Andy Davis Technical Diving Blog http://scubatechphilippines.com/scuba_blog Sidemount Technical Wreck Resources and Articles 2020-07-24T03:22:30Z hourly 1 2000-01-01T12:00+00:00 Why do tech divers use two computers? http://scubatechphilippines.com/scuba_blog/why-do-tech-divers-use-two-computers/ 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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A Performance Guide To Managing Narcosis | Technical Scuba Diving http://scubatechphilippines.com/scuba_blog/narcosis-management-technical-scuba-diving/ 2019-08-07T13:13:37Z Andy Davis Technical Diving Blog

Under The Influence: A Performance Guide To Managing Narcosis By Barry Fowler, Ph.D.* This paper was originally prepared for habitat divers using nitrogen-oxygen mixes, where narcosis becomes a key limiting factor to performance. – Ed. Breathing hyperbaric air causes a syndrome of behavioral and subjective effects called nitrogen narcosis, which limits the work efficiency of divers and […]

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Technical Diving Skills | Reaching Your Valves http://scubatechphilippines.com/scuba_blog/technical-diving-skills-reaching-your-valves/ 2019-08-07T13:13:36Z Andy Davis Technical Diving Blog

Technical Diving Skills – Reaching Your Valves This article, posted at DiveDIR, gives great advice on how to reach your valves when conducting valve shutdown procedures.  It’s the most comprehensive analysis of this key skill attribute that I’ve read to date.  They call it the ‘ultimate guide’… it really is! Direct Link: http://www.divedir.com/Drills-and-Skills/valve-drills-the-ultimate-guide.html Sample: Reaching Your […]

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The Varying Permeability Model (VPM) for Dummies http://scubatechphilippines.com/scuba_blog/varying-permeability-model-vpm-for-dummies/ 2019-08-07T13:13:35Z Andy Davis Technical Diving Blog

VPM For Dummies The Varying Permeability Model (VPM) for Dummies By Kevin Watts   Blog editorial:  I reproduced this article, for wider dissemination, from it’s original location at RebreatherWorld forum This article attempts to provide a basic framework for looking at the VPM. My hope is that a diver who may be intimidated or frustrated […]

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Don’t Get Gas Mugged | A Predictable Strategy for Stress Free Air Sharing Emergencies http://scubatechphilippines.com/scuba_blog/air-sharing-scuba-emergency-tips-how-to/ 2019-08-07T13:13:34Z Andy Davis Technical Diving Blog

Don’t Get Gas Mugged! – A Predictable Strategy For Stress-Free Air Sharing Emergencies by Andy Davis I see lots of debate on scuba diving social media about optimal regulator configurations for air sharing. Divers debate the pros and cons of ‘traditional’ octopus, AIR2 systems, using the long hose, spare air and pony systems, primary share […]

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Ultimate Guide: How To Set Up Your Sidemount Harness http://scubatechphilippines.com/scuba_blog/how-to-set-up-sidemount-harness/ 2019-08-07T13:13:33Z Andy Davis Technical Diving Blog

Ultimate Guide : How To Set Up Your Sidemount Harness by Andy Davis A lot of divers find setting up a sidemount harness to be confusing, even those with experience diving backmount style wings.  Here’s my ultimate guide to setting up, sizing and configuring your sidemount harness. This article deals with ‘Mexican cave’ (aka UK) […]

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