Phil Diving a Sentinel with Multiple Stages

Update on Training 2022 Onwards

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Return to Training Post COVID-19 Lock Down

Divers Completing Their IANTD Advanced Nitrox CCR Diver Course on AP Diving Inspirations
It's been a few months since we last delivered any technical diver training, and in that time a lot of things have changed. Like most divers, we are eager to get back in the water delivering training.
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Update on 2019 and 2020

Side Mount Diver Performing Skills
It's quite noticeable that there have been no posts to this website during 2019, and also very little activity on my Facebook page (https://www.facebook.com/PhilGriggTechnicalDiving/ if you haven't already liked it). There's quite a simple answer to that, there's been nothing to talk about!
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Breathing Rates in Emergency Situations & Bailouts

CCR Divers Performing Open Circuit Bailout Ascent Full Size
SDI TDI UK shared this document over on Facebook not that long ago. It will make interesting reading to any diver, but especially technical divers and even more so rebreather divers.  http://www.hse.gov.uk/research/rrpdf/rr1073.pdf If you are planning your bailout on your normal (and probably optimistic) breathing rate of 15 to 20 litres per minute then the
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Is 10/52 Always the Best Diluent?

10/52 In A Diluent Cylinder
When venturing beyond the typical air diving range on a rebreather a trimix diluent must be used.  However, because a rebreather effectively blends the gas mix on your back to turn it into a better mix to breath, divers have a tendency to just reach for the same diluents. One of the favourites is a 10/52
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Technical Diving Coaching For Individuals

Individual Coaching Featured Image
One of the more common requests that I receive is not for training itself, but for individual coaching session.  I thought it might be a good idea to let you know what an individual technical diving coaching session is, what it’s for and what it’s not for. It’s Not Training! Technical diving coaching sessions are
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TEKCamp 2014

TekCamp 2013 Featured Image
Once again I was lucky enough to spend a week last month instructing at  TEKCamp. For those of you that don’t know, TEKCamp is held at Vobster Quay and allows divers to spend a whole week with some of the best technical diving instructors in the country. As an instructor I don’t always get chance to capture
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Up & Coming Availability

Open Circuit DSMB Deployment Featured Image
Thanks to a last minute cancellation I now have some weekend availability for May & June. This was originally a CCR Diver Course (AP) but could be anything you want! I also have spaces coming up on Open Water Side Mount Diver courses and OC Normoxic Trimix Courses in the next few months. Of course,
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Stage Cylinder Rigging

Bad Stage Rigging Featured Image
On most courses that we teach, a lot of time is spent reconfiguring student’s stage and / or bailout cylinders.  This is to be fully expected on entry level courses, where a student may not have dived with a stage before, or may have bought it specially for the course.  On higher level courses a
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Tips For a Technical Diver – X-Ray Magazine

X-Ray Magazine Issue 52 Featured Image
The current issue of X-Ray magazine has a nice article regarding becoming a good (or “pro”) technical diver.  Written by Pascal Bernabe, an experienced technical instructor and record holder, it provides a guide for any budding technical diver. Without going into too much details, as you can read the full article for yourself for free,
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