Rec Trimix

[Soggy]

Wasn't talking about EAN32, was talking about Trimix.

Why does a change in the gas make it technical if there is no change in the profile? A 30/30 dive at 100 ft for 30 minutes is an NDL dive.

 

[TheRedHead]

Lowest common denominator? Come on now...if they can't do the skills, they can't get the card and should stick to diving below 30' or so where they can liftbag themselves and their 50 lb weight belt to the surface because they obviously lack basic diving skills.

This is an unproductive argument to have and I have better things to do.

 

[Soggy]

This is an unproductive argument to have and I have better things to do.

I'm sorry, but if one is so incompetent as to not be able to change their profile from stopping for 5 minutes at 15 ft to stopping every 10 ft from 50 ft up, they should not be in the water at all, or at least not anywhere near the limits of a CESA.

 

[TheRedHead]

Ahh...you're using it as a pony bottle.

Nope, a deco bottle - just in case. My Suunto would not be happy with a 30 min. BT. *waits for lecture on computers*

 

[Marlinspike]

or that your posts are not making any sense.

I will explain how quoting works for JeffG and a couple of others here. You quote what another post says so you can reference it in your own post. The poster intends for you to read what they quote from another post as part of the message so you know what they are talking about or referring to.

If you had read what I quoted as part of the proper post, you would have noticed that Do it Easy had referenced me, and I was thus answering him. It is really not that hard a concept to follow.

~Marlinspike

 

[TheRedHead]

I'm sorry, but if one is so incompetent as to not be able to change their profile from stopping for 5 minutes at 15 ft to stopping every 10 ft from 50 ft up, they should not be in the water at all, or at least not anywhere near the limits of a CESA.

Why don't you argue that in the general scuba forum? I get the feeling that Floater ran to the mothership to get a bigger gun. :lol:

 

[amascuba]

well lets do a little experement
everyone.. use you best judgement in best mix and use whatever you want. tables....or a program.... and post up and lets compre profiles....
say 20 minn at 210 FSW
have at it
post up what ya get and what program or whos tables you used...
lets get something constructive outa this post?

Zplan v1.03
(c) Copyright 1997-98, William M. Smithers

DIVE PLAN

Waypoint at 210ft for 20:00 (24) on Trimix 18.0/60.0, PPO2 1.324, END 84
Deep Stop at 170ft for 0:33 (25) on Trimix 18.0/60.0, PPO2 1.106, END 68
Deep Stop at 160ft for 0:33 (25) on Trimix 18.0/60.0, PPO2 1.051, END 64
Deep Stop at 150ft for 0:33 (26) on Trimix 18.0/60.0, PPO2 0.997, END 60
Deep Stop at 140ft for 0:33 (26) on Trimix 18.0/60.0, PPO2 0.942, END 56
Deep Stop at 130ft for 0:33 (27) on Trimix 18.0/60.0, PPO2 0.888, END 52
Deep Stop at 120ft for 0:33 (28) on Trimix 18.0/60.0, PPO2 0.834, END 48
Deep Stop at 110ft for 0:33 (28) on Trimix 18.0/60.0, PPO2 0.779, END 44
Deep Stop at 100ft for 0:33 (29) on Trimix 18.0/60.0, PPO2 0.725, END 40
Deep Stop at 90ft for 0:33 (30) on Trimix 18.0/60.0, PPO2 0.670, END 36
Deep Stop at 80ft for 0:33 (30) on Trimix 18.0/60.0, PPO2 0.616, END 32
Norm Stop at 60ft for 3:00 (33) on Nitrox 50.0, PPO2 1.408, END 60
Norm Stop at 50ft for 3:00 (36) on Nitrox 50.0, PPO2 1.256, END 50
Norm Stop at 40ft for 5:00 (41) on Nitrox 50.0, PPO2 1.105, END 40
Norm Stop at 30ft for 8:00 (49) on Nitrox 50.0, PPO2 0.954, END 30
Norm Stop at 20ft for 12:00 (61) on Nitrox 80.0, PPO2 1.284, END 20
Norm Stop at 10ft for 22:00 (82) on Nitrox 80.0, PPO2 1.042, END 10

TOTAL DECO TIME: 59 minutes.
DIVE RUN TIME: 82 minutes.
CNS Total: 35.4%
OTU's: 98

Time to Fly: 5.5 Hours

This is about the best profile I could come up with. I used the WKPP model in zplan, but if you used the pyle model then the run time comes out the same.

Here is a dive based on the vpm model from hlplanner

Depth(FSW) Time Runtime Gas CNS% OTU
130.00 00:00:21 00:26:00 TMX 18/60 13.40 35.82
120.00 00:01:00 00:27:00 TMX 18/60 13.65 36.56
110.00 00:01:00 00:28:00 TMX 18/60 13.86 37.20
100.00 00:02:00 00:30:00 TMX 18/60 14.23 38.27
90.00 00:03:00 00:33:00 TMX 18/60 14.74 39.55
80.00 00:03:00 00:36:00 TMX 18/60 15.18 40.50
70.00 00:02:00 00:38:00 EAN 50 17.33 43.77
60.00 00:02:00 00:40:00 EAN 50 18.72 47.12
50.00 00:04:00 00:44:00 EAN 50 20.78 52.85
40.00 00:04:00 00:48:00 EAN 50 22.46 57.63
30.00 00:07:00 00:55:00 EAN 50 24.57 64.20
20.00 00:08:00 01:03:00 Oxygen 40.20 79.40
10.00 00:15:00 01:18:00 Oxygen 48.46 101.78

 

[Soggy]

Nope, a deco bottle - just in case. My Suunto would not be happy with a 30 min. BT. *waits for lecture on computers*

Ok, change it to a dive that would make your Suunto happy. 25 mins?

It's a pony bottle if it's a "just in case bottle." That is the definition of a pony bottle.

 

[Soggy]

Why don't you argue that in the general scuba forum? I get the feeling that Floater ran to the mothership to get a bigger gun. :lol:

Ok...you start the thread. I am completely willing to make that statement in any forum you want me to.

 

[JeffG]

I will explain how quoting works for JeffG and a couple of others here. You quote what another post says so you can reference it in your own post. The poster intends for you to read what they quote from another post as part of the message so you know what they are talking about or referring to.

If you had read what I quoted as part of the proper post, you would have noticed that Do it Easy had referenced me, and I was thus answering him. It is really not that hard a concept to follow.

~Marlinspike

Thanks for your help. I wouldn't of been able to understanding quoting if it wasn't for you. <snicker>

Much easier to talk about quoting than anything of substance too. Safer for you.