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Het is het leukste als het zicht goed is om een dpv te gebruiken. Sommige locaties kan het zicht behoorlijk variëren afhankelijk van het jaargetijde. Dit vind ik leuke plaatsen: - Panheel - Thorn (voorjaar) - Vinkeveen - Beldert - Ewijk - Grevelingen (Dreischor reefballs naar gemaal en terug)...

What kind of tanks are you using? It took me a lot of effort to find the “right” tanks. The tanks I’m using are 7 liter steel tanks with a weight of 7,6 kg. (Vitkovice) It took me a lot of time/dives to adjust my harnas and find the right height of my rebreather relative to my backplate. Now...

You could use the original jj backplate. It's possible to change the height of the JJ relative to backplate. (That's not possible with a halcyon backplate with 2 holes for mounting tanks. The JJ backplate has 3 pairs of holes for mounting the JJ). I don't know what kind of first stages you are...

Dat viel op me zich nog wel mee gelukkig. Het ging behoorlijk snel om de jump te maken, hoewel het lang geleden was dat ik zelf een jump maakte en voor het eerst met droge handschoenen. Maar het was duidelijk dat er weinig duikers kwamen. Het regende roest vanaf het plafond en 1 verkeerde...

Gelukkig ben ik weer opgeknapt van mijn Corona en kan ik weer duiken. 🙂 Deze duik werd behoorlijk duidelijk wat het verschil is tussen een T en een jump…. (Jump is er om de grot/ mijn te beschermen tegen de duikers en/of andersom.)

Nog 1 ding en dan heb ik alles en koop ik niets meer… Ik roep dat denk ik al 10 jaar maar nu heb ik echt bijna alles, nog maar een paar dingen. 🙄 Of je hebt bijna alles en dan laat je in 1 jaar (2021) een videolamp, duikcomputer en dpv vol lopen. 🙄 Mexico is geweldig!

You don’t need a third bottle for redundancy which is not part of your gasplanning if you’re already using 2 tanks for a rec dive. Just use 2 tanks and a planning which makes sense. When I do use doubles in openwater and a bottomstage (80) I start with the stage. A positive buoyant tank is not...

For redundancy you don’t need 3 tanks. Why don’t you start and breath down with the stage to a certain pressure and then start using your single tank/backgas ? Or just use doubles instead of 3 tanks. If I would use doubles/sidemount for a cave dive I don’t need a third tank for redundancy.

Because of that the pony should be large enough . Even with stress you should be able to do safety/deco stop(s). A diver should calculate if the pony contains enough gas. Stops are only slowing down the ascent speed. :stirpot:

The longhose is not always under my loop. When I did CCR1 we started the dive with longhose under the loop. When my buddy had a CCR failure an was using his OC backup regulator, I did learn to put my longhose above my loop. (When I dive with an oc diver, my longhose is also above my loop. If...

No, it's not that simple ;-) https://scubaboard.com/community/threads/hog-wrapping-a-bail-out-hose-under-a-loop-on-a-rebreather.613195/page-5#post-9504206

In 150 dives (12 cave dives) I never had an issue with removing the head. I think it depends on which cave you're diving (and restrictions). I'm not telling that there are no issues, but it's not true that if you dive a JJ in a cave that it would take you 30 minutes to remove/clean the crap...

I check all my divegear at the surface. But that doesn’t mean that it will work from the start till the end of the dive. I do understand that there are people who are using cells for a long time. But there are also manufacturers who tell users not use cells longer than 12 month and don’t use...

I did buy a JJ and did gue ccr1 training. This were my motivations : - possible to join gue project - easy to find a good instructor - easy to dive as a mixed team. (longhose, bungeed backup, procedures) - allowed to do dives in tech 1 range after 25 dives with max depth of 30 meter

Het weer was inderdaad niet veel. Er was 1 persoon die zowel heen als terug gereden is met zijn droogpak aan in de auto. 🙂

Finally diving again after a 20 days interval.

The minimum gas calculation time is 9 minutes. In the past Gue was using a different calculation. Now they are using the cat calculation. https://scubaboard.com/community/threads/cat-calculation-for-gue-fundies.542191/page-5 The time in minimum gas calculation is the same as the time the...

How can a beginner know that his pony is large enough to get safe to the surface ? Would a spare air or 2 liter be enough or is a larger pony required? How does a beginner get this knowledge when it is not in his training?

It’s all about risk. How much redundancy do you need? How important is it to get good training and have a good buddy? Should you do the dive or not? When is adding more equipment necessary and when is it nonsense? With a oc tech dive I would plan a dive and if my buddy has a failure we can...

I did start with air/nitrox as dlilluent. The first 25 dives after the training the jj was a lot of taskload for me. I was thinking that fundamentals was enough lo learn ccr diving. But honestly after this 25 dives it wasn’t much easier! Doing deco stops in poor visibility with a lot of...