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Author Topic: Ratio Deco  (Read 10689 times)
PMH
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« on: August 19, 2008, 03:07:08 PM »

Ok people....

how about a speal on ratio deco.......a bit of a please explain
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« Reply #1 on: August 19, 2008, 04:29:13 PM »

Best written explanation I've seen. http://teamfoxturd.blogspot.com/2007/04/tech1-ratio-deco-explained.html
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PMH
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« Reply #2 on: August 19, 2008, 04:40:38 PM »


frinted it off for a read...looks interesting ta

I do like team 'foxturd'.....I know a few DIR guys who could call themselves 'team dogturd'

who is the founder of ratio deco by the way

when you are on the link check out the pic of Badger!....mask on backwards...seriously this is getting rediculous
« Last Edit: August 19, 2008, 04:43:47 PM by PMH » Logged
leaky
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« Reply #3 on: August 19, 2008, 07:37:22 PM »

jeez PH have you been converted? thanks for asking!
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PMH
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« Reply #4 on: August 19, 2008, 09:32:24 PM »

jeez PH have you been converted? thanks for asking!

no no no.....I am always interested in diving stuff...and I am aware of the 'deco on the run' stuff...but a link on dive oz sparked my question....foxturd site seems interesting though....I just don't want to dive like a ninja!

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« Reply #5 on: August 20, 2008, 07:05:01 AM »

at this point harvs, i guess you dont care how you dive, you just want 2 be able to dive somewhere Grin Grin Grin Grin Grin
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PMH
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« Reply #6 on: August 20, 2008, 07:21:03 AM »

at this point harvs, i guess you dont care how you dive, you just want 2 be able to dive somewhere Grin Grin Grin Grin Grin

until you pass your pen course...at this point I wouldn't be such a smart ass about diving, when you are rated to dive as deep as myself and have done so safely then you can shitme about diving, when you look as good as I do in a 3mm, then you can still shit me about diving, so until you have acheived these things shut the f**k up.


but your write I wouln't mind a fresh water dive! fuck it  Grin
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JD
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« Reply #7 on: August 20, 2008, 06:28:39 PM »


until you pass your pen course...at this point I wouldn't be such a smart ass about diving, when you are rated to dive as deep as myself and have done so safely then you can shitme about diving, when you look as good as I do in a 3mm, then you can still shit me about diving, so until you have acheived these things shut the f**k up.

Gee Paul, getting a little precious in your old age!
I didnt see anyone there attacking your diving credentials, or the way you dive, just the fact you cant. FACT: You cant dive fresh water due to your suspension, and you cant dive salty due to your involuntary need to evacuate your stomach when a boat hits surface ripples. I sympathise with you tiger, but these guys did not just do what you accused them of.

Good luck to all on the pen course. It is designed to trip you up, and some very good divers have come unstuck, so passing is certainly something to be proud of.

JD
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PMH
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« Reply #8 on: August 20, 2008, 07:36:53 PM »


until you pass your pen course...at this point I wouldn't be such a smart ass about diving, when you are rated to dive as deep as myself and have done so safely then you can shitme about diving, when you look as good as I do in a 3mm, then you can still shit me about diving, so until you have acheived these things shut the f**k up.

Gee Paul, getting a little precious in your old age!
I didnt see anyone there attacking your diving credentials, or the way you dive, just the fact you cant. FACT: You cant dive fresh water due to your suspension, and you cant dive salty due to your involuntary need to evacuate your stomach when a boat hits surface ripples. I sympathise with you tiger, but these guys did not just do what you accused them of.

Good luck to all on the pen course. It is designed to trip you up, and some very good divers have come unstuck, so passing is certainly something to be proud of.

JD

I was planting my tougne in my cheek when I was typing that reply, hence my last sentence...I believe in other posts I have wished them luck

who's being.......?
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« Reply #9 on: August 20, 2008, 09:00:34 PM »

From "Deeper into Diving" Why worry about getting DCI?

Quote"A issue that frequently troubles divers is the possibility of long term adverse effects, even in the absence of having suffered obvious decompression illness. Much of the research done in this area has been of poor quality, and extreme care is needed in interpreting the results.

Many anecdotal descriptions of long term effects and almost all of the relevant studies pertain to commercial rather than recreational divers. Furthermore, although various studies have identified phenomena (such as small brain lesions detected by advanced scanning techniques) that are suggestive of tissue injury due to some unnoticed event (probably bubble formation) during commercial and recreational diving, it remains true that no study in recreational divers has yet shown that  diving actually produces any problems that might impair the divers function in daily living.  We do not dismiss this possibility however, and this is an area of research that will be watched with interest over the next decade."Unquote.

