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I started out with a stainless steel backplate for my singles wing with aluminum 80s. Need a few pounds of weight. Got a steel 3442 100 - needed very little weight. Got a doubles wing and a set of LP108s for cave diving. The stainless is too much. I needed to drop some weight but didn't have...

DIR-F (GUE-F) does not replace cavern/cave classes. F is for Fundamentals - GUE-F focuses on trim, buoyancy, kicks, etc. GUE offers Cave courses also which would replace cavern/cave from other agencies. As far as PADI cavern versus others. Its all about the instructor. However if you intend to...

Model number is almost always helpful in cases like this. Given that someone can probably tell you exactly the cable you need. Also knowing what you have available on your computer would help - USB, Firewire, etc.

Honestly I think it was somewhat improved on the last trip. Should be back this weekend if everyone is healthy.

Peter nails it. My wife and I have not taken DIR-F. We did however work on buoyancy and trim prior to class. We were comfortable with our long hoses and other gear (it was not new on the first day of class). It was about 2 years from OW cert to Intro to Cave cert. But of course 2 years to a...

I'm interested in the logic behind this also. 2 person dive team - 2 x 80@3000 each + double 120's or so each. 1300PSI used in each stage ~= 35 cf max penetration = 70 cf So assuming a highly unlikely situation of losing ALL stages + one backgas at max penetration. You still have...

My wife is 5'6" and the small fits her fine. I would bet it would be too long for you. I got her the 4 WAY ANTARCTICA DRY SUIT and if your suit is snug I'm not sure if you could get it in - its really thick.

This subject comes up and you will find lots of people who took a course and lots didn't. If its a PADI course the PADI line is to use the DS for buoyancy - I believe an attempt to make it more simple. I disagree with this and use air in the DS to keep squeeze off and for warmth. I jumped in...

He said he surfaced with 900 PSI - How much would you reserve for the safety stop? - the only thing he skipped was the safety stop. If this was an 80 cu ft @ 3000 PSI - thats almost 1/3 in reserve at the end of the dive. I don't know about you but 900 psi on an 80 at 15 feet will last me a long...

Thats kinda the point of this whole forum. Read on and learn.

I just got a Neilmed this weekend. I've never had sinus problems before but lately I've had a lot of post nasal drip that has caused me to cough all day. Its funny I was reading about this somewhere else and then noticed this thread. I did it Sunday and Monday morning. I felt clear all day and...

Absolutely - If you put too much pressure while equalizing you probably have some middle ear barotrauma. You should consult a doctor - especially ENT familar with scuba diving injuries. If you have irritated the tissue in there - it could easily get infected. Middle ear barotrauma frequently...

No offense taken - its just an over generalization and an assumption that I don't factor NDLs into my dives. Which couldn't be further from the truth, but apparently help you make your point.

I agree Deadalus. However I feel the extra redundancy should be a requirement even at the intro level. You can get a long way back in a system on 1/6 of doubles. Going further doesn't necessarily make it more dangerous - I believe in the rules of no jumps, tees, etc - but limiting gas is just an...

Sea Elite is Divers Supply house brand - different items are made by actual different manufacturers.

Before my first cavern dive in my cavern course - I ran lines on land and in open water, I practiced no visibility OK exits on the line on land and in open water, and I demonstrated proper buoyancy, kicks, air shares, etc. Is this truly no different than doing a guided dive?

Thanks - I'll have to pass this time around. If I'm going to drive and pay the fee for JB I'd like to do multiple days - probably head to the Luraville area and hit peacock and little river. SuPrBuGmAn - I do want to meet up with you sometime for JB though. I like reading your reports and would...

The problem here is without proper training how does one make an informed decision about a "safe" cavern versus a "non-safe" cavern. The Ginnie ballroom is open to OW divers - but should it be? Plus silt is not the only danger to the cave - panic, pinned on ceiling, just plain stupid ;) - and...

"We feel the Freedom Plate is the most streamlined backplate available for the modern scuba diver." Great and is it the streamlining affecting the diver's drag coefficient? Get a plain old backplate - Aluminum or Stainless depending on your weight needs -, a simple one piece harness, and fit...

Newton wants his apple back. ;) More weight, same velocity = More momentum. However more lift = more buoyant force counter-acting that momentum. I certainly haven't noticed any differences.