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saturated:
Hey guys....looks like its storming in happyville' :eyebrow: Have to agree though, the box should be moved.

CCRBOY, granted everything causes cancer, people pass diseases and accidents happen....all the more reason to not breathe this crap.

Having been a CCR diver for well over 20 years I can tell you that UNKNOWNS SIMPLY DON'T FLY since most CCR guys I know are pretty anal (including myself)! MikeR is the worst though :eyebrow: That insures long term survival, guys that are NOT end up NOT BEING. We do everything a specific way everytime, everything lines up or we dont dive. When people we respect and that are smarter than us tell us this could be an issue, it gets the brain going....most of us have learned over the years that if someone smarter than you says it may be an issue....generally it will be proven to be so down the line.

IMHO it would be better to simply change the configuration than to try and convince everyone its not an issue, the latter will never happen. Most of the guys on this thread are inspiration divers, a couple of them are respected inspiration instructors, I am an inspiration diver. All of us are highly defensive of our kits, but this does appear to be an issue that will take longer to prove than to correct. Most students today do their research. So given the threads on this exploding all over the internet...it could and will effect sales.

It also puts the instructors in an unfair position. When asked about the effects the battery gas will have long term the only truthful answer is I don't know.

Folks,

I repeated what Sat had to say, and added emphasis because this is the common-sense, realistic view!

Anyone can tell me: "Hey! Don't worry about it! There are lots of things more dangerous than this!" I may, in fact be willing to accept that for MYSELF. (I do not, but we'll pass by that for the moment.)

As an Inspiration instructor, I can not, and will not tell a student, if I am asked about this: "Oh, don't worry. You'll be okay!" I SIMPLY DON'T KNOW THAT HE WILL BE OKAY!!!!

Since I am also a Diver Medic Technician, I have to live by the medical directive: "First, do no harm." Without some kind of proof to the contrary, I HAVE to assume the worst, and respond by being safe and conservative.

When you ask me: "Should I breathe these gasses? Is it okay?" I have to answer with an unequivocal: "NO!!!" That is the only way I can fulfill my responsibilites as a medical person, to say nothing of my responsibilities as an instructor.


BJD :doctor:
 
prismdiver:
1. The US Navy tests put a single battery in a container measured the offgassing and gave the results. A YBOD has two batteries, so the results need to be doubled.

There is alot of unknowns, I don't disagree with many of your points but the above is wrong...

The amount of gas created by a battery depends on the drain, even the levels they measured are suspect.. What constitutes a normal load???

On the inspiration the unit that is acting as the master is drawing considerably higher current levels than the secondary.. Whenever the solenoid is fired or a backlight is activated the current draw goes up considerably... on average the slave lasts twice as long as the master or longer..

Also as depth increases the effective concentration will drop since the loop is being filled with another gas,, whats the effect we don't know?? How much gas escapes the battery container?? we dont know.. The container isn't sealed but gas exchange doesn't happen easily either...

There are many questions that should be answered, but I wouldn't stop diving it either, the breathing loop is still probably cleaner than the air most people in metropolitan areas breathe.
 
BJD,

No judgement...
We all accept the risks we are willing to accept. I do respect your point on the issue of your responsibility as an instructor. My post was not intended to pacify or belittle but mearly state my slant on the issue. I do not like the way groups of people will sometimes jump on the freight train of fear. I question all data. Something as simple as a math error or testing inconsistencies or even overly conservative exposure limits can slant the information to the point that people become scared. I agree with you on not exposing myself to unnecessary risks, but not to the point that I miss living to do so.
Respectfully,
Ryan
 
Hootis:
BJD,

No judgement...
We all accept the risks we are willing to accept. I do respect your point on the issue of your responsibility as an instructor. I agree with you on not exposing myself to unnecessary risks, but not to the point that I miss living to do so.
Respectfully,
Ryan

Ryan,

Oui, je compren pas ici, mon ami!
 
I agree it is probably nothing and definately would not quit diving the unit...I love my YBOD :10:

But one of the below must occur in a timely manner.

1) absolute proof from an independent third party that we are all paranoid :wink:

2) move the batteries.

While I dont really view this as an immediate life threatning issue, it is an unknown...just needs to be resolved so we can move on to adding the viagra inhalers to the loop :11ztongue
 
saturated:
...just needs to be resolved so we can move on to adding the viagra inhalers to the loop :11ztongue
Enough of the current offgasing and you might just need viagra. :wink:
 
Folks,

There is a rumor that work is afoot to re-do the test under more "realistic" conditions, whatever that might mean. I have no way of knowing if this is true or not. I certainly hope that it is!

We just need more information on this subject!!!! :crossbone
 

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