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Date: Thu, 13 Apr 2000 21:31:10 -0400
Subject: Re: Dual OMS 45's
From: Jim Cobb <cobber@ci*.co*>
To: dmdalton <dmdalton@qu*.ne*>, <ajmarve@ba*.ne*>,
     Art Greenberg
CC: Kevin Connell <kevin@nw*.co*>, Maggie <mmowens@pa*.co*>,
     Jim Cobb , Cam Banks ,
     Techdiver Mailing List
Dave, you really know how to get on Maggie's good side, don't you?

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

> From: "dmdalton" <dmdalton@qu*.ne*>
> Date: Thu, 13 Apr 2000 00:03:23 -0400
> To: <ajmarve@ba*.ne*>, "Art Greenberg" <artg@ec*.ne*>
> Cc: "Kevin Connell" <kevin@nw*.co*>, "Maggie" <mmowens@pa*.co*>, "Jim
Cobb"
> <cobber@ma*.ci*.co*>, "Cam Banks" <cam@ca*.co*>, "Techdiver
> Mailing List" <techdiver@aquanaut.com>
> Subject: Re: Dual OMS 45's
> 
> Ok, Ok, Ok. In an effort to end this discussion lets try this:
> 
> Maggie you first, say "I think they are sooooooo cute!" (It's ok, you're a
> girl, you can say that).
> 
> Art, now it's your turn, you say "Look, it's my money and I'll spend it any
> way I want, if you don't like it why don't you go stuff your long hose!"
> 
> BANG! BANG! BANG! BANG!
> 
> Opps. Sorry about that, Art. I guess I should have made Jim unload his full
> auto snorkel before he came in!
> 
> Dave
> 
> ----- Original Message -----
> From: Al Marvelli <ajmarve@ba*.ne*>
> To: Art Greenberg <artg@ec*.ne*>
> Cc: Kevin Connell <kevin@nw*.co*>; Maggie <mmowens@pa*.co*>; Jim Cobb
> <cobber@ma*.ci*.co*>; Cam Banks <cam@ca*.co*>; Techdiver
> Mailing List <techdiver@aquanaut.com>
> Sent: Wednesday, April 12, 2000 12:46 AM
> Subject: Re: Dual OMS 45's
> 
> 
>> Art,
>> 
>> I hate to reply line by line, but its late, so here goes:
>> 
>> Art Greenberg wrote:
>> 
>>> On Mon, 10 Apr 2000, Al Marvelli wrote:
>>> 
>>>> Folks,
>>>> 
>>>> I am sorry, but what is the profile for these little tanks? whats the
> gas
>>>> management scheme? half plus 200 or are we pumping the snot out of
> them???
>>>> Is this an overhead dive?? is there deco to do? and if not, why do we
> need
>>>> all this redundancy??
>>> 
>>> Al, it is not a matter of redundancy. It is simply that diving these
>>> provides the same valve and regulator configuration as larger doubles.
> It
>>> provides the trim and balance of doubles, and does not require any
>>> adjustment in weighting.
>> 
>> Identical or simliar??  no adjustment in weighting, or no weight belts?
>> 
>>> 
>>> 
>>>> Its nice to have all the tools for practice, but if we are talking
>>>> 30,60 or even 90 ft of open water< no deco,no overhead>here, you dont
>>>> *need* a doubles setup and you dont need a specific small double setup
>>>> just to practice. Better to train with your "go to war" gear.
>>> 
>>> Agreed, for these dives one does not need doubles. But the point I
> cannot
>>> seem to get through my hard head is why not use them? Why not take
>>> advantage of the system, practice setting up the gear, valve shutdowns
> and
>>> so forth with these? Why not reserve the "go to war" gear for dives that
>>> actually call for the gas volume?
>>> 
>> 
>> Do you practice the mindset for going to war when you dive the little
> tanks?? Is
>> it possible to dive thirds with these unpumped? I would think less gas
> makes it
>> harder to do so.
>> 
>> is the spacing the same for the valves, or just similar? do you get the
> same
>> strech?
>> 
>> on the other side of gear similarity equation, im presuming you dont carry
> these
>> on vacation?  how do you deal with the single tank then?
>> 
>> 
>>>> What if the 24th mech had trained with golf carts instead of bradleys
>>>> before desert storm?? Wed probably being paying $2.00 a gallon for gas
>>>> and kuwaiti women would still be oppressed.< opps bad example, but you
>>>> get my point, right>
>>> 
>>> Al, this is a specious argument.
>>> 
>> 
>> I used to know what specious meant. Oh well. Its not my best logic, but i
> was
>> playing for laughs while making a point. <you do see the irony dont you?>
>> 
>>>> Now if your sump diving, and thats your "go to war"config, then using
> them
>>>> in the ocean might make more sense, but its far from necessary.
>>>> 
>>>> I dont advocate blow and go as a standard dive practice, but you
> should be
>>>> able to do it, and you should be able to dive with a buddy in you
> singles
>>>> just as well as with your doubles, and be able to share gas
> accordingly. so
>>>> there is no reason for gear to replace a single 80.
>>> 
>>> I do not understand why, given what I perceive to be the advantages as
>>> stated above. How is my thinking flawed?
>>> 
>> 
>> For the sumpdiver, its what he needs to be most comfortable with.
>> 
>> The doubles shouldnt be a replacement for the skills above, just as a pony
>> shouldnt . But how many recreational divers can you say this of? I know
> you dont
>> personally mean to recommend the little doubles to recreational divers who
> cant
>> handle them, but i still worry that is whats going to happen.
>> 
>> 
>>>> I could haul an atv and the tools to build a log home with me when I
>>>> go to the 7-11 down the block in my truck, or I could just walk. What
>>>> makes more sense?
>>> 
>>> I cannot see how using smaller doubles is in contradiction with this
>>> metaphor. Where am I going wrong?
>>> 
>> 
>> Bad metaphor! Bad!
>> 
>> Let me try again.
>> 
>> I could drive Bigfoot to the 7-11, or I could drive my Ford ranger, but
> why, if I
>> can skateboard there??
>> 
>> best,
>> 
>> Al Marvelli
>> 
>>> --
>>> Art Greenberg
>>> artg@ec*.ne*
>> 
>> 
>> 
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> 
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