So I probably started to stuff around holding my breathe about 4 months ago. 4 months before that I was just swimming every morning in the cold water and just enjoying the ocean by just swimming, body surfing and snorkelling.

Then an introduction to a Ted talk by Stig Severinson by my mate Damir about how to breathe properly whilst swimming and even to relax the mind changed some notions I had about what was possible (Plus Stig’s 75 meter swim under the ice and 20+ min breath holds were pretty dam amazing and inspiring too). So we started to experiment after reading about free diving and helped each other out to execute longer breath holds based on information that was online. We were also careful to watch each other and make sure that when a breath hold was in progress we would give signs we were OK (so we had some basic safety in mind). Stig said to be careful so we were careful 😛

We started diving some local places around sydney and got to some decent depths for couple of tossers – (idiots in aussie :P) without any formal free diving education or any formal gear (shorts, snorkel, crappy mask). I didn’t get fins till about 1 month ago so I was diving without fins for about 3 months 😛 Some of the really crappy amateur shots of these can be found here on youtube 😛

After a while though you start to realise that this sport is definitely much more then just going down as far as you can in the water or holding your breath for as long as you can. You also begin to realise that if you stuff up it could be pretty fatal. With this in mind I decided that I would try to get some formal education so I can be properly taught by experts what the safety protocols are, what to do and what not to do and to learn the finer points about free diving that you probably can’t get on the internet or experimenting on your own. Plus I wanted to go diving with this other group in sydney and it seems they all had done a course so I wanted to make sure if anything happened during a dive and I was the one up and they were the ones down, if they didn’t come up properly I could help them. I didn’t want to give them false confidence that I would know what to do if something bad happened to them and I was the one supposed to help them.

I decided to take the course in Bali with the group from Apnea Bali. I emailed them initially asking about taking the advanced class as I thought the only requirement were depth and breathe hold times but I was suggested to take the first of the series of classes if I hadn’t taken any formal free diving education in the past. With this suggestion I enrolled in the first class which went for 2 days.

I was very happy that this turned out to be the case because in the theory we went over a lot of information around safety, biology and why black outs occur. There is much information about these topics on the internet but it was never explained as had been done by Julia (who was my instructor and operator for the two day course). The explanations around why blackouts occurred mainly during the last 10 meters of the dive during the ascent was really great and clear as I had always wondered why this was always considered the danger zone even for people that went down to 80+ meters (why not 30m or 20m from the top why always 10m regardless of the max dive depth). I was always under the assumption that its because your at the end of your dive and where you have least amounts of oxygen (which is partly true) but the relationship between your lung size, compression and danger zones relative to oxygen levels after lung expansion due to rapid changes in pressure were all new to me 🙂

We did rescue procedures which was good and makes me feel more confident that I wont let anyone down if the situation arises where I need to use these skills. I also know that when these blackouts or sambas happen (for the most part) its the body being smart and nothing to be to worried about aslong as you can help or be helped by your buddy. Knowing the difference between “drowning” and “blacking out without help” which ultimately results in death was also a good piece of information to have.

The main thing in the practicals within the water that I took away was how to equalise using my hands. In the past I managed to equalise pretty easily and it was never such a big deal because it just happened. I was never taught to equalise because when my ears started to hurt I would just do it instinctually.  The first few times I started diving my ears would start to hurt and I would do this thing with the back of my throat and my ears would pop and I would be OK. I read that equalisation needed to be done at regular intervals so your ears never hurt so I learnt to do that also. However after I arrived in bali with the flights, airconditioning and everything else I couldn’t equalise as I normally could and I couldn’t continue until I learnt to do equalisation with my hands. This was new to me as I had never had to do it this way. It sucked cause it was screwing everything up. Here I was ready to learn how to dive with everything setup, great teachers, depth, buoy and I couldn’t do something I had been doing for ages. It was annoying …

With that Julia helped me equalise with my hands, first I tried FIM face down and it didn’t work, then I did FIM feet first, that worked and then after I did face down again it was better, still not perfect but much better. On the second day though, I got comfortable with it and learnt to equalise with my hands. Now if for whatever reason I can not equalise how I normally do, I will always have a fall back. During our fun dive at the ship wreck, everything seemed to be back to normal and I could equalise how I normally have so it was good that for the most exciting part of the course things more or less came back to normal physiologically ! I was starting to worry that I might not be able to get shots of the wreck cause I couldn’t equalise 😛 That would have pissed me of big time !

