I'm Here!

[ExtremeTech]

My intention was not to stir things up here so much, just to contribute something by way of my experiences. For the record, I have found I can dive deep on air, SAFELY. This isn't for the faint of heart and I certainly don't recommend it for all. It takes training and experience.

Where are my tech comrades to back me up on this?? Doesn't IANTD teach deep air (Technical Nitrox). There has to be some IANTD instructors that can back me up on this one!!

 

[raxafarian]

ExtremeTech once bubbled...
.... by way of my experiences. For the record, I have found I can dive deep on air, SAFELY. This isn't for the faint of heart and I certainly don't recommend it for all. It takes training and experience.

Where are my tech comrades to back me up on this?? Doesn't IANTD teach deep

safely... so far, anyways.


You stated 20 "technical" dives in your first post... this is your "experience"

 

[ExtremeTech]

Diettechie,
You sound like you are in good shape. I doubt you need all that weight. That is probably why you were having a hard time swimming. For your warm water rig should only need 10% of your weight. Maybe a little more if you are in the salt water. Now, for a drysuit, it has been my experience that ankle weights are a must when using a drysuit. Nearly all divers find themselves "feet light" in a drysuit so the ankle weights fix all of that. For the record, they work great. No more runaway ascents here!! On the backplate, I'll keep an eye out for ya and do a post if I see something.

 

[Diettechie]

I did read "The Last Dive", and I thought it was fantastic!! Bernie Chowdhurry is great!! It just goes to show you that even if you are a great techncial diver and have done a lot of deep diving (even caves), you can still get into trouble underwater!! I could not put it down!!
Bernie! If you ever quit diving, you DEFINITELY have a career in writing!! That book was a good read!!

 

[ExtremeTech]

raxafarian,
I said 20++ with almost 200 career dives. Care to post your resume?

 

[Diettechie]

Is Bernie still writing??? I need a good book to read!!

 

[chickdiver]

ExtremeTech-

I am going to try and be nice here, rather than ofensive, since I can see that you are getting your hackles raised...... Deep air diving was recognized industry wide as a less than safe practice quite a while back. Helium is a far friendlier gas, and makes your dives a lot more enjoyable. I recognize that you are proud of your resume (most of us are), but rust me on this one, there are people here whose training and experience put you in guppy land.

DietTechie:
Stay far far away from ankle weights, they create more problems than they solve. You should be diving the suit with just enough air to alleviate the squeeze, not using it for bouyancy.

Regards,
Chickie

And before you ask about MY resume darlin':

16 years diving, at approx. 100 dives a year
8 years Instructing
7 years Cave Diving, including deep cave
Trimix instructor

Its early for me, so I'm not gonna be real detailed, but thats a start.

 

[raxafarian]

ExtremeTech once bubbled...
raxafarian,
I said 20++ with almost 200 career dives. Care to post your resume?

sure.
I'm a newbie like you are. 1 1/2 yrs diving. 105 or so dives. 40 warm water. 65 cold water.


But I know BS when I see it. I'm just hoping this is a joke, and not the way you really think.

Ankle weights? Deep air? Able to handle narcosis? Resistant to tox hits? Comeon, you're kidding, right?

If not, at the least, you should have read thru some of the other posts on the board before you posted about your high level of experience. Then you might have realized that there are alot of people out here with 1000's of dives. You just come off as "HEY, look at me, I'm great!!!" without the knowledge or experience to back it up.

I compare your statements to be the equivilant of "I can handle my alchohol, no matter how much I drink. Now give me back my car keys, and I'll prove it".

 

[xoomboy]

ExtremeTech once bubbled...
I have built up tolerance to narcosis.

Check out these links to read up more on how you can't build up a tolerance to narcosis...


"Divers are not able to build up any tolerance or immunity to its effects. "
http://www.marinemedical.com/articles/scuba_response.htm


"Those who *build a tolerance* are in fact only losing their ability to discern the effects of high PP nitrogen. " - UP
http://www.scubaboard.com/t14045/s2a8164f2bbbf986307afae7865e1c6a1.html

For an actual study, see Lambertsen, C.J., R. Gelfand, R.E. Peterson, R. Strauss, W.B. Wright, J.G. Dickson, Jr., C. Puglia and R.W. Hamilton, Jr. Human tolerance to He, Ne and N2 at respiratory gas densities equivalent to He-O2 breathing at depths to 1200, 2000, 3000, 4000 and 5000 feet of sea water. Aviat. Space Environ. Med. 48: 843-855, 1977.

A lot of other sources cite this study in their argument.

Further references to actual studies on nitrogen narcosis and their effects on human physiology and psychology, visit the following two links:

http://www.uphs.upenn.edu/ebdc/components/component_2/PSII/

http://www.uphs.upenn.edu/ebdc/components/component_1/primary/12_3.shtml

An interesting article on the relationship between anxiety and perceived narcosis...

http://www.diversalertnetwork.org/medical/articles/article.asp?articleid=42


"...there is a wide range of susceptibility among individuals. And individual sensitivity can vary from day to day."
http://www.scuba-doc.com/narked.html

This is a pretty good paper, as well:
http://www.sportsci.org/encyc/drafts/Nitrogen_narcosis.doc

And the final, crushing blows...
http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=2741255&form=6&db=m&Dopt=b

http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7742709&form=6&db=m&Dopt=b


Okay, that's enough evidence for today, I think

Matt

 

[King Kong Matt]

One (or both) of these people have some explaining to do. Check out diettechie's last post in this thread and click on "her" IP address...

67.25.209.172.Dial1.Detroit1.Level3.net

Why is someone from MD using a dialup account from MI? Is it coincidence that someone actually from MI posing to be from someplace else is answering questions to someone else from MI?

ExtremeTech's IP address...

bgp01034901bgs.sothfd01.mi.comcast.net

Sounds to me like someone has a cable modem and a dialup and was looking to have some fun.

Of course, if I am wrong, please tell me so...