Dacor (RAVBCD) ?

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The computer wasnt in my opinion wasnt bad per say. When I used it everything seemed to work ok but my max depth was only 9 feet. Something I did notice was that the computer only stated 8 feet. So either the pool isnt exactly 9 feet or the computer only works within a foot or two. That would have been managable. However because the computer wasnt air integrated it didnt do nearly half the things that I thought it would do. That was my fault really. What concerned me the most about the computer was what Dacor said. Posted Dacors emails to me in a different thread but basicly what they said was that the computer was known to cause problems and that it was unsafe to use. So as you might see I was very concerned. That doesnt mean that it wouldnt have worked but when Dacor isnt willing to stand behind it why should I? Thats the way I thought about it anyway. As far as the reg goes...the high pressure seat does work but the 2nd stages all needed to be serviced. According to the dealer it had never been serviced once. I have no choice but to trust is judgement. He said that he would be able to maybe get one more year out of it but after that the parts would be impossible to obtain. So thats not good either. What you cant see in the picture and I couldnt either for that matter was the rust and algy. So it would have taken a lot of work to even clean it up let alone use it. Its all good though in the end. I wont lose too much money on the deal but I am certainly turned away from ebay. You just cant trust the other party. Who knows what you will get.
 
I find that my two computers (Suunto Mosquito & DataPlus Pro) are usually about one foot off in fresh water (also pool). I'm not sure how to explain this to you, but as I understand it such a reading is not the fault of the computers but of thr densitity of the salt water Vs Fresh.:)
 
My guess is that the computers are calibrated for salt water which is heavier than fresh. Therefore, it takes 9-feet of fresh water to equal the weight (pressure) of 8-feet of salt (approximately).

Too bad about the Enduro not working out. The 2nd stage design sounded neat with having the exhaust valve integrated into the diaphragm. That would make the exhalation easier because the exhaust valve would be higher and you would push your exhalation against less water pressure. That's also why it didn't have a conventional exhaust tee and vented the air off to the sides of the regulator case.

Have fun with the air integrated computer and your new Viper. I like the Viper (though I don't have one) because it is small and light-weight.
 
its funny that you guys would mention that about the different readings in salt versus fresh water. The pool I went too was being occupied by an instructor and his class and I asked him what he was measuring as the max depth of his pool. He told me 9 feet and when I said "hmm...strange my computer must be busted since its only reading 7 to 8." He then told me that it might be because it is tuned for salt water and that it might be off a foot or two. He told me not to worry about it at all. Im so freaking anal about stuff like that though. Not to mention that I already had hesitations about the computer so obviously I was looking for any tiny thing to be wrong with it, regardless of whether or not it was a problem. See at this point I am as happy as can be that now I get a brand new computer that is state of the art and what not. Deep down I guess what I was really trying to do was convience my self that the computer was a total piece and there for I needed to get a new one. Now that I have one on the way I dont have a care in the world. Hey, I thought this was a scuba board and not a psychology board. lol. I never posted a link to the new computer that Dacor is going to let me upgrade into. What do you guys think? I think its well worth the 200 dollars..... http://www.joediveramerica.com/Merchant2/merchant.mvc?store_code=JDA&screen=PROD&product_code=434211
 
jadmcse once bubbled...
What do you guys think? I think its well worth the 200 dollars.....

That's impressive. My local dive shop charges $69 for just a pressure gauge. They charge another $29 for the HP hose to go with. When you consider that, $200 for all those bells and whistles sounds like a good deal. I'd carry a spare battery in your gear bag, though. With a dead battery you won't know how much air is in the tank.

I do a lot of diving without a pressure gauge and use a J-valve. You can get a j-valve off ebay for about $15 and a pull-rod to go with it from vintage scuba supply for $7. It might sound like an odd suggestion, but a J-valve would be a nice backup to have in case the electronic pressure gauge goes dead in the middle of a dive. It is also nice to have a wrist watch and dive tables as a back up to the computer.
 
I do a lot of diving without a pressure gauge and use a J-valve.

You CAN'T be serious.

I mean, sure - people USED to do that decades ago, but the practice has long since been abandoned, for VERY good reasons.

You dive without a pressure gauge at all?

Please tell me this was just a joke, and you're trolling. But that's not a very nice thing to do to a new diver.
 
I didn't tell him to dive without a pressure gauge. I was suggesting a backup to a battery driven gauge. What is wrong with using a J-valve as a backup? You would prefer to have a non-functioning gauge and a K-valve? How is that safer?

My tanks have J-valves, so every dive I make with them is using a j-valve. Even if Im using a regulator that has a pressure gauge.

The attached picture was taken yesterday. I'm the one in the yellow wet suit. The regulator does not have a HP port for a pressure gauge. The j-valve and pull rod work fine.
 
I can see it now...

"I don't need those fancy seatbelts or airbags. I'll just hold on tight and try to avoid hitting things."

"An Elevator! What if it fails! I'll just climb up using this rope and grappling hook."


Tell me - do you just use rocks for a weightbelt as well?

To put it a little more tactfully - you should reconsider your gear choices to reflect upon advances in technology which make diving far safer and more enjoyable today. And please don't tell new divers to consider using something ruled obsolete 20 years ago.
 
Forget the j-valve idea. It is un-necessary and would add complication.

To quote another board poster: "In my experience with normal hose equipped air integrated computers, you still get an SPG reading if the computer dumps on you and most offer enough battery capacity to survive a dive with a low battery in cold water. With most air integrated computers as long as you preflight the unit to ensure the battery is not low, you'll be fine."

And if you do notice a problem during a dive, there is no need to panic. Just simply come up and check it out on the surface.

Back to the original idea, carry a spare battery in your gear bag and change it if the computer gives any indication of a low battery.

If a back up pressure gauge is required for whatever reason, you can always add a mechanical gauge to your regulator set.
 
First off I think most of you nay-sayers will be pleased to know that this particular computer is powered by 2 AA batteries. Which as I understand it is pretty sweet. However since I have very little experience I can only repeat what others have said. The batteries would be highly accessable and easily obtainable however I would suspect that unless I used the very high end Alaklines they would probably need to be replaced more often.

Not that I would ever use a J valve setup I am curious though what that is. From the picture it looks like the valve that goes into a tank. So my question is what good would that do as a back up? Are you sugesting that I replace the valve which I think is called a Din and put a J valve? Again I am very comfortable with the equipment I am currently using and would never try something like that unless I was either trained or had tons of experience but I am curious from a historical prespective. How does that setup work? What is the rod for? Does it someone tap into a reserve portion of the tank? Enough for you to get to the surfice on anyway? For those of us unfamilar with the old ways I would be curious to learn. By the way the pic of you in the creek looks great. kind of looks like your in the jungle or something. If you all had some camo paint on I would think you were in the Army or something.
 

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