Andy Davis Technical Diving Blog Sidemount Technical Wreck Resources and Articles 2020-07-24T03:22:30Z http://scubatechphilippines.com/scuba_blog/feed/atom/ WordPress http://scubatechphilippines.com/scuba_blog/wp-content/uploads/2017/10/cropped-Vitruvian-logo-color-2017-32x32.png Andy Davis http://www.scubatechphilippines.com <![CDATA[Why do tech divers use two computers?]]> http://scubatechphilippines.com/scuba_blog/?p=15336 2020-07-24T03:22:30Z 2020-07-24T03:21:05Z Andy Davis Technical Diving Blog

Why do tech divers use two computers? Technical diving requires redundancy of safety-critical equipment. If something fails, you still have to complete the planned decompression to surface safely. Being able to track time and depth for a decompression ascent is obviously critical to that requirement. It can be done (or backed up) with a written […]

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Andy Davis http://www.scubatechphilippines.com <![CDATA[Core Overhead Environment Diving Skills | Training Videos |]]> http://scubatechphilippines.com/scuba_blog/?p=1229 2019-08-07T13:10:59Z 2019-08-07T13:10:59Z Andy Davis Technical Diving Blog

Core Overhead Environment Diving Skills A collection of video tutorials from the web –  depicting key skills for overhead environment diving in wrecks and caves. For information only. Please get properly trained before attempting to enter shipwrecks! I will update this blog entry with more videos and features as I find them… if you have […]

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Andy Davis http://www.scubatechphilippines.com <![CDATA[Nitrogen Narcosis – Perceptions of Susceptibility]]> http://scubatechphilippines.com/scuba_blog/?p=5076 2019-08-07T13:10:58Z 2019-08-07T13:10:58Z Andy Davis Technical Diving Blog

Nitrogen Narcosis – Perceptions of Susceptibility Examining the human factors influencing diver perceptions of susceptibility to nitrogen narcosis.  By Andy Davis Nitrogen narcosis is a hyperbaric neurological phenomenon. Its existence, symptoms and onset are known, even if medical science has not yet explained the physiological mechanisms causing it. Individual susceptibility to the effects of nitrogen […]

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Andy Davis http://www.scubatechphilippines.com <![CDATA[Sheck Exley’s Razor – The Nature of Limits]]> http://scubatechphilippines.com/scuba_blog/?p=4898 2019-08-07T13:10:57Z 2019-08-07T13:10:57Z Andy Davis Technical Diving Blog

Sheck Exley’s Razor – The Nature of Limits By R.D. Milhollin (Blog editor’s note: This article was first published in the March-April 1995, issue of Underwater Speleology. I have added it here on my blog to preserve and disseminate further, what I believe to be beneficial insights into overhead and technical diving knowledge). Sheck Exley was one […]

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Andy Davis http://www.scubatechphilippines.com <![CDATA[The Importance of Deep Stops by Richard L. Pyle]]> http://scubatechphilippines.com/scuba_blog/?p=1382 2019-08-07T13:10:56Z 2019-08-07T13:10:56Z Andy Davis Technical Diving Blog

An abridged version of this deep stops article was originally in DeepTech, 5:64; and the full version subsequently published in Cave Diving Group Newsletter, 121:2-5. The Importance of Deep Stops: Rethinking Ascent Patterns From Decompression Dives by Richard L. Pyle Before I begin, let’s make something perfectly clear: I am a fish-nerd (i.e., an ichthyologist). […]

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Andy Davis http://www.scubatechphilippines.com <![CDATA[Scuba Q and A: Diver Stress, Relationships and Comfort Zones]]> http://scubatechphilippines.com/scuba_blog/?p=602 2019-08-07T13:10:55Z 2019-08-07T13:10:55Z Andy Davis Technical Diving Blog

Scuba Q and A: QUESTION:  I am a recreational diver and I dive mostly with my husband. Our relationship issues (bickering) caused me stress.  Is this a factor I should consider when scuba diving? Andy’s Answer: I know of at least one diving fatality that could otherwise have been avoided if intra-relationship dispute and/or the […]

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