The Making of the Deep Submergence Vehicle (DSV) Limiting Factor - A Documentary by Nick Verola 

Notice they didnt make the capsule out of carbon fiber.

Certified to 20% greater than the deepest ocean depth, simply incredible engineering.

@28:10 This guy did an 8000 meter solo test dive in the vessel. Solo dive. Putting no one but himself at risk. Great respect.

It's beautiful to see real engineers, serious about what they do.

It's so wild to see how much precaution went into designing and building this incredible vehicle, as well as to see how complex it is inside the chamber. My respect for this team is further increased when you compare it to the inside of the OceanGate Titan sub controlled by a video game controller and quotes from the OceanGate CEO basically saying stuff like safety precautions are for losers and wimps.

This is the R&D that any deep dive submersible should undergo. I'm in awe.

I love the similarities and differences between this Triton DSV and James Cameron’s Challenger Deep project; the same basic goal is achieved with different designs, but the same rigorous design and testing processes. It’s cool how Cameron went with a long vertical shaft that held the electronics and instruments with the pressure sphere at the bottom end, but this design team went with a very compact short fat horizontal design that still took advantage of a vertical water column descent. That white and the placement of all the components looks so clean and really uses all the space very efficiently.

50 years ago I was subcontracted to Vickers Oceanics who were at that time building their Pisces mini submarines for oil exploration. When I wee the hull construction on this I am reminded of the care and intensity of manufacturing of the crew sphere of the Pisces. It was made from 50mm boiler plate welded together in pentagons, the welding was continually X-rayed and crack tested. The pressure hull was lowered into deeper and deeper depths to test its integrity and also to add cycles to it. Bearing in mind these were only designed to go to 1800 metres. The hulls were RMS tested to depths of over 25% beyond that. Also there was triple redundancy on all systems just like commercial aircraft. This all being 50 years ago. When I look at the recent developments of the Titan disaster there appears to be nothing other than computer modelling, getting dirty hands and actually destructive testing is 110% imperative but I believe that the Titan farrago was done on the cheap, a Poundland submarine.

Watching this today, vs the Oceangate Titan "making of" the past few days just highlights the night and day difference in approaching deep sea diving. And as of today, realising the true importance and value that proper R&D and testing and certification beyond known specs of the use case scenarios brings.

This is exactly the kind of engineering videos I want to see. Details on the machining, modeling, systems, etc. So cool

I was privileged to go on board the DSSV Pressure Drop in Nuku’alofa, Tonga, to look around the ship and see the Sub, after Victor Vescovo's successful historic dive to the bottom Tonga's Horizon Deep: June 2019.Awesome team on the Pressure Drop, of scientists, engineers and specialists, who were all friendly professionals that took time to allow us local people tour time and explain in simple layman language how things work. It was such an exciting trip for me, also having the opportunity to see in person the man - Victor Vescovo and his sub that went down to the bottom of our corner of the Pacific ocean.

The precision of the manufacturing especially the CNC is incredible. Also it’s “rated and certified”!!!

Now THIS! is how you design and build a true deep sea submersible. Despite the Titan accident, I would actually feel safe diving in this sub. It's clear how much love, thought, and compassion went into designing this wonderful machine.

This really drives home for layman viewers just how awful the OceanGate submersible is The standards and skill shown here is absolutely amazing

The correct way to design and test to extremes for deep dive subs. Well done Triton.

This is proper engineering and planning at its best! That’s why this vehicle and crew was able to achieve the record safely. Nothing but respect for their focus and determination for making this happen!

Anyone here after the OceanGate Titan accident and having searched for the deepest diving machines ever built?

Gotta love it when academics, scientists, , and engineers can come together from different countries who are hostile toward each other but the smart people can work together to accomplish great things. It's not the smart folks who are hostile toward the other, it's just their rediculous governments who can't stand to be in the same room together.

I've seen something from Victor years ago and was fascinated. Then started working this and realised how much I miss being at sea. I spent 20 years out there till i had a accident which cost me a leg. Victor is a true pioneer. Absolutely awesome and educational for what our world is down in the abyss.

Knowing how dangerous going to the bottom of the ocean is, I literally can not comprehend why anyone planning this same thing would not go to the experts and professionals to be as safe as possible.

Good to see what serious responsible sub engineers look like.

If I was a billionaire and wanted to see the titanic, I would pay these guys to build me one of these

Notice how they have a team of professionals, 50 year old white men with military submariners included. So much professionalism and so much experience. Good on these guys.

Respect to all these engineers. The ocean gate guys were glueing the rings on the carbon fiber with glue in a random warehouse. Massive massive difference

This is incredible, love seeing the design work, engineering, and testing that goes into making a proper submersible.

I have a crazy amount of respect for the engineering and manufacturing team behind this.

So no playstation controller?,actual pressure certification? No off the shelf parts? Thats how its done ladies and gentlemen! Bravo

This sub goes down to like 7000 ft constantly without issue -- cool videos of them finding ship wrecks, what a machine .... great machining and engineering as well!

