January 31, 2009 in Scuba equipment | Comments (0)
Tags: About, Learn, Scuba
You have to be primed to put in a great deal of endeavor to become a diver. Scuba is an activity that acquires enthusiasm and a healthy respect for the dangers and risks that could happen at any moment.
To become a diver then you must be able to swim. This makes sense because you spend time and stay in water. If you can swim then you can start training by enrolling in a diving center. You should make certain you have a certified instructor who can in turn provide you with the appropriate certificate.
Diving is strictly regulated because it is considered as a high risk activity. Nevertheless, if you are trained by reputable diving center and taught with good habits then the risks are greatly reduced. It is up to the diver whether or not he or she persists with the rules and regulations so necessary for the safety of divers.
A diver (scuba) who is conscious of the dangers will see to it that he will never take unnecessary risks. Such a diver will only go for dive spot that he or she can handle. There are many ideal locations around the world where there is less risk. Such locations make perfect vacation destination for a diver. Scuba equipment can be hired on location.
Many people who have boats and yachts also learn how to dive with their dive equipment warehouse onboard. This is very useful because they are prepared wherever they sail to. With those who don’t own water craft, they can enjoy all the benefits from socializing with other divers to discounts on the latest gear by joining a diving club.
It may not be obvious but if you are experiencing claustrophobia you won’t be able to spend time beneath the surface of water. It has the same effect on you as being in an enclosed space. Apparently it is especially obvious if it is dark. Those who suffer this condition also do not appreciate the feeling of the water pushing down on them.
To feel a sense of freedom and peace during a dive is the enjoyment of every diver. Diver scuba equipment is important for any diver who wants to have fun. Diving gear is pricey. Beginners start with the basic equipment and then add on to their equipment as they advances. This also allows them to budget for specific items.
Diving gear is continually being reviewed and upgraded. Today, divers have many kinds of devices and also many different brand names to choose from when purchasing either a new or worn gear. Worn gear must be in good working condition to be safe for use.
All the gear is precisely shaped for divers protection. Scubaequipment consists of masks, snorkels, fins, belts, diving suits, gloves, boots, cylinders, BCDs and more. It takes all the essential equipment and training to visit the underwater world behaving in an eco-friendly way.
Looking to find the best deal on scuba, then visit www.MyDiveBuddies.com to find the best advice on scuba dive for you.
January 30, 2009 in Scuba diving jobs | Comments (0)
Tags: Course, Diving, Equipment, From, Lessons, Open, Part, Water
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.
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).
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 ….
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.
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.
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.
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.
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.
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!
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!
January 26, 2009 in Scuba diving gear | Comments (0)
Tags: Better, Computer, Dive, Diving, Scuba, Tables, Than
A scuba diving computer, which is better known as a dive computer, is a digital device that can do the task of managing nitrogen without requiring the diver to have a watch or dive table. As a combination of a timer and a depth gauge plus some intelligent software that helps to compute absorption of gases, the scuba diving computer is a popular device that is used by most experienced divers.It is very necessary for the diver to know about remaining nitrogen as well as decompression and this may also be done by manual dive tables, but the scuba diving computer is much more valuable as it can greatly improve the dive experience through automation of the management of nitrogen.In reality, the scuba diving computer will not plan a dive for the scuba diver, who is still solely responsible for correct and safe planning in conformance with health guidelines. On the other hand, the scuba diving computer will be able to keep track of the depth as well as time spent underwater, calculates the amount of nitrogen that the diver’s body contains and alerts the divers when these levels become too high and also helps the diver to take suitable decompression stops whenever necessary.What HappensWhen the diver performs a traditional scuba dive there are just two variables that are used to describe the dive and these are maximum depth as well as time. When one calculates the amount of absorbed nitrogen one assumes that the diver had plunged immediately to maximum depth and remained there for some time and later returned to the surface.In such an instance, the dive profile is said to be square, because when graphed on an X-Y axis, for instance, it produces a rectangular like trench. However, in reality the dive is not like that and a diver would descend slowly, swim about and change depth to find his or her way around reefs or bottom formations and then slowly return back to the surface.The main advantage of a scuba diving computer is that it allows for longer bottom lines and dive tables having a square profile are mostly conservative having exaggerated absorption which tends to lean towards the safe side. However, the scuba diving computer enables a curved profile and regularly allows the diver to stay submerged for longer periods of time.Therefore, before choosing a scuba diving computer it may also be wise to check out the brand and model as well as ascertain whether the batteries easy to change, and is the computer’s interface easy to read and is it backlit or not?