is gas switching on vytec useful?

mossym · Dec 15, 2004

Hi all, i currently own a Suunto Vyper and love it, my girlfriend has started diving and i was going to get her a computer, and i immediatley decided on another vyper for her. However, I'm thinking about getting into deco and wreck diving, and i was wondering if the gas switching on the vyper is worth buying a vytec for myself and giving her my vyper. Anyone have any opinions?

I must also say that i've read all the computer arguements, i don't rely on my computer to plan my dives, it's just a nice backup, if at any stage it failed i would know my limits, i have a backup timer already, and i don't like air integrated, well mybe if i had a backup pressure guage as well, i'm just wondering if the vytec has anything to offer me for tec diving that the vyper doesn't

thanks

ppo2_diver · Dec 15, 2004

I'm moving from the Cobra to the Vytec. I think that the gas switching is useful. The problem with using your Vyper would be that you would "bend" it on a deco dive or gas switching dive. You would need to use it in gauge mode to prevent from locking your self out of it for 48 hours.

DA Aquamaster · Dec 15, 2004

If you are planning on doing accellerated deco, a gas switching computer is nice to have. A computer without a gas switching capability is going to get very upset when you get out of the water after 20 minutes of deco on Nitrox 50, Nitrox 80, 100%, etc when it thinks you are decoing on the backgas and consequently insists you still have 15 or 20 more minutes of deco to do.

Relying on the computer on a deco dive is a bad idea and the computer does not eliminate the need for careful and thorough planning. Taking a shortcut on the air planning and general dive planning is where people get into serious trouble. But where it is nice to have a gas switching computer is if you do a deep deco dive in the morning followed by the normal shallow run of the mill multilevel recreational dives all afternoon.

mossym · Dec 15, 2004

DA Aquamaster:
Relying on the computer on a deco dive is a bad idea and the computer does not eliminate the need for careful and thorough planning. Taking a shortcut on the air planning and general dive planning is where people get into serious trouble.

100% agree, that is not why i want this computer, i just have an opportunity to get one now, and i'm wondering is it worth the extra money

Uncle Pug · Dec 15, 2004

mossym:
if at any stage it failed i would know my limits

But your bet is the one that counts.

mossym · Dec 15, 2004

okay, let me rephrase that, i know the maximum dive time for the deepest part of my dive, and if it failed i'd know how long i had until i reached my no deco limit..i don't just jump in and wait for my computer to tell me how long i've got left with no preperation..

Uncle Pug · Dec 15, 2004

Would you know when it was giving you mis-information? Would you know how to adjust for lost deco gase(s) and/or missed stops?

Texas Diver · Dec 15, 2004

mossym:
100% agree, that is not why i want this computer, i just have an opportunity to get one now, and i'm wondering is it worth the extra money

I just bought a vytec w/trans for my wife from divetank.net at a really good price. Ask for Richard.

theskull · Dec 15, 2004

The Vytec is excellent. I love mine.

I am a big fan of:
Plan the dive by the tables.
Dive the dive by the computer (but making the deep stops).
Take the table along in a pocket with a bottom timer just in case.

But don't do what I say -- let your conscience, and your training, be your guide.

Dive safe,
theskull

mossym · Dec 15, 2004

Uncle Pug:
Would you know when it was giving you mis-information? Would you know how to adjust for lost deco gase(s) and/or missed stops?

reread my post, i'm not doing anything over 130ft right now, and i know my limits up to that depth, once i do a tec course then i will start worrying about missed stops, for now, yeah i would know if it was saying something ridiculous, and a long hang at 20 followed by another long hang at 15 then a very slow ascent would follow..i don't ever want to be reliant on a computer, thats why i'm asking if this would be useful..obciously from your posts you think not,

is gas switching on vytec useful?

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