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Recent Blogs Posts

  1. How to judge your ascent rate ( without a dive computer)

    by , August 24th, 2011 at 01:21 AM (Scuba Tech Philippines - Scuba Blog)
    Scuba Diving Skills and Techniques - How to Judge Your Ascent Rate Without a Dive Computer

    Novice divers often express frustration about how to best conduct safe and controlled ascents from their scuba dives. In particular, I see many new divers questioning the best technique for judging their ascent speed. The common use of dive computers has automated this skill - providing divers with a graphical illustration of their ascent speed - and warnings if they exceed a safe ascent rate. ...
  2. Scuba Buoyancy Masterclass 7of9 - Ascent, Descent and at the Bottom

    by , August 22nd, 2011 at 04:28 AM (Scuba Tech Philippines - Scuba Blog)
    ASCENT, DESCENT AND AT THE BOTTOM

    Buoyancy plays an important role within all the phases of a scuba dive. In this article, we look in detail at particular elements of a scuba dive, with an emphasis on the impact of buoyancy control on the safety and enjoyment of the dive.
    Not every scuba dive begins and ends on a line. Effective buoyancy is critical for safe ascents ...
  3. Scuba Buoyancy Masterclass 6of9 - Breathing and Buoyancy

    by , August 4th, 2011 at 12:39 PM (Scuba Tech Philippines - Scuba Blog)
    BREATHING AND BUOYANCY

    Breathing plays a critical role in buoyancy control. As we breath, the inflation and deflation of our lungs is continually affecting our buoyancy, but providing the breathing remains steady, slow and controlled it is rarely noticeable on a scuba dive.


    The lungs as air-spaces. The human lungs have a relatively large capacity (4-6 litres on average). Of that total capacity, there is a ‘tidal volume’ that varies as we inhale and exhale normally (0.5 litres
    ...
  4. Choosing the best Buoyancy Control Device (BCD) for your needs.

    by , July 27th, 2011 at 04:06 AM (Scuba Tech Philippines - Scuba Blog)
    [Scuba Equipment Guide: How to critically evaluate and purchase the perfect Buoyancy Control Device (BCD) for your needs!

    Shopping for a scuba buoyancy control device (BCD) is like completing a jigsaw. There is a huge variety of products and options available for the diver to chose from. The diver needs certain functions, but may also want certain additional functionality.

    Manufacturers/retailers will always try and make divers want more functionality, because that ...
  5. Scuba Buoyancy Masterclass 5of9 - Trim and Position

    by , July 13th, 2011 at 02:55 AM (Scuba Tech Philippines - Scuba Blog)
    Scuba Buoyancy Masterclass 5of9 - Trim and Position

    Whenever we use our fins for propulsion in the water, we create directional thrust. If our body is not horizontally trimmed (‘flat’) in the water, then we will be accidentally directing that thrust at an angle (upwards or downwards) that will interfere with our buoyancy.


    Why trim is important for scuba buoyancy. Achieving a reliable flat/horizontal trim in the water makes our propulsion more effective (all ...
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