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look again. he disconnects his drysuit inflator to inflate the bag. Because of the length of the inflator (remember, its coming under his arm) and the fact that he's looking down when he inflates the bag, Id say the opening of the bag is just in front of his face. Also, if you look at his...

There's a guy in the UK who teaches what he calls a twinset fundamentals course (twin-f). It's basically DIR-F without the kool-aid & fitness test. I believe Frank is a TDI Instructor trainer, IANTD adv. trimix & full cave Instructor as well as a Drager, Submatix, KISS & Inspiration...

So rather than hanging s**t on the guy how about someone answer the question?

Im surprised noone has yet told you to get your money back and buy a bp/w :) All the people who say you can't live without a rear dump valve obviously dive a wetsuit. In a drysuit, you dont have a rear dump valve. You do some training to make sure that you dont get into a situation...

Is it possible to still do the DIR-F course while not meeting the requirements? Im thinking along the lines of being a smoker or not being able to do the underwater swim test. Not getting a card dosen't concern me.

I have an air intergrated smart com console computer. I used to clip it off on my belt, but since getting my harness I now clip it off onto the left chest dring while diving. When horizontal, it sits just below me so all I have to do to look at it is look down. It leaves both my hands...

You can also try fish in ther city - www.fishinthecity.co.uk They are located in central london, near liverpool st. Their website is a little crap, but the guys that own it actually dive in the UK, including deco & trimix dives, rather than just owning a shop to sell gear.

good point, my bad. Im getting confused with DS4 & DST. As far as the "larger heat exchanger" - more fins = more surface area = larger heat exchanger.. (ok, maybe Im reaching - I know).

I have a smart com. I love it and have had no problems with it whatsoever. It also makes working out SAC really easy. (I have used both the pre-recall & post-recall models). The only thing I can say against this particular type of computer (ie. console) is that on ascent it can be...

Firstly, the difference between the 50 and the 40 is the addition of a knob on the side so you can adjust resistance. You can *also* adjust it on the 40, but you need a hex key (ie. no knob). I find no advantage of the 50 over the 40 - and I own both. The difference between the 50 & 100/200...

When I went diving in Green Island, in Cairns Australia, I was going to dive with just shorts/tshirt, but the DM made me put on a lycra bodysuit. While diving, my upper lip was stinging, but I thought nothing of it. When getting back on the boat, a guy was there with vinegar sprraying everyone...

Only if you live in West London. I live in docklands, so it took under 30min to get there.. I wasn't planning on buying anything but picked up an ATX40+DS4 for £160 - cheapest Id seen them.

Im asking about measuring skill because most advanced/technical diving courses use # of dives as a skill indicator before allowing you to take the course.

Im not unhappy. It just that after reading alot of posts here on how much better the bp/w setup is, I expected a huge improvement. Fact is however, that I think my trim was just as good with my jacket BC as the wing. Since my jacket BC can accomodate doubles, it feels like a waste of money...

Awesome reg. Excellect cold water performance. Lots of technical divers use Apeks. I own 3 Apeks regs and haven't had a problem with any of them.

Firstly, A bit of background.. I've completed PADI OW, AOW, Drysuit & TDI Nitrox. This year Im looking at doing Rescue & TDI Adv. Nitrox. Currently, I have around 50 dives and have been diving nearly a year. All my training and most of my diving has been in the UK. This means cold water...

I have a smart com. I've had no problems with my old unit or the new unit that uwatec swapped when they did the recent upgrade. Tank data is very accurate and I like the "remaining bottom time" indicator. Yes, you do need an IR device to change the user settings. I use an iPAQ, which also...

Yeah, alot of countries that require you to fill in a landing card do this (including the US). No idea why...

.. and there's the rub. The reason we wear masks is because our eyes need a layer of air between them & the water to work properly. Lenses work the same way - you need a layer of air. In fact, there is air between the different layers of glass in a lens. Im not a lens designer, so I don't...

I think there was a course run in Queensland a few months ago, with 2-3 students. The GUE instructor from Singapore (?) was over. I think I read it on www.diveoz.com on their DIR forum