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Yea... Would love a Panasonic Toughbook.. Those things are Tasty! :) The RFID reader sounds like the best bet yet. You could incorporate it with a Tag and waiver system. That Long Range one you link to is CHEAP! I am going to have to buy one just to play with. Although its...

Close but not entirely true. RFID Tags work by interrupting the electric field of a reader, The fields are sort of "Close in" meaning that an RFID field that would encompass a whole boat would take a whole lot of energy. Most RFID Readers are near proximity (couple Inches) or gateway (looks...

I think certification is dependent on where you get it. Here in Oregon, you can pay $65 to get certified at one of the community colleges (That would be the 1 credit course cost for Mount Hood Community College). The Same shop that runs the college course also charges about $275 for a 1 day...

Thanks for all the great information gentlemen. Definitely a lot to chew on. From what I have discovered with the eCCR and mCCR debate related to deaths has mainly been due to Diver error coupled with lack of diligence or equipment failure. I am noticing a trend more towards safety with...

Haha.. Shameless Plug!! Thanks, Didn't know that mag existed. Will look it up. Thank you.

When researching I looked briefly at the rEvo but begin thinking that the dual canister with the central locking mechanism would be bad point of failure. However, further reading has revealed that you can get a titanium case for it, and they are coming out with a hybrid.. sort of a mCCR with...

Thanks, I figure if I am going to fork out $15,000 on gear and training, it would be best to ask around and do lots of research. I think that would be the #1 reason to pay the extra bucks for the eCCR. However, you make a point (and it has been pointed out elsewhere on this board) that if...

Yes, Excellent sense, but in terms of rebreathing, wouldn't the change in your body O2 level be commiserate with the intake of O2? In other words, Changes won't happen suddenly but could be easier tracked as the body metabolizes oxygen. So in addition of being able to watch your O2 Sensor...

Very interesting, Don't they measure the real time oxygen saturation? I know there are several units like the "SPO Pulseox Check Mate Oximeter (Heart Rate & Oxygen Saturation)" Which is designed to give real time analysis for people like pilots and what not. 5 minute lag could mean that they...

Why hasn't someone modified a pulse-ox meter to affix to a heads up to notify you when your O2 Saturation drops? Wouldn't that be an easy "Gauge" that could give you real time feedback that your not getting enough Oxygen? Also, Unlike the O2 Sensors- They don't go bad since they read with...

What about taking an eCCR and lowering the set point and managing it as a mCCR, I know you have the solenoid as a single point of failure, Are there eCCR's with Selenoid bypasses for underwater mCCR usage?

Thanks for the responses. I have poked around on both this site and rebreather world, however, since I am more "Known" here, I figured I would not be seen as trolling with my question. It seems most you guys cross pollinate over onto that board. I am definatly going to go into a rebreather...

Yes, I read the wonderful sticky in this sub forum. Great info. It was looking like to me, no one is bothering with SCR's anymore. The SCR Dragers that I dove had (only) one Oxygen sensor. They did not bubble "All the Time" but I would imagine more frequently then CCR's. I can understand...

I have been interested in rebreathers for a bit. I had the option of going and doing a Drager Dolphin Demo up in Washington a while back and I got to do a couple dives with an SCR. Simple as could be, Crack a valve and go play in the water. I thought that was the coolest thing since the...

I love the writeup. There are several questions that New Divers ask that are hard to find the answers for. I don't think the information is to advanced. I feel if your going to be diving, gas management should be beat into the students head from the beginning.. One of my dive partners...

Don't drink and Dive, oh. and.. Don't eat the green ones, they aren't ripe yet.

Ooh. Sounds chilly! :) The Freshwater dives I have done were pretty boring, No current. The only life was trout and crawdads. and the only flora were cut down trees. BUT the water was very warm! Even though it was off glacial melt at the foot of Mt Hood. I also dove a clear river, only...

BAH! :D How I envy you warm water Divers! ;p Oh How nice it would be to go diving without strapping on a boat anchor.

All my instructors have stressed proper weight management and go to great lengths to ensure that they and their students are properly weighted. I think there diligence pays off with better trained students. I think overweighting yourself on purpose without a BC went out before the J-Valve ;)...

I have a friend who was also a gas guzzler, he can easily empty a 120 CF in 30 minutes. Over time he was able to control his buoyancy better. These are things I learned when helping him: Getting a grasp on how much weight you need is important. If you carry too much weight, sometimes one...