Thinking of becoming a gas blender or just want to know more about gas blending? Then this book is for you.
This is an excellent book to add to your collection for any gas blender, Technical diver or person interested in technical diving. Whether you intend to blend gas or not.
I am already a gas blender, what value does this book have for me?
Even people that are already gas blenders will find great value from the tips and advice in this book, and quick fill charts. Alternatively, people studying to become a gas blender or for Nitrox gas blenders that want to go to Tri-Mix gas blenders, a new way of explaining things might just be what is needed to help you understand how gas blending works.
What does the book cover?
The book starts off with an explanation and look at the gasses you will use for deep diving and decompression such as:
* Enriched Air
* Tri-Mix
* Heliox
* Helair
Other subjects are also covered, such as:
* Nitrogen narcosis
* CO2 and CO poisoning
* ICDS.
Gas blending is then covered with examples from:
* Enriched air blending
* Tri-Mix blending
* Helair blending that includes topping off a mix
* Changing a blend
* Blending with impure helium (helium that has oxygen mixed in it)
* Formulas on working out the actual breathing mix in a rebreather loop at any depth at any PPO2
* Updated to include BAR, PSI, Meters, and Feet calculations as well as samples.
* What would be the appropriate mix to bailout to at any depth.
I have no interest in becoming a gas blender, what value does the book have for me?
As a diver, by understanding how a blend will change when it is topped off with air or another gas, can allow you to plan your diving better and reuse gasses for other dives instead of it being drained down and wasted. This can save you a lot of money, especially if you dive Tri-Mix.
What charts are included in the book?
Nitrox Mixes for22 to 50% in 1% increment, 50 to 95% in 5% increments100 to 4000 psi in 100 psi increments and20 to 300 bar in 20 bar incrementsHelair Mixes for1/95: 2/90: 3/85: 4/80: 5/75: 6/70: 7/65: 8/60: 9/55: 10/50: 11/45 12/40: 13/35: 15/30: 16/25: 17/20: 18/15: 19/10: 20/5250 to 3500 psi in 250 psi increments and 20 to 320 bar in 20 bar increments.Tri-mix Mixes for8/80: 9/75: 10/65: 10/80: 12/55: 12/75: 13/70: 14/44: 14/65: 16/55: 18/35: 18/40: 20/40: 20/35: 24/30: 32/20: 40/20: 50/20: 60/20250 to 3500 psi in 250 psi increments and 20 to 300 bar in 20 bar increments.EAD (Equivalent air depth) charts forMixes 22 to 40% in 1% increments, 40 to 60% in 5% increments40 To 180 Feet in 5 Feet increments. 15 to 30 meters in 1 meter increments.32 to 56 meters in 2 meter increments.END (Equivalent narcotic depth) and best gas chart forFeet:Best gas for PPO2 1; 1.3; 1.4; 1.5; 1.6 Best gas for END of 100 FT @ PPO2 1; 1.3; 1.4; 1,6Best Gas for END of 130 FT @ PPO2 1; 1.3; 1.4; 1,6Depths covered 60 to 220 feet in 10 feet increments, 240 to 300 in 20 feet increments,330, 350 370, 400, 425, 440, 460, 480, 500 feet.Meters:Best gas for PPO2 1; 1.3; 1.4; 1.5; 1.6 Best gas for END of 30 M @ PPO2 1; 1.3; 1.4; 1,6Best Gas for END of 39 M @ PPO2 1; 1.3; 1.4; 1,6 Depths covered 18 to 66 Meters in 3 meter increments, 72, 78, 84, 90, 100, 106, 112, 121, 129, 133, 139, 145, 152 meters.
If you want to learn how to blend gas in ways you did not know you could, then this book is for you.
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