Inside the Battleship's Triple Bottom 

Same here.

😂😂😂

I like that! Good one. Hey bud, how many Szymanskis tall are you? Or, I got a new 3 and half Szymanski pontoon boat!

@@wvalmostheaven9342 How many football fields is that?

There's already the Smoot, which was used to measure the Harvard Bridge by Oliver Smoot laying down on the walk as his fraternity brothers marked chalk lines. This measurement is still in use today, being marked on the the bridge (and the marks being cited as locations in police crash reports for example). Having a unit of measure named after him is somewhat prophetic as after graduating from MIT he went on to later be the chairman of ANSI and the president of ISO. en.wikipedia.org/wiki/Smoot

Certain to supplant the cubit.

Mike Rowe could film an entire episode of Dirty Jons on a museum ship like this!

@@craigisbond007 I am sure Ryan and crew could keep Mike Rowe very busy helping to restore the USS New Jersey and get him plenty dirty too.

My uncle and dad went to the same school as mike rowe

Yes, also down there are the HPAC, MPAC, and LPAC. Go over what each of those did throughout the ship. Some were used in the turrets. Also the fate of the FWD Diesel and what happened to it. It was apart when I got on board.

Concur!

2 videos for you: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2cVDdFuA9AY.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-mHkwt6ugZkk.html

I've been wondering what the sea chests and scoops he refers to look like

They say the "fresh" water component of the Delaware river in that area is roughly 100% sewage treatment plant outflow by volume. Plus, mixing with the salt water that comes upriver in those 8 foot tides does not help clarity. So you wouldn't see much down there, not even your hand.

@@AmericanOdyssey91 that would be interesting.

blub glub blob blib blub blab glerb bleb

Lol!

Does it really count if it is most likely his idea to get in there? He did voluntarily crawl through a gun barrel...

@@cluerip yeah i know i just think that should be the name of this series of videos Ryan in cramped dirty places LOL

Inside a prop shaft!

Oh yesss, let's all think of the worse places to have Ryan show us...! Bilge tanks would be nice, if they're full of bilge water & rats (it's a start...!)

Not to be confused with the preceding layer, corroded.

@@blackopsy9 lol

two levels down and it is the USS Tetanus......

That is funny. BUT that could be very dangerous I think all of her hatches are open, with no crew to shut them she would sink quick.

Most of these areas are open and hatches covered by those yellow grates. This is for dehumidification. But I gotta say crawling around in the spaces under the water line would be very spooky.

That's how it all started 40 plus yrs ago!

We also did one recently for the s3 division, so laundry and barbers and ships store guys.

@@BattleshipNewJersey that is exactly what I mean

the same here. When he went into that gun barrel I hit full panic mode and wouldn't watch until I was assured he wasn't actually seen inside it until the very end.

Me too.

We don't do move reviews. The copyright folks are intense. But safe to say, just about everything in that movie is impossible.

They would have a large rounded transom. Wait. Are you talking about the bottom of the boat adjacent to the keel?

Most of those hits were against her armour belt and deck armor. Which on most ships is already the strongest part of a ship. And given the Yamato's sheer size I think it's safe to say her armour was thicker than most. All the Yamato proved was even the most powerful Battleships are helpless on their own. Sure she took one hell of a beating but inflicted very little damage relatively speaking against her attackers.

@@clothar23 Indeed. But had she a special Armour system against torps? I would like the pure comparison, to learn more. Not demanding it- but I think it could be very interesting.

Heres a video we made specifically because of Under Siege and that scene ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sjnz6ppCWAw.html

DC Central is on third deck, just aft of Turret II, on the port side.

The ship was designed to have many oxygen free spaces. These spaces were closed and required a series of steps to enter. Its a serious concern for us as we move through the ship and we follow certain protocols to keep ourselves safe.

"Decent into Darkness", a book about diving on and repairing battleships at Pearl Harbor has some stories of workmen dying after entering spaces void of air.

@@BattleshipNewJersey I'm assuming these spaces were/are filled with some inert gas, not just vacuum, right?

I work in the utility business and it is a frequent concern about the oxygen levels in areas like this. There are procedures under OSHA for confined space entry, and these particular videos especially when Ryan was in the locker chain bin have always made me very nervous. Ryan is doing all of us an incredible service by sharing these videos with us and I hope he and the staff are being cautious about making sure there's proper aeration. I can't thank you enough for making this whole series of videos, a gift to the world.

@@kmatson07 Yup, same when I worked at Disneyland. One person had to stay outside the confined space while someone was inside at all times.

We have a lot of drills with the local Fire department for fires, and our flooding procedures are really to just seal the doors, so pretty simple.

Any rescue Ryan drills?

