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About Subo Kayak Submarine
The "Subo Kayak Submarine" video is part of the kayaking category, which contains similar videos like this one.
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I love it !!!
How does that little paddle project it so fast. Is it peddle powered?
If it's real it's cool but I'd never get in that... I like living
kkkkkkk!!!!!!!!!!
100. comment for Subo Kayak Submarine
That looks like being a great way to get snagged and stuck underwater, and have to bail out, when the "Shark-Tail" Sweep becomes entangled in Seaweed or old Fishing Lines...; it doesn't appear to be capable of driving the little Unterseeboot backwards, at all.
Just(ifiably ?) sayin' ,
;-p
Ciao !
well done!!!
Just kidding. Nice job man.
R
I guess pedals somewhere round the feet for that sculling paddle! Stealthy
What happens meeting a shark or similar inquisitive things? Has that happened? I guess I would be worried...
With all the carbon dioxide (I hope not air) it was it was pumping out, I'd guess less then a half an hour?
Also, part of the problem with running on the surface is they create a wake which can be seen by aircraft.
"The pressure is equalized so scuba rules are apply, same for depth."
It's basically wet-less scuba diving.
Yes, feet are generally ugly and smell.
I think most people are unaware a properly designed sub needs to have the inner hull maintain the same pressure as at the surface.
After scientists discovered pressure issues, submarines were then built to have the surface pressure in the human cargo sections of the sub to be the same as surface pressure. This meant circular/ball shaped designs to withstand pressures at depth.
There are plenty of dangers anytime someone goes into the water, but when diving at zero to thirty feet, the bends is, thankfully, not one of them.
Would you be okay with it if it were a "wet sub"?
way too much focus on safety to the point of paranoia
"Lung expansion injury" isn't what is meant by decompression sickness. I'll spare you the lesson here but it's worth looking up. I'll bet that the (paddler? pilot? Jurgen Prochnow?) also has to equalize.
Also, there enough protocols and backups should one's "regulator pack it up at depth". Every single person with a PADI card has demonstrated underwater that they can at least swap regs, clear their mask, and buddy breathe.
The lack of consideration for dealing with internal humidity (you can see it on the windows) suggests he found a lot of things found to be improved on in the MkII model. Humidity has always been a problem in this sort of craft and would be even worse in a human powered craft. A big step would be to breathe through a regulator so the moist exhalations are not released inside the cabin, or to route the dry incoming tank air over the windows to clear them (like a gas mask)
I wonder why the snorkel is venting so much as he's ascending ? I can see it doing that on descent if you don't have a pump to recover ballast air.
Do we not learn from the early history of submarines and scuba founder Jacques Cousteau about nitrogen build-up?
The only reason why you find this impressive is, everyone else knew better.
Very cool! :)
Last time I looked, the outer hull has the same pressure as the inner hull. That nullifies everything you just said.
The fact the sub is shaped like a cigar to slice aerodynamically thru the water means it has the potential to have a runaway ascent. You're screwed. Hope there's a decompression chamber nearby.
The human cargo needs to maintain 1 atm at all times. If the submarine engineer cannot maintain that, the license to operate the homemade craft needs to be revoked. This is putting the local fire department at an unnecessary stress for someone without an exhibition permit -- think Evel Knievel stuntman/a parachute stunt, etc.
There have been many people who've created a homemade submarine that maintains 1 atm at all times in the human cabin.
By the way, that video looked like more than a 20-25 foot dive.
Usually a strange mixture of gases are used for scuba dives beyond 100 feet...with lots of periodic safety stops along the way back up to the surface.
Just curious where you are getting your information.
His body is still like a 2-liter of soda pop (Coke/Pepsi/Mountain Dew), that is absorbing gases into his tissues to get the bends whether his skin is wet or not.
Are you finding/saying you found evidence this sub is using an oxygen mixture as well in the cabin instead of standard compressed air at these shallow depth dives?
You can't base your argument on popular opinion in the latest replies here because ... the pressure issue wasn't revealed. People are being duped. In addition, the viewership here would have to know of its criticalness which would require a prior background in scuba education.
You don't comprehend the bends or a lung expansion injury from scuba diving. Nor do you comprehend how the vast majority of engineers are the real heroes (not this guy) that refused to build a sub like this one that is relatively easy to make. Anyone could have built a sub like this. It's easy to have a proper sealant for controls from the inside cabin to the outside when the pressure will be the same.
If you think this guy is someone extraordinary, you are sadly mistaken. Everyone in the rest of the world can build a sub like this one. It isn't practical and it definitely isn't safe.
With all due respect, you don't comprehend the bends and lung expansion injuries. That, I believe, is the source for your misdirected compassion for this guy.
I disagree wholeheartedly.
I think most engineers like myself would cancel this project if the surface pressure could not be maintained inside the cabin at all times.
It's a waste of time and money to build a wetless scuba unit (because you have to monitor depth/time there at all times plus have a slow return to the surface) that happens to operate like a submarine.
This is not an engineering marvel.
It's like building and flying an airplane that cannot be controlled on its 3 axis (Wright Brothers competitors).
I don't see methodical problem solving in this video to maintain inherent control and safety in it's creation process by design.
It's not impressive. It's wet-less scuba diving, which means you can get the bends, unlike a real submarine. The pressure in the inner hull is the same as the outside pressure by design. The midsection is not super strong to have the same pressure as the surface pressure.
source for that assertion: http://www.huffingtonpost.com/2013/10/25/kayak-submarine-olivier-feuillette_n_4163742.html
Maybe a mouthpiece instead of positive pressure in cabin & better pressure resistance the mouthpiece could vent to the cabin then at 2 atmospheres it would vent out so cabin was slightly positive but not wasting so much oxygen but more nitrogen
Had to be a filthy jew.
Any help would be very appreciated! Thanks!
True story
thank you mister:)
I wish your sucess
How many underwater hours do you have?
How deep have you been?
Play safe.
Thanks for making and sharing!