CESA over Shared Air Ascent: Which is Best

[ReefHound]

Interesting.

So you consider good buddy diving to include diving with buddies who are only equipped with one second stage?

I don't see where I ever said that or where anyone ever placed buddy breathing as a better option than secondary air sharing.

 

[Adobo]

I don't see where I ever said that or where anyone ever placed buddy breathing as a better option than secondary air sharing.

My question is simple. Why is buddy breathing relevant in this discussion? There are two choices for the poll - CESA or gas sharing with the person you are diving in a buddy team with.

Just to refresh your memory:

You are diving with a competent and accessible buddy
You are at max depth and that depth is 25'
You are diving as a buddy team

 

[ReefHound]

The poll doesn't describe or restrict the method of air sharing. Are you denying that buddy breathing is a method of sharing air?

 

[MauiScubaSteve]

and IMHO at 25 feet the risks of something going wrong on an air share with an instabuddy are far higher than something going wrong on a 25' ascent. The day I can't swim up 25 feet in complete control with no air is the day I give up the sport.

Once again, this thread is not about diving with the incompetent, untrained or unwilling. It's not about instabuddies, it's about sharing air with a competent buddy or doing CESA and which makes better sense from a safety standpoint.

As you get deeper the calculus changes rapidly.

Calculus? What kind of equations are you running?

If this is not a violation of TOS it should be! If you have to resort to deception to make your point, you have no valid point. Both the above statements were made by Darnold9999; why would you edit your reply to make it look like I made those statements?

As I said before...

You are putting words in peoples mouths.

 

[MauiScubaSteve]

Post #44

The rest of your comments are just off topic static in terms of this thread. Valid point in another context, but not relevant to the point of the poll.

Post #32

So far, six people feel it is better to blow off ascent rates and safety stops than to do a normal ascent, while sharing air with a buddy. For the life of me, I can't understand how that would be better.

Post #41

At 25' max depth, you could dive for over 2 hours and still not require a safety stop on most tables. If you know how to do CESA, you could easily take over 30 seconds to rise 25'; I can exhale completely and then wait for over 20 sec before inhaling (just did it). A properly done CESA can easily be done at modern ascent speed (30fps) in your case.

Per the parameters of your situation; those voting for CESA were not saying they would blow off ascent rates or required safety stops. You are putting words in peoples mouths.

So you find my direct reply to your previous post to be "off topic static in terms of this thread", but you are the one who brought it up and ASSumed to know the feelings of the 6 CESA voters. You are the one who set the parameters; choosing CESA neither blows off ascent speed or safety stop and a shared air ascent is not a normal ascent.

 

[Adobo]

The poll doesn't describe or restrict the method of air sharing. Are you denying that buddy breathing is a method of sharing air?

So we have gone in a full circle now...

Interesting.

So you consider good buddy diving to include diving with buddies who are only equipped with one second stage?

 

[hollywood703]

I'm not surprised at all.

Self-sufficiency means different things to different people, and there are always those who distrust anyone else to be competent to help them.

I'd be willing to be the majority (if not all) of those who chose CESA would identify themselves as solo divers ... even if they do occasionally dive with a buddy.

... Bob (Grateful Diver)

also guilty, However, even with a buddy i would still use my choices as listed...based on depth.....less than 40 ft CESA, over that buddy unless not reasonable...Then CESA

 

[AlaskaDiver]

Shared air ascent - only because I have been practicing OOA situations with my usual buddy. If for some reason I were diving with a 'boat match' and was not confident in their ability to share air with me (i.e. if I have seen them less than confident in their own gear usage) I'd do a CESA.

 

[24940]

Post #44

Post #32

Post #41

So you find my direct reply to your previous post to be "off topic static in terms of this thread", but you are the one who brought it up and ASSumed to know the feelings of the 6 CESA voters. You are the one who set the parameters; choosing CESA neither blows off ascent speed or safety stop and a shared air ascent is not a normal ascent.

What's with the bold type? Is that cute way of calling me an ass that doesn't violate TOS? whatever, just curious..... I wouldn't waste a lot of effort in attempting to insult me, it only amuses me and I'm sure that's not your intent.

Anyway..... I don't need to know the 'feelings' of anyone. I know the gas laws and enough about physics to know that anyone doing a CESA will not be doing a safety stop. I also know that very few OOA incidents are planned. As has been stated previously, an OOA incident usually means several things have gone wrong. This sort of pattern does not typically remind me of a person who has their **** wired very tight. That type of person is not typically one to be capable of following an ascent rate any better than they have planned and executed the dive to that point.

A shared air ascent profile need not differ in the least from an ascent profile executed with your own gas supply. It is a normal ascent profile with safety stop and ascent rates being observed.

But tell me this: How does one do a safety stop with no gas?

 

[24940]

If this is not a violation of TOS it should be! If you have to resort to deception to make your point, you have no valid point. Both the above statements were made by Darnold9999; why would you edit your reply to make it look like I made those statements?

Lighten up, Francis.

If I misquoted, I apologize, but I don't think negligent cut and paste is even a venial SB sin.

Tell you what, I'll engage in ten minutes of self flagellation with my long hose for the error. How's that?