They should save themselves some money on research and just check out some of the posts on this forum  Grin Grin Grin Grin Grin Grin Grin Grin
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PMH
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« Reply #10 on: August 21, 2008, 08:33:57 AM »

ok so I read the ratio deco article from the foturd divers so here goes....

withsatnding my views of the GUE community

what a load of garbage.........why the hell should a diver have to do so much mathematical calculation to create a run time on the go is beyond me AND possibly dangerous....sorry but I am happy with my computer doing the calcs for me with my back up preplanned runtime with bottom timer if needed. As far as I am concerned ratio deco is NOT Doing It Right but darn right riduculous and an unnesessary way of dive planning and deco

I would rather put my life in the hands of Ross Hemmingway than a couple of redneck yanks who think they are better and just want to be different...I say take your ratio deco and jamb it up your 'Wakulla spring'

but hey I may not really understand it  Grin

ps On you could be right!! Huh
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« Reply #11 on: August 21, 2008, 10:42:52 AM »

ok so I read the ratio deco article from the foturd divers so here goes....

withsatnding my views of the GUE community

what a load of garbage.........why the hell should a diver have to do so much mathematical calculation to create a run time on the go is beyond me AND possibly dangerous....sorry but I am happy with my computer doing the calcs for me with my back up preplanned runtime with bottom timer if needed. As far as I am concerned ratio deco is NOT Doing It Right but darn right riduculous and an unnesessary way of dive planning and deco

I would rather put my life in the hands of Ross Hemmingway than a couple of redneck yanks who think they are better and just want to be different...I say take your ratio deco and jamb it up your 'Wakulla spring'

but hey I may not really understand it  Grin

ps On you could be right!! Huh

Paul, The calculations may seem complicated but are actually quite simple. Compare the same dive plans to Decoplanner software and the plans are very close, maybe changing some areas to incorporate deep stops.
We put our dive plans through Deco planner for safety, do the comparisons then set and forget.
The ability to be able to easily change plans on the fly is a safety benifit in my view.
No computers, no slates, no wetnotes, no multiple backup plans required.

Not for everyone but good for me
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« Reply #12 on: August 21, 2008, 02:21:07 PM »

Simple example Dive to 45m for 20mins BT, 21/35 back gas ,50%02 from 21m

20mins bt = 20 mins deco, 10 mins spread between 21m to 9m stops the other 10 mins between 6 & 3 m

Stops between 21 & 9 can be linear ie 2mins @ each stop 

21 - 2
18 - 2
15 - 2
12 - 2
9  - 2

or S curve to take advantage of oxygen window

21 - 4
18 - 2
15 - 1
12 - 1
9   - 2

On a not so aggressive dive such as this linear is fine

Then spread last 10 mins between 6 & 3 m say

6 - 6
3 - 4

Then slow ascent from 3

Simple and easy to remember, if you change bottom time or depth ,adjust accordingly as per information on other site, not going to go into it here unless asked.

Only to be used within parameters of Tech 1 dives with standard gases, thats where the training comes in, ie when to use it or not.
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PMH
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« Reply #13 on: August 21, 2008, 03:07:36 PM »

Simple example Dive to 45m for 20mins BT, 21/35 back gas ,50%02 from 21m

20mins bt = 20 mins deco, 10 mins spread between 21m to 9m stops the other 10 mins between 6 & 3 m

Stops between 21 & 9 can be linear ie 2mins @ each stop 

21 - 2
18 - 2
15 - 2
12 - 2
9  - 2

or S curve to take advantage of oxygen window

21 - 4
18 - 2
15 - 1
12 - 1
9   - 2

On a not so aggressive dive such as this linear is fine

Then spread last 10 mins between 6 & 3 m say

6 - 6
3 - 4

Then slow ascent from 3

Simple and easy to remember, if you change bottom time or depth ,adjust accordingly as per information on other site, not going to go into it here unless asked.

Only to be used within parameters of Tech 1 dives with standard gases, thats where the training comes in, ie when to use it or not.


wow there's $5k worth
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« Reply #14 on: August 21, 2008, 05:37:11 PM »

Sorry, thought you were after explanation & discussion, not cost/benefit analysis. Silly me  Roll Eyes Roll Eyes Roll Eyes
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