@@brianfieler2332 Apart from, or in addition to, the camera operator carrying a slab of butter and a very large pin?

That does make sense. It could be like a crumple zone in a car, designed specifically to absorb the force and keep the damage in specific areas rather than run the risk of an entire slab of uniformly thicc metal getting warped together.

I would also say the different thicknesses were also due to limited supply of steel, the yard would have gotten in a shipment of steel in different sizes, and as the ship was being built they often had a choice of waiting for the right thickness, and blow the timelines, or use the closest to what the plan showed, and have it signed off by the designers as permissible. That it also put in failure points that were much easier to repair was a bonus.

The diesel was just for the back up generators, the propulsion plant used navy special fuel oil (bunker fuel).

They did, its basically diesel that they switch to, but since it's not identical they are kept separate

I was a Machinist Mate from 88-95’. Spent 2 1/2 years onboard, and was in charge of fuel on my second ship, an oiler AOR-7. We carried only two types of fuel onboard, JP-5, jet fuel, and DFM, Diesel Fuel Marine, F-76, usually called bunker fuel although this wasn’t a term used by the navy. Although all boilers, Diesel engines and Gas Turbine engines used primarily F-76, mostly due to cost, they could run on JP-5, and usually like it because it burned cleaner and made maintenance easier. We did send some JP-5 as downgraded DFM, but it was rare because of cost. On all ships The JP-5 was kept separated from the DFM. On all ships we had storage tanks, which could feed and day tank, either boilers, gas turbines, or Diesel engines. Each Fire-room/ boiler had several Day tanks that they used for immediate use. Each generator also had day tanks for there use as did gas turbine engines. On Big J she could not only fill her day tanks from her storage tanks, she could also refuel other ships from these storage tanks. There was some gasoline carried, not in main fuel tanks though. It was generally carried in gas drums/cans, used for the P-250 emergency fire/de-watering pumps. It was considered to flammable so it was not kept in storage tanks where it could be damaged from attack.

@@cruser69 Thank you!!!!

This space has been open for 20 years, we aren't concerned about oxygen in this particular space. However, we do follow protocols for confined spaces.

The most modern ships that are a museum would probably be Edson or Turner Joy, hiddensea is probably the last built, as a musuem in US anyway. Nautilus is quite modern. The Canadians, British, and Austalians, might have more modern?

I am glad I am not the only one making this reference! - Libby the editor

2.5 million gallons and around 500 tanks

Bilge pumps are a thing for reason ya know.

Heres our deep dive into the evaporators: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-mHkwt6ugZkk.html

There is very little difference between the 3 WWII class battleships torpedo defense or hulls. Just length, and placement of the harder steel in the Armored belt. I think the NC was the only one torpedoed, and it was hot forward of the Armored belt. It survived, and despite 5 dead, and a 35 X 18 ft hole, never lost speed, and had the damage under control within 6 mins, by flooding another water tight bulkhead to correct the list. If you know of another WWII battleship that recieved a torpedo hit please let me know.

I know the South Dakota was put out of commission with damage it recieved in ship to ship engagements at Guadalcanal, the same battle where the Washington, (NC-class), made history as the only US battleship to sink an enemy battleship. But, other than the NC, I dont know of another one that was torpedoed. (An unintended, lucky/unlucky shot by the way.)

The 16 X 45 caliber guns on the NC, and SD- class battleships, vs. the 16 X 50 caliber on the Iowa-class differ only in length, and thus a few miles in max/effective range. The thickness in the Armor between the 3 classes, was never tested, other than the battle with the 2nd battle of Guadalcanal with the Washington and SD. Nor did it play a significant factor. One could say the Iowa-class was an unneeded waste of taxpayer money. But, I suggest that with the benefit of hindsight.

The frames that don't divide tanks from each other have multiple holes cut in them. In the middle there will be a framed hole big enough for a smaller man to squeeze through. Several of those are visible in this video. There will also be "weep holes" where the framing plate has a hole cut before welding it in. Often they are a semi-circle hole. One will be placed at the lowest elevation for liquid to go through and the highest location for air to get through. As for pumping: The pumps are higher up in elevation. Suction lift is used to get the fuel or water up to the pump inlet as the lowest level of the machinery rooms are above the tanks. There are far more tanks than there are pumps. There is a complicated piping system associated with each type of tank. Pipelines will lead to manifolds where rows of valves are located. Each valve connects to a pipe that goes to an individual tank. There is an oil master who's in charge of how the tanks are filled and used. He will create the schedule of what and when every valve is to be adjusted. Those instructions are relayed to crew in the appropriate space to go adjust valves so trim and buoyancy is maintained, hull stress is minimized, etc... and oil and water needs are met.