Planning For Decompression with Everything Scuba. Why Technical Diving Needs A Lot More Diligence.
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- čas přidán 27. 05. 2021
- Decompression Diving! Most of us have heard about it, some of us even do it. For many, its the 'Dark Magic' that goes on beyond recreational limits which we never intend to shine a light on. Our aim in this video, with the help of our pal Lyell Hogg from Everything Scuba [ / @everythingscuba ] is to highlight a little about the more technical side of diving....
Lyell is an Instructor at North Iowa Scuba and recent convert to CCR diving. As part of his training, he conducted his first decompression dives which got us talking about the planning considerations needed to conduct those dives - just the things we needed to think about. The point we highlighted is that once you open that box, it changes the way you think about and plan EVERY dive - not just the decompression dives. But why would you want to do a decompression dive?
We have a beautiful wreck dive here in Carriacou. The Troll. Its down at 125ft, which means most people get about 10-20 minutes on the wreck depending on what they're breathing. That's not nearly long enough to explore this mammoth tug boat. Planning and executing a dive on the troll as a decompression dive, means you can explore this beast for 30-40 minutes with the basic level of decompression diving training - meaning you have plenty of time to take in the whole wreck and the marine life within. Now that starts to sound appealing doesn't it?
But as Lyell and I discover, there is a lot more to decompression diving than just strapping on an extra tank. So we decided to share with you some of those additional planning considerations. If diving deeper for a little bit longer is something that appeals to you, please be sure to contact your local technical or extended range instructor and start your journey to the Dark Side.....
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Music : Surf Shimmy Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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Pleasure working you guys on this video! Look forward to more!
Same here Lyell! Can't wait to see you in your new APD too
dive prosperous
Thank you. Have a great holidays period too
I like it. Although I'm not a tech diver I've always been interested in the planning and deco limits involved. Well done!
Thanks John. That's the part of it I enjoy the most. Of course the giddy excitement of going beyond the limit still gets me too. I just don't get to do it enough...
Really grateful for this video giving us mortals an insight into the deeper levels of diving . Thank you for the courage to do this not many others do. Keep up the good work
Thanks for the feedback David. We're hoping to be able to go back to Isle du Rhonde again next weekend, if the weather permits, and do another decompression dive there too with Dean. His first one to 45m. We shall of course film this if we managed to go too....
@@DeeferDivingCarriacou would love to see that video, hope it works out!
love it .. superb video
Thank you! Cheers!
going beyond NDL on either Rebreathers or tech diving is still recreational, meaning its done for fun, not to perform work or using tools and its commonly taught by recreational training agencies.
Hey Roberto, whilst we might do the activity for fun or recreationally, we accept that there is a difference between diving within 'Recreational Dive Limits' and moving into 'technical diving'. The key things considered with recreational dive limits is depth (for most of the major training agencies the limit is 40m) and not to exceed your NDL. The risks associated with diving deeper mean we should be planning for additional contingency, and this is where the more technical understanding of diving comes in. As we've said in the video - decompression should be a planned event.
The courses that are taught are not taught by any training agencies. The certifications are given through the mainstream agencies, but people are taught by qualified technical dive instructors. A newly qualified OSWI will typically not have the knowledge, skillset or experience to be able to teach even an entry level technical course.
Finally I video of running out of NST
Yay! And with an instructor getting narked off their face too. Oh we do love to have some fun when we're diving :)
i plan on searching bottom of a 13 to 19 foot deep lake for lost item using a tankless system... maybe come to surface ever 3- 4 mins ...what decompression procedures if any will i need to do... i know about breathing calmly andand slow accent and decent already..thax so much
If you're breathing surface supplied air, it will depend on the pressure it is being supplied to you at. As this will determine how much additional nitrogen you're absorbing. However, at the depths you're planning to go to, it will be HOURS of bottom time before you have an issue... Try to avoid too many trips to the surface though.
@@DeeferDivingCarriacou hopefully I will be able to see using spot light and find that sucker fast..thanks for the info.
I learned this in open water they set my computer to simulate and if it cuts off you did it wrong and failed the class ..deco stops don't bother me ..now I just bought my first 02optima ready to start my ccr classes
There are, unfortunately, many divers whose confidence exceeds their competence, and their belief exceeds their knowledge. Being prepared to learn more and study is so valuable to each and every diver and so important to all of us. Enjoy your CCR training, and welcome to the next new world to explore
@@DeeferDivingCarriacou yeah I'm nervous I think I'm a good diver but never been as deep as a rebeather can take me plus gonna get into cave diving too
@@adhamhwomble8345 Don't forget that when you start CCR you'll typically only dive to recreational depths. Get your hours and experience up. Then think about getting into tec. It's important to practice the motor skills and bail out drills. Make sure you're really comfortable with them before heading down.
Personally, I don't go much below 200ft, but typically dive in the 80-100ft (or shallower) range to see the most wildlife, but can do a 2.5 hour dive....
Yeah they said it will all be done at or around 60 ft..3 classes and then classes on 2 different rebreathers