This is how it should be done. Incredible design, engineering, materials, machining, testing, assembly...

Приятно (и неожиданно) видеть что Россия поучаствовала в этом уникальном проекте. Сотрудничество продуктивнее, чем соперничество! Glad (and unexpectedly) to see that Russia took part in this unique project. Cooperation is more productive than competition!

Looking at the R&D, care, and precision that went in to DSV Limiting Factor, this is a sub I wouldn't be afraid of taking into the deep ocean. This is how you properly build a deep-sea submersible.

I really love seeing what humanity can achieve when we work together instead of fighting each other! Good to see a leader who was willing to spend the money required to build and test everything properly as well!

thanks for showing what a tiptop submersible looks like - in the wake of the unfortunate titanic misconception. "commercially certified" seems like a starting point.

6:31 spoken like a true professional and humble engineer. This is design philosophy and experience that Titan NEVER had. I feel awful for the young students who thought they designed a capable submersible. They were only trying to innovate, while Stockton was filling their heads with bullshit about not needing professional help, that these young kids could figure it all out without anything remotely close to experience and expertise. They were fooled, and now have to live with what happened. They don't deserve this pain, Stockton did...

That is fascinating how they could pressure test it only in Russia. Kudos to them. This is actually a good example of how we should work all together, not against each other.

I don’t know how many times I’ve watched this now, but I simply feel like this is the best video I’ve ever seen on RU-vid.

This is the best documentary I’ve seen in a while, and I’ve watched at least one a month for the last decade or so. Massive respect to everyone involved.

One of the best-made documentaries. The final sign-off with a clock reference with the ship moving clockwise, is evidence of attention to detail. Simply brilliant both the project and the film that is made around it!

This documentary perfectly shows how hard, and how time consuming, the process of making a DSV really is. That is not a job for some schmuk in the garage like OceanGate.

I just got done watching the Nova documentary on the parbuckling of the Costa Concordia. I'm absolutely amazed at just what men can do when they collectively come together and engineer and/or problem-solve something that requires extensive collaborative knowledge and expertise. The building of this DSV only reinforces and exemplifies that once again. Well done!

This man is brave. And what it took to build the submersible wow 😳! Explanation on building this submersible was in more detail than I had expected thank you

as a mechanical engineer, this makes me cry.

Thank you for posting this video about how a real submersible is designed, built and tested. As a Research Engineer I must say this is the attention to detail attitude that should be communicated to the general public not composite DIY subs. Stay safe everyone and keep exploring

It is absolutely striking to see the vast differences between this submersible along with it's crew and creater, and those of the Titan. One looks in awe of the engineering that went into this craft, yet the Titan seemed more proud of having a toilet and a gaming controller! There is a motto within giant tech companies of "move fast and break things." That sounds great when it comes to a website or the new phenomena of AI, but not so much when it comes to not breaking "things" but rather breaking human beings!

Fantastic video. As a pressure tester my self I was blown away by the size of the hyperbaric test chamber in russia and the pressure they achieved.

congratulations Nick. nice film, every shot earns its place and nicely structured. the forging sequ is amazing.

Now see THIS IS how you build a submarine, THIS IS how you innovate. Beautiful job 🤩 ! Perfect

The engineering of this is just as impressive as the vehicles we take into space. I work in robotics with almost 70 engineers. They are wired so differently, ive learned a lot just being around them. Mad respect to the people pushing boundaries and pioneering mankind into new frontiers.

Reminder to anyone here after the Titan disaster, Victor lost two friends PH Nargeolet and Hamish Harding. Harding having gone with Victor to the Challenger Deep on this very sub. Please be respectful.

This is one of most incredible undertakings to make a submersible that conquered earths deepest waters, insane.

Whoever runs this company gets major kudos for their excellent naming schema. The ship they use to move this submarine should be called the "Little Rascal".

After seeing this i cant believe they just glued the tititanium end caps onto the carbon vessel. The fact there was only like an inch of overlap between the 2 surfaces is crazy too

A perfect sphere is the only thing that can evenly distribute the pressure. Oceangate : let's make a cylinder!

When you hear about ocean gate and then watch this about amazing ppl and engineering and proble solving to the highest of quality its saddens me rip those 5 men ❤❤

Gotta give it to Ocean Gate for opening a whole new world of interest for me. This deep sea submersible stuff is really cool

I don't know about y'all, but I find this team pretty.......Inspirational.

Amazing and very underrated documentary. Not so often I don't feel the urge to skip the parts in a video. Very inspiring indeed. Be well.

Who watched it because of the " titan disaster " ? This is how it should be done 👍🏼

Notice how the oceangate sub was called the Titan, like an all conquering thing of great strength, while this sub is named Limiting Factor, like its grounded in reality.

Beautiful design + marvelous engineering + brave people = Wonder.

I hate that I discovered DSV Limiting Factor and all the teams involved with it after such a tragedy from the Titan crew. But, such a disaster really makes you appreciate when something is done truly right. Maybe Oceangate is inspiring people to look into submersibles in a way they unfortunately never intended. Good luck to Victor and the whole crew on any future expeditions, and congratulations on the achievements so far. This thing is one of the coolest watercraft ever produced.

