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2. Neutral buoyancy - Wikipedia

   en.wikipedia.org/wiki/Neutral_buoyancy

   Neutral buoyancy occurs when an object's average density is equal to the density of the fluid in which it is immersed, resulting in the buoyant force balancing the force of gravity that would otherwise cause the object to sink (if the body's density is greater than the density of the fluid in which it is immersed) or rise (if it is less). An ...

3. Wetsuit - Wikipedia

   en.wikipedia.org/wiki/Wetsuit

   The total buoyancy loss of a wetsuit is proportional to the initial uncompressed volume. An average person has a surface area of about 2 m 2 , [ 14 ] so the uncompressed volume of a full one piece 6 mm thick wetsuit will be in the order of 1.75 x 0.006 = 0.0105 m 3 , or roughly 10 liters.

4. Diving weighting system - Wikipedia

   en.wikipedia.org/wiki/Diving_weighting_system

   Surface-supplied divers may be more heavily weighted to facilitate underwater work, and may be unable to achieve neutral buoyancy, and rely on the diving stage, bell, umbilical, lifeline, shotline or jackstay for returning to the surface. Free divers may also use weights to counteract buoyancy of a wetsuit.

5. Buoyancy compensator (diving) - Wikipedia

   en.wikipedia.org/wiki/Buoyancy_compensator_(diving)

   Insufficient buoyancy to achieve neutral buoyancy at maximum depth of a dive due to mismatch of BC volume with weighting and wetsuit compression. This can be caused by excessive weighting or by an undersized BC. A larger volume is needed with large or multiple cylinders to compensate for the greater mass of gas which may be used during the dive.

6. Ascending and descending (diving) - Wikipedia

   en.wikipedia.org/wiki/Ascending_and_descending...

   Most non-competitive freediving is done with some positive buoyancy at the surface, and the diver fins downward to descend. The diver's buoyancy will decrease with depth as the air in the lungs and the wetsuit is compressed. At some stage the diver may become negatively buoyant.

7. Diving physics - Wikipedia

   en.wikipedia.org/wiki/Diving_physics

   [1] [2] Buoyancy control, and being able to maintain neutral buoyancy in particular, is an important safety skill. The diver needs to understand buoyancy to effectively and safely operate drysuits, buoyancy compensators, diving weighting systems and lifting bags. [3]