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
>>> Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
>>> 
>> 
>> 
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> ============================================================
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