Tom Blades (one of the main designer of the LF) said, " You can't just design one system at a time in isolation, you have to look at the whole picture". Something Oceangate design team have overlooked.

Excellent! That is how you make and test a submersible. Fantastic engineering, manufacturing, and testing.

This topic seems to have imploded all over the internet!!!!

who's here to look at a real sub being made after seeing what the idiots at Oceangate made?

Someone who worked on one of these ultra deep scientific subs told me a story once, explaining that the small window becomes almost like a liquid at that pressures, he said you could actually see it move like it’s alive. Can’t remember if it was glass or acrylic windows that he said this happened to, but when I heard this I already decided I’d never go inside one of these things

This, was not controlled and operated by a single game controller and small tablet screen. This is real engineering!

What an amazing feat of engineering and human willpower and lots of money. Exemplifying the drive to explore, do science, and preserve history. One of the best videos on RU-vid 120%. This rating was certified 20% past the highest rating on RU-vid.

I’m so impressed. This is why I love engineering and science. It’s so cool!

Mind blowing achievements, this was a pressure test on so many levels . Top marks to all involved.

This is a true example of professional ocean exploration…This team of people are so incredibly talented… Extremely well done

I find Victor an amazing human being. His interest in exploring the planet and all of its extremes is simply amazing. And to be brave enough to dive that deep where in one milisecond you can literaly implode from the pressure if something goes wrong. Thank you Victor, you really did make it to where no one ever did and I am glad because you gave everything for that accomplishment 😊

What an amazing machine. Truly incredible. I wish it went into more detail with the technical aspects. How does it control buoyancy. How do the various seals withstand so much pressure. Is everything electrical contained inside the sphere. So many questions.

It's funny how the design of this grows on you. When I first saw it, I didn't like it. It reminded me of a briefcase. But the more I look at it over the years, I really like it. Truly a testament to amazing engineering.

The amount of R&D that goes into a vessel like this is unbelievable! Truly brilliant minds at work.

This seems like the right way to make a sub

Anyone else obsessed with Subs lately?

Stockton Rush was a mad man! My lord!

After watching this it’s easy to understand what went wrong with Oceangate.

Incredible documentary, bravo triton and other worldwide teams

I guess Ocean Gate didn’t watch this video and everything it takes to make such great submersible

And this is how you build a DSV. No off the shelf parts, good engineering (certified to go to the deepest points in our oceans +20%!, amazing safety margin), proper testing and you end up with a spectacular machine capable to expand our knowledge of the oceans.

Such an amazing story! Thank you! Thank you to all those connected to this design & building project.

Having just watched your fantastic video where you found the destroyer Samuel B Roberts, it's been a real pleasure to see how this craft was built. Both videos have been so very interesting, I would have happily sat through a further hour of watching the build. Well done to all involved.

Are you here after the Oceangate Titan too?

The more I discover about the flaws in the OceanGate Titan design, the more angry I become. I hope that the investigation into that business is thorough and that it has a positive effect on the industry. And let's hope that the families of those that perished receive justice.

Seeing this, the submarine that implode in the titanic remains looks made by Playmobil

A inspirational bunch of men, remarkable design!

So this is the correct way of building a submersible without cutting corners. Well done.

Certified !

I am watching this incredible video a day after the Titan was found near the Titanic. I am no expert but why in the world did the Titan owners try and re- invent the "wheel". From my understanding this sub is state of the art. Great video.

Congratulations! It's amazing to see what humans can accomplish when we work together! Excellent production! As a CAD designer, former commercial diver, and now semiconductor industry engineer, it brings joy to see this. Thank you.

I am here after researching the Titan tragedy (like many reading this I'm sure!). The difference in the approach to the engineering challenge is stark, and a perfect example of why this kind of endeavour needs to be treated with the utmost professionalism.

Meanwhile OceanGate over here making their hull out of spray foam from Home Depot

I have no problem running into burning buildings to put a fire out or do what's necessary to rescue someone in danger because people count on us to get them out of danger. Watching these people on video is fine by me. They are true definition of being brave.

Amazing documentary. Would have been great to get some POV shots from inside the submersible at depth. Building this is an absolutely incredible feat, that I hope everyone who worked on is immensely proud of! Deep sea exploration does not get nearly enough attention/credit, compared to space travel nowadays. Amazing things are happening at the bottom of our planets oceans; and the people exploring them are just as important as astronauts!

testing and certification just inspires confidence - the fact they simulated ocean depth is fantastic!

What an absolutely fascinating documentary video of building this unique craft for the unique challenge they accomplished! I found it fascinating that this craft was made for this guy to do the solo dives to the 5 deepest places in each of the 5 oceans. Amazing accomplishment! What a great documentary video!

Well done Triton, great submersible and great documentary

This Video lets you see and understand, the utter inadequacy of the OceanGate Titan.