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Scuba diving equipment has evolved to become sophisticated, incredibly safe, reliable and high performance. There’s a massive range of options and features available, to allow scuba diving in any environment.
To familiarize you with how a set of scuba diving gear works, we’ll run you through a basic set, and discuss what options and features would be suitable for warm water Koh Tao diving.
How Does Scuba Gear Work: A Typical Koh Tao Diving Setup
Scuba Cylinder
Firstly we need somewhere to store the air which we’ll be breathing whilst underwater. Scuba cylinders or tanks) come in a range of sizes and materials. Scuba diving Koh Tao we opt for aluminum cylinders, which are resistant to the corrosive salty ocean conditions, compressing air into 12 litre cylinders at two hundred time normal atmospheric pressure (200 bar). That volume of air allows an average diver to dive for about 45 minutes at normal recreational depths, (factoring in a safety margin).
Regulator – First Stage
This is the bit which attaches to the valve of the scuba cylinder. Since the air inside the cylinder is at two hundred times normal pressure, we need to reduce that pressure down to make it breathable. This is the job of the regulator first stage. Most first stages reduce down the pressure to about ten bar above ambient water pressure (called the intermediate pressure), which is then fed down to the ….
Regulator - Second Stage
This is the bit that you put in your mouth and breathe from. The second stage contains a large diaphragm which the surrounding water pressure pushes on. What that does is adjust the intermediate pressure (delivered from the first stage) to exactly the same pressure as the surrounding water. The result is that when you breathe in, a valve opens and allows air to flow freely. When you stop breathing in or exhale, the valve remains closed allowing you to conserve your air supply.
Regulator - Alternate Air Source
In case your buddy has an equipment problem, you also have a alternate second stage attached to your first stage, which means in the event of an emergency your buddy can also breathe from your cylinder. This is one of the reasons why it’s always a good idea to stick with a buddy when scuba diving.
Buoyancy Control Device - BCD
Obviously we need a way of keeping the cumbersome cylinder attached to us, so the BCD is a robust jacket which allows you to strap the cylinder to your back. The BCD also has a second important function. You can adjust the amount of air inside the jacket so that you hover motionlessly in mid water and control your position underwater. Whilst at the surface you can inflate the BCD to avoid swimming to stay afloat, and save energy.
Wetsuit
Your body looses heat about twenty times faster in water than air, so you’ll need to wear some kind of exposure protection to keep warm. The good news is, Koh Tao diving has very warm water – usually about 30C. That means during the Padi open water course we usually wear a 2.5mm neoprene ‘shorty’ wetsuit , which keeps us comfortable during the dives.
Weights
The bad news is that neoprene is buoyant (as is body fat), so to be able to descend underwater we have to carry some lead weights. The easiest way to do this (adopted by most Koh Tao dive schools) is to attach the lead to a weight belt which you secure around your waist prior to each dive.
Scuba Diving Mask
Your eyes can’t focus in water, so you need to wear a mask to be able to see when diving. If you have a little spare cash and plan to invest in piece of scuba diving gear of your own, make sure you buy a mask. A good diving mask makes all the difference to your Koh Tao diving experience – if you can see properly you’ll have a much better time!
Diving Fins
With all this gear, it becomes a bit tricky getting around underwater. To make life easier we wear large, rigid diving fins which take all the effort out of swimming, allowing us to maintain our air supply and explore the Koh Tao dive sites with ease.
For more info, visit the Simple Life website [http://www.simplelifedivers.com], and don’t miss part two of our series of lessons from the Koh Tao Padi open water course, where we examine some realities and myths of dangerous aquatic life!
For more info visit the Simple Life Diving Koh Tao website at: Article Source:http://www.articlesbase.com/scuba-diving-articles/lessons-from-the-koh-tao-open-water-diving-course-part-1-equipment-1098793.html
http://www.simplelifedivers.com
Or tel/fax +66 77 456 329
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RARE VINTAGE BRIDGESTONE DIVE DEMO JAPAN HUGE SCUBA EQUIPPMENT WATCH ORIG BAND US $99.99
|
SPEAR FISHING SCUBA MESH GAME COLLECTORS BAG WITH D RING AND DIVE FLAG ID CARD US $5.74
|
|
Seapro Scuba Buoyancy Vest with AT Pac US $29.95
|
Sea Hunt Lloyd Bridges Scuba Diving DVD Set Complete Series tv 155 episodes US $29.99
|
|
Gold Coated Lenses WILCOMP Scuba Diving Snorkelling Spearfishing Swimming Mask US $23.24
|
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