The sixth mine-sweeper of project 12700 "Alexandrite" was launched

Another mine defense ship (minesweeper) "Pyotr Ilyichev" of project 12700 "Alexandrite" was launched. The ceremony took place at the Sredne-Nevsky shipyard, the press service of the enterprise reports.

The Pyotr Ilyichev is the sixth Project 12700 Alexandrite minesweeper, laid down at the Sredne-Nevsky Shipyard in July 2018. The transfer of the ship to the customer is scheduled for the summer of 2021, the ship will become part of the Pacific fleet.

The Commander-in-Chief of the Navy Nikolai Evmenov, who was present at the ceremony, said that this project had shown itself well and the construction of minesweepers would continue. So let's hope that the series of Project 12700 PMO ships will not be limited to 10 minesweepers as previously planned.

The sixth "Alexandrite" was named "Pyotr Ilyichev" in honor of the Hero of the Soviet Union, the Pacific Fleet sailor Pyotr Ivanovich Ilyichev, who closed the embrasure of the Japanese bunker on August 18, 1945 during the Kuril operation in the battles for the Shumshu island.

Minesweepers of the 12700 project are able to use the latest hydroacoustic stations located both on the ship itself and on remote-controlled and autonomous underwater vehicles, and they have an automated mine action control system. Able to use traditional and traditional weapons. The ships of the Alexandrite series have a unique hull made of monolithic fiberglass, formed by vacuum infusion.

The 12700 project was developed by the Almaz Central Marine Design Bureau for the Russian Navy. These mine defense ships have a displacement of about 890 tons, the length is 62 meters and the width of 10 meters, the crew has 44 man.

Comments

[svp67]

And not a bad pace of "gluing" ... Keep it up. The ships are needed and they are definitely not enough now

[Machito]

A series of minesweepers, of course, pleases, but, as it was written in the VO, their armament should be strengthened.

[FIR FIR]

Quote: Bearded

their armament should be strengthened.

This is, if very mildly.
But if it is straightforward and tough - it is necessary to create modern automated systems for finding sea mines and combating them, they need to be created yesterday. This is where the problem lies, along with torpedo and anti-torpedo.

[Eldorado]

We are sure that new orders will be upgraded.

[Uncle lee]

Quote: svp67

The ships you need

How does the plastic case behave? It's somehow unusual ...

[svp67]

Quote from Uncle Lee

How does the plastic case behave? It's somehow unusual ...

And earlier there were concrete hulls at the ships and nothing, they exploited

[demiurg]

Why don't we remember about Hubbakuk? Ice with sawdust is our everything. We have this stuff in bulk.

[svp67]

Quote: demiurg

Ice with sawdust is our everything.

Consider the progenitor of the current "composite"

[demiurg]

Behave well. The entire body is molded at the factory. This used to be practiced only for superyachts.

[avg]

Why only for superyachts, for the GDR Trabants too.

[FIR FIR]

Quote from Uncle Lee

How does the plastic case behave?

Unique boat. No one in the world has ever made it from such material, yes of this size.

[Avior]

The British made fiberglass minesweepers in size, albeit smaller, back in 1988

[FIR FIR]

Minesweepers of this size from composite materials have never been built by anyone, ever.

[Avior]

minesweepers of comparable size and the same purpose have been building from such material for a long time

[Pashhenko Nikolay]

It is more textolite than plastic.

[Avior]

The British have minesweepers with reinforced fiberglass hulls for more than 30 years, since 1988.

[petrol cutter]

"And how does the plastic case behave? It's somehow unusual ...
Plastic (more precisely, this is not plastic, but several layers of composite fabric impregnated with resins)
Behaves great. It is practically eternal. This is me about the body.
Unless, of course, gentlemen constructor, the technologists have calculated everything correctly.
Otherwise, the bag. Under load and vibration from the same engines