Scuba
S.C.U.B.A. = Self Contained Underwater Breathing Apparatus. Here is all the information you need to learn and be safe while enjoying this great sport. Explore the last frontier and uncharted depths in the S.C.U.B.A. category.
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Deb (supervisor) [3111]
merged the question How do scuba divers protect themselves from the damagung effects of pressure while deep sea diving into How do scuba divers protect themselves from the damaging effects of pressure while deep sea diving 25 May 2012 19:02
Deb (supervisor) [3111]
merged the question Who invented scubadiving into Who invented scuba diving 25 May 2012 19:01
Deb (supervisor) [3111]
merged the question How much dose a scuba tank weigh empty into How much does the average empty scuba tank weigh 25 May 2012 19:01
ID3412195785
wrote the first answer to What muscles are used in scuba diving 24 May 2012 01:04
Answers
Departurediver
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DeparturediverGiven a solid suit or vehicle, where pressure is maintained near normal sea-level (1 atmosphere), there is obviously no limit,...
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A repetitive dive is any dive that occurs before off-gassing of nitrogen has completed. This time will vary depending on the...
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The BCD (buoyancy compensator/control Devise) low pressure line is connected to the second stage of the regulator. International...
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You can use any 1st and 2nd stage combo with nitrox up to %40. Additional comment The contributor is correct that the scuba...
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The pressure increase is dependent on density of the water. Pure water at 60F has about 27.78 inches of water column (INWC or...
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The qustion should be rephrased to "What is the DENSITY of air at 15 psi." Volume is independent of mass, i.e. one cubic foot is...
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No- not even a few feet below the surface. I have tried it :-) Water pressure on your body requires that the air you breathe be...
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Use the formula v2=u2+2*a*s v=final velocity u=intital velocity a=acceleration due to gravity s=displacement This then...
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It's unlikely that fillings would ever crush, but theoretically an extremely badly made filling could crush from the pressure of...
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sharks generally do not care that much for human blood.. now put a few drops of fish blood in the water and that is a different...
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It is up for debate, but there are some studies that have shown divers are more likely to get decompression sickness after a...
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It is a matter of word choice. BC stands for bouyancy compensator, while BCD stands for bouyancy compensator device. They are the...
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There are two types. The most common is all red with one white stripe running diagonally. The other is the international diver...
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Reducing drag is usually referred to as improving your "trim" in scuba diving. There are several ways you can try and do it. Pay...
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No it is not by any means. it is atmospheric air compressed with the high amounts of carbons and other gases lowered or removed.
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No reputable dive operator will take an non certified person scuba diving. Many vacation spots have what is called a resort dive....
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Unless you've been specially trained to use any other form of air, it's the same as normal air, just compressed with impurities...
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Scuba Diving This cannot be answered definitively, especially without knowing the depths of the morning dives. However, this is...
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All scuba wetsuits are made out of neoprene which is an elastic synthetic material having great insulation properties. The...
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Yes, you can, but you can also lose contacts underwater, just like anywhere else. If your mask floods, keep your eyes closed...
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Depends on where you are. Often its shrimp. Could be fish feeding on coral. If you are in California in the spring you might be...
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Water has density and weight. The deeper you dive the more water you have pushing against your body. Think of it like this...
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Scuba history from a diving bell developed by Guglielmo de Loreno in 1535 up to John Bennett's dive in the Philippines to amazing...
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Every 10m, or 33ft an air bubble increases in volume. If it increased to 8 times the size it was at depth, by the time it...
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There is no proof to say that a tooth implant can break at depth. The real concern of tooth breakage is if there is any air...
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Boyle's Law: (P1 X V1)/T1 = (P2 X V2)/T2 applies to scuba diving since there is a significant change in the pressure. As the...
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Steel vs. Aluminum Scuba Tanks They are both excellent but you need to compare several features. What is the size of tank and...
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No, even though dental compressors have very clean air, it is still not water-free enough to go in a steel tank, though it...
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I want to say "No," but it's not actually impossible, just extremely unlikely.
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taking the normal density of water as 1g/cc, the amount of water in 1 cubic inch would be 16.387064 grams. Addition about 1...
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Are you talking about the displacment needed to lift 3000 pounds in water? The total displacment would need to equal the weight...
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There's all sorts of mathematical equations, but they will give you an approximate only. There are too many variables to give an...
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Weight needed for scuba divingThe less overweighted you are, the more control you'll have over your buoyancy and trim. Ideally...
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Frankly, speaking to all of you what i had been told by one of the saturation diver that the maximum age doesn't matter atAl's...
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Of course, you can wear a shorty, a full-length or even a body suit or bathing suit for diving. Just make sure it keeps you...
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Many dive knives have blunt (squared-off) tips. This makes them safer. You're not likely to need a sharp-tipped knife underwater....
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Water presure doubles every 33 feet. Water presure doesn't actually double every 33 feet. It actually increases in...
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Try Crocs - I have heard a lot of positive acknowlegdements amongst people who are on a boat, in and out of water a lot. It's a...
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Neoprene or polychloroprene is a family of synthetic rubbers that are produced by polymerization of chloroprene.[1] Neoprene in...
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If you're a certified diver, you should have a dive table to figure out how many dives you can make safely within a certain time...
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Because pressure increases the further down you go. A unpressurized tank would collapse under this weight. Actually, the...
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There will be air left in the tank. But it is not under enough pressure to come out of the bottle and into your lungs. There...
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Michael Pavel Kliment; Born 10/07/1972 in Uitenhage, South Africa to parents Luboslav Pavel Kliment and Lubica Anna Kliment (nee...
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June 2005, a South African called Nuno Gomes, had Reached the depth of 318.25m in the Red sea. The Guiness Book of World Records...
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The question is based on an incorrect assumption. The correct question is "Will a person become less buoyant as he swims deeper?...
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Divers breathing compressed gases at depth are themselves under pressure. For each 33 feet/10 meters that a diver descends, they...
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This is as varied as the locations you can dive. In Miami Florida I worked with divemasters that would work on boats for minimum...
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Pressure while diving has a compression effect on your body, with air cavities such as lungs, sinus, and ear canal being the most...
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I believe the original UDT's werwe brown gum rubber. When they changed to the more durable rubber they were in black. Good to see...
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Goggles are designed to protect your eyes from the water, yet to be sleek and unobtrusive at the same time, so as not to...
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Basic Scuba EquipmentYes, while most every piece of equipment is rentable. I would only invest in your own mask, fins, and...
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Self-Contained Underwater Breathing Apparatus.
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AnswerGet the proper training. Don't push the limits of that training. Inspect and maintain the equipment you will use. This...
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Self Contained Underwater Breathing Apparatus. "Self Contained" in this context differentiates SCUBA from surface-supplied diving...
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Two ways: 1) Just take the weight off. Many divers are overweighted so make sure you don't NEED the weight. At the end of a...
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There are not any courses that would train you to dive this deep. Recreational divers are trained at depths up to 130 feet, over...
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Truth be told most major brands (akona, cressi, seaquest, cameo, body glove, etc) are really about equal. The owner of my dive...
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There are literally dozens. Some of the more prominent ones are listed below: BSAC - The British Sub Aqua Club is the...
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Air in your lungs is compressed by the pressure of the water. As the pressure of the water goes down (as you go up) then the air...
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Most training agencies don't have a set maximum age limit but recommend that you not dive if you are unable to handle the...
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This is really a loaded question. The deepest dive in history was to 308M or 924FT by John Bennett (Tech Dive Academy, 3/23/10)....
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You will get as many different answers to this question as people that you ask. The "big three" of Caribbean diving are...
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The answer to this question depends on the oxygen concentration that you are using and, to a degree, your body chemistry. Hal...
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Aluminum tanks have a standardized width, and are much cheaper and lower maintenance than steel, as they will not rust. Yes, even...
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Approx $1500 - $2000
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Yes, you can fart at depth with no ill effects. In fact it shud be easier to fart. Have you ever realised how you burp after...
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It is used to plan your decompression so you do not come up with excessive nitrogen in your blood therefore giving you the bends....
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Tanks are filled using an air compressor capable of producing over 3000psi coupled with a filtration system that purifies the air...
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A collocation is a set of two words or more having a specific lexical meaning.For example:- Strong tea- Harry Potter- The Dead...
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When you get to the suface with your head down take a breath off your regulator the take it out of your mouth. Put the snorkel...
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An atmosphere is a measure of pressure. On the surface the weight of the miles of gases in the air over our heads exert 1 ATA...
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Assuming you are talking about a wet suit and not a dry suit, nearly nothing. Your suit will dispel the air as soon as you put...
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Yes a woman can wear a male wetsuit. Tho the fit will be off in places. Arms, legs or torso to long, or the chest or hip areas...
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they use it to stay underwater without going up out of the water. They have adapted to 'float' in the water against the buoyant...
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Most recreational divers rarely dive below 100 feet. The average depth for a dive is around 60 feet.
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Newer versions of "The Source" allow users to replace batteries, while earlier versions DO NOT! Consider viewing the info at this...
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Almost all paintball fields have them, and some sporting goods stores. But also check diving shops, gas shops (places that sell...
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you may have to get a certain type of mask, but i think you can. ----There are indeed frames that mount inside your mask and hold...
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you could be a photographer, scuba diving master or a scuba diving instructor that teaches diving or a marine biologist i think....
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My open water water course cost me around £300. I did do my open water dives in the Red Sea and the cost for a week was £500....
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The short answer to this is: the one that provides the best fit. All manufactures have different fitting suits. I am 6'6" tall,...
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GBR in Australia Improved Answer There are many locations which rival the Great Barrier reef, the barrier reef is impressive for...
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1 ATM is actually equal to mean sea level itself. Now if you filled a balloon with air and put it under the water, you would...
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According to the Shipwreck Central website, there are 1363 (and counting) documented shipwreck sites/found wrecks. The true...
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No, but there are reduced bottom times compared to sea level diving due to the reduced pressure when you surface. Since ambient...
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The first equipment used that actually allowed breathing underwater was invented in 1620 by Englishman Cornelius Drebbel....
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Wear a wet suit with sleeves just so your tattoo won't fade out a little of its color regardless of it is on your arm, hip, head,...
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Boyle's Law, Charles's Law, and Archimedes principle are the main principles. Study those and that should get you started.
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Take it to a Scuba shop. Air must be free of moisture and oil!!! if you try to fill it yourself the oil from standard...
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free diving is where a group or one person goes into the sea and dives; without a oxygen tank. they then proceed to go as far...
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The "theory" regarding moving an individual with decompression sickness ("the bends) with feet elevated above the head is based...
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It is not chemistry, but more physics. Many think it is a simple formula and your questions should be able to be answered, but...
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A lot of personal preference comes into play. I would try either a 5mm farmer john, or a 7mm one piece. I found for myself if...
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Scuba should more properly be written S.C.U.B.A., an acronym for Self Contained Underwater Breathing Apparatus. The term was...
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Usually about $5-10. It's actually about the same price to rent a tank for a day.
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Perhaps the greatest risk is panic. When people panic, they tend to hold their breath and, when they ascend, the air in their...
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