Scuba Fin : What is it?
| Scuba fins are a type of footwear used to propel a scuba diver more smoothly across the water. They are larger and stiffer than regular swimming fins or flippers, which provides the extra power needed to propel both the diver and the scuba tank, as well as the other equipment carried underwater.
Scuba fins are usually made of waterproof plastic or rubber, and are often worn over booties or similar water footwear. They add to the thrusting power of the feet, which cannot provide enough speed and overcome the drag caused by the body and the equipment against the water.
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Kinds of Scuba Finss include the following: |
Paddle scuba fins
Paddle scuba fins work by pushing water up and down as the diver moves. They are particularly useful for free diving and diving along currents. Some types cover the entire foot, while others are open with adjustable heel straps. The adjustable kind is more commonly used for general scuba diving, while full-foot ones are more suited for snorkeling. Some newer models feature a pivoting blade that positions the fin at a certain angle to produce maximum power at every kick.
Split fins
Split fins, sometimes known as bio-fins, have paddles divided into two with a strip cut out of the middle. They provide more forceful strokes in a single kick, making them more efficient and allowing for much higher speeds. Some models have horizontal cutouts, placed at certain spots push water backwards instead of up and down.
Force fins
Force fins are smaller than other fin types, but provide the same kicking force. They are designed after whale tails, although in a lighter and smaller scale. These scuba fins are favored for their comfort and lightness compared to other fins, while maintaining full power and speed efficiency. |
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Durability: Choose scuba fins that can withstand the pressure underwater and the force of kicking. Look for one made of strong, heavy-duty materials. Rubber is generally more durable than plastic, but if you need something lighter, go for a reinforced plastic fin or a mix of plastic and rubber. Split fins or cuts along the paddle also help reduce the impact of the water on the fin.
Efficiency: Choose scuba fins that deliver enough force to propel you over long distances without exerting too much effort on each kick. Look for wide, slim paddles that are flexible enough to bend underwater but stiff enough to push the water around your feet. |
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