The Future of Open Circuit Trimix Diving
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- čas přidán 25. 07. 2024
- will OC Trimix survive or will we all go CC for deeper diving in the future?
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ISE and RBs: • ISE and Rebreathers
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Hey Achim, it’s always a pleasure to hear your wise point of view on diving topics, here in Italy price of Helium is 0,051 € /l, in Egypt I paid helium 0,07€/l 😱, but, at least I did fantastic dives!
Thanks for the great content Achim!
I'm still diving OC trimix in Canada (west coast), but I have a couple of things working in my favour: I still fill using partial pressure mixing, so order large industrial cylinders of helium and oxygen from a gas supplier, and have had the contract for a while so even then I have favourable pricing, and I also don't have the chance to dive quite as frequently as I'd like, so the economics for me are pretty close to the break even point. If I were diving more frequently, that would easily tip in favour of the rebreather, but I'd have to make some compromises for a while to afford the big ticket outlay for the unit and the training, and then would feel compelled to have to dive often in order to maintain my competency on the unit, where OC is a bit more like riding a bike, so to speak.
I think we paid 6p/l at the weekend, 7s of 15/55 were £37.50 each, so our D7 set was £75. I think there's room for OC trimix upto about 45m, or 21/35 mixes if you do upto about 12 dives a year. After that, CCR is the way ahead. Dived a couple of 43m wrecks last weekend and thought a twinset and stage might just be easier, but then into 50m on Monday was glad of the CCR. I think you're right in there being no hard limit.
I'm hoping to get certified in the Kiss Spirit sometime in 2023. Diving OC air right now, certified by TDI in Advanced Nitrox.
Hey Achim in February i payed 149 euros for 2 double 12 with a mixture of 28/15 and 25/25.
That includes a full refill of a 80 cuft stage with 50%.
Current prices in Holland.
Hey Achim, hows it? Glad to see you here at least. Long time no see. Have not dived Trimix since 2018, before Covid. Too expensive. As a result, have not done any deco dives. I tech dive all the time im my police dive unit. Just not deep any more.
When I'll have enough money put aside, plan to buy a rebreather.
Have my eye on KISS, but Megaladon or Copis are winking at me. Would love a video on what you think of them.
Lovely video.
Regards to Michel&Tina & the Family.
Thanks.
Hallo Achim, vielen Dank für deinen content. Toll dass du dein Wissen mit allen teilst. Mich beschäftigt die ,,upside down" Konfiguration, die auch die Feuerwehr und viele Berufstaucher nutzen. Was sind die Nachteile? Vielleicht hast du Bock mal etwas darüber zu senden. Grüße Martin Wilperath
Twin 80s with 21/35 is $295 here on Guam.
In Egypt it’s 0.07 cents for the liter
Some places do top ups at 0.08 as well
My double LP85 cost $125 USD for a new fill. And that’s after my Divemaster discount and my local dive shop. I’ve bought a choptima rebreather and I’m doing the CCR course with it July 14 - 20 so I expect after that I’m not likely to do much OC trimix. I spend over $100 to top up after a tech dive with 21/35 while my buddies on rebreathers can get 4 or 5 dives out of the same amount of gas. It’s certainly driving up the sales of rebreathers
Can confirm. 15 hours into using the chop and my last “fill” of 18/45 was $30.
2x12l, 18/45 costs around £110, south coast uk
Hello Achim, We are here in Spain working in our diving school, We start to dive with a Apdiving system and one of the reasons was the Helium price. We are paying 0,038€/lt. Diving on OC each bubble is 1€ more less.
Te refieres a 380 euros + iva + 100 euros/año de prestacion de envase= 580.8 euros es lo que nos cuesta a nosotros en total. Corrigueme
I'm from Taiwan. Just finished my IANTD ART+ course, with the price of helium in te price of 0.17 USD per liter!
Minnesota and Wisconsin states in USA, helium is about $5 USD per cubic foot (cf) at the time of this post.
We’ll see if using hydrogen as the inert gas will take off, it has worse narcosis values than helium but might be worth it at certain depths.
SE Florida, 2x100 cuft 21/35 + 40 cuft Nx 79 = $260
For a 21/35 % Trimix on a D12, I payed about 150 Euros in May, 2023 Norway.
15L @ 230 Bar is €100/fill for Trimix here in Florida. In the Midwest, you cannot get Trimix for Open Circuit. CCR only.
My club has a trimix bank and charges 5p per litre of Helium. It makes Trimix still affordable.
With the more and more green focused future. Maby hydrogen becomes cheaper. And you could do trimix but with hydrogen instead of helium
I would like to do my trimix training on my Kiss Classic. Can we do that under ISE?
Of course we can :-)
@@CoastalDevelopment YESS, Let us get it done.
Helium price in Italy - 51€/m^3
In France (Lot) : 50 euros / m3
Makes sense helium is way expensive, people are going ccr. 1 fact remains true the depth record is still deeper for oc than ccr. I believe for oc it's 1200 ft, ccr it's 940 ft
Cheapest place in germany I know it costs 0,045€/l. As you will probably know in Hemmoor a 21/35 double 12 is about 125€, which is 0,05€/l
3.99$ per cubic foot plus 20$ trimix labor fee
Very True. I ve just paid EUR 250.00 for 2 x S-80 21/35 for a 55m dive. I live in Brazil, the price of He down here is absolutely ridiculous, as you said.
Catch 22 oc or ccr weigh the differences
50L/300bar ~550€ at 72% discount
Finland
How long do you think gas lasts in a cylinder? Some say a few months some say longer. The gas acts with the metal. I dive Hollis prism 2
Trymix or Trimix?
50 ltr 200 bar Helium 275 euro tax not included..
.
well. Diving gear doesn't have any upgrades for the last 10-15 years. rebreather is still hard to find hard to purchase and not easy to get instructors. certification is all over the places. without newer type of gear, diving can only go so far. tech dive is too difficult and way too heavy in cold water, recreational diving can only stay so short underwater. not lots of investment going into it as well. I don't see how diving is going anywhere anytime soon.