All in all I had a great time in Tulamben Bali with the Apnea Bali team. The course was excellant, the accommodation was pretty nice and the food was pretty decent too. The idea is to get some free time sometime in the next month or so and come back to do additional courses and hopefully dive the ship wreck again when the water isn’t so murky.

Anyway, thanks to the Apnea Bali team ! Had a great time 🙂

I am really loving the training and the exercises in freediving. However sometimes I feel that I’m just not spending enough time in the water. My dives usually last about 1:00 – 1:30 comfortably but I would really like to be able to do 2min + dives to the same level of comfort.

Right now in my pool training I start of with a nice relaxing long dive after breathing warmups. I have been moving (up and down depending on the day) between 2:00 – 3:00 minutes but getting beyond 2:20 means im starting to have to push it. It’s slowly getting easier and easier to relax and I just need to capture those moments when im really relaxed in the water and try to get into that state at will as I think this should really help prolong the dives.

In the video above I do a 3min dive in shallow water at the pools. Im just timing these dives to be exactly the interval I want without trying to do a PB at every attempt, that way I can have a goal for the session and see how much further I can push it the week or day after.

Also today, the water was also really cold, it was about 16.5 degrees Celsius and the air temperature was about 14 degrees though thankfully the sun was out so I could dry up under the warm sun instead of getting blasted by wind and rain (which is what would be expected as it is winter here in sydney right now)

When I get more comfortable getting right in between 2 – 3 minutes I will probably go to clovelly or gordon’s bay and try to do some longer dives in 8 – 13 meter waters.

So after the quick swim through test of my new GoPro at clovelly I decided to take it to Gordon’s bay for another test run, this time with my wet suite and a bit of depth about 13m (I think it was).

Pretty much everything went well accept my buoyancy. I didn’t strap on my weights and  obviously became really buoyant. I thought I could get away with it but it seems that in the video above much of my head is missing in a few of the shots. This is because I kept floating up and for no weights, I had the camera angled wrong. In the Clovelly video I could get into the full shot because I wasn’t wearing a wetsuit and constantly floating up.

There were main 2 take away’s from these tests. The first is I think I need to angle my camera a bit over 90 degrees relative to the pole maybe 100 – 110 degrees so that I get less of the pole in the shot and more of myself.

Secondly the battery died just when I was following some scuba divers around the dive site. It was after about the 1-2 hour mark of constantly being on, so from this I can estimate the life span of the battery depending on how I use it which is also great. As a result of this I might also get a spare battery incase it runs out at the best of times.

One of the things that really annoys me is that there is no LCD screen to preview the shots. I know you can buy it but thats the thing (you have to buy it). I’m used to digital camera’s where you automatically take a shot and preview it on the back, even my cheapo intova had that feature. But I understand, I guess that is how GoPro make money so good on them for creating such a good business model.

I feel the app should allow you to preview the images and videos and it certainly isn’t a technical issue so I wonder if GoPro is holding of on this because they know it will impact their LCD attachment sales.

Anyhow, other than that it was a great dive and I explored parts of Gordon bay which I didn’t do before. I went to the usual wall and all the cracks and crevices  on both the east and west walls. I also heard the wobbegong shark was there again but after spending some time looking for it I couldn’t see the shark anywhere. Instead I finished the dive by followed some scuba divers around the dive site.

Enjoy the video above.

So this week I got my GoPro Camera and wanted to give it a test spin. I had to make my own GoPole because I wasn’t prepared to pay $69 dollars for something I know i could make for no more then 10 bucks 😛

I went through all the functionalities of the GoPro and hooked it up to the GoPro mobile app that I installed on my iPhone. Its a great device and for a tech head such as myself it gave me lots and lots of ideas on how to add possible additional functionality to the GoPro.

What would be awesome is if GoPro provided an SDK for developers, this would surely get the juices flowing ! Not just for Adrenaline junkies but geeks who love to hack and write code on computers. I know I would jump on this in a heart beat ! Regardless, when I get some time im curious as to the protocol and will be running a sniffer just to see what the messages look like 😛

When I finally charged the GoPro, I remotely controlled the GoPro, changed its settings to the best quality widescreen and did some quick experiments. Then I went to the hardware store and bought som PVC poles, some connectors, nuts and bolts and borrowed a drill from my friend Ed.

It’s a simple but very sturdy construction and I will do a video on how I put it together. I don’t think I have seen anyone exactly the same as I have but there is one that I found that is similar. Anyhow I think my design is still OK and might be worth showing on a later video for the guys out there not willing to pay $69 for a pole. At the end I finished of my GoPole by sticking the nice GoPro sticker that came with the packaging on the pole.

Just getting back to the GoPro, its got its own WiFi attachment (for the Hero2) and is built in within the Hero 3’s. This means that it shouldn’t be to far a stretch to check out what the protocol is between the iPhone and the Hero and see if it can be reverse engineered or Modified. Would be a fun project when I get some time.

I tested the GoPro at clovelly, my usual testing ground for new equipment and made sure that the pole was secure and that if my camera did fall off it wouldn’t fall of into the place that I couldn’t get too 🙂 Clovelly is nice, easy and shallow, about 8M at high tide on the deepest end I think. It all worked out fine and after the clovelly dive I took the camera and connected it to my laptop to check out the videos and confirm I had the camera settings right. Want to make sure that I don’t go to Bali take some nice videos and see that they are all incorrectly configured 🙁

The videos were great and the camera angle was correct at clovelly so I was pretty happy. The hand made GoPole also did its job and was nice and secure. With everything working I headed of to Gordon bay for some depth tests so I put on my wet suite and went to Gordons bay to do some tests there.

Anyway Enjoy the video above, just a quick swim through of Clovelly ! Nice weather, nice conditions, great way to spend sunday 🙂

Weather has been pretty shocking this whole week and sunday was no different. The weather report said it would be a crappy rainy day and it turned out to be 100% correct. When I got up this morning I decided that I would just hit the pools to get some laps in and go home and do some work (cause I have alot to do before I have to go overseas).

I am about to go overseas soon for business so I thought it might have been a good thing that it was raining and the ocean conditions were not that good. That way I don’t have the beautiful weather outside, on a sunday hounding me to get out of the house, to stop working on code, paperwork etc and to instead go diving 😛

Today I decided that I would just get (20 x 1min 10sec plus) dives in before I called it a day. Did a few 1:30’s (and there abouts) but decided not to push it to much because my buddy wasn’t around (Yeah, I know, I know …). I wanted to try a 2 minute + dive round the edges where the are some crabs, octopus and few other crustaceans but didn’t want to risk a samba all on my own. I have a feeling that I would still be OK at around the 2:00 minute mark but you just never know so all dives were well within my limits.

I don’t think I have ever taken any videos at the bottom of shelly beach pools, only above so I have added the video of the last dive I did whilst heading back to the beach to call it a day. There are a few small fishes and sea life at the pools so its not completely boring 🙂 You can also see my mate Alan swimming along the top doing his usual morning laps. All up, I think it was a 1:10 dive, starts when you hear the watch timmer go *beep* at about 0:13 and ends at about 1:23 – 1:24 just as my head emerges from the water and the breathe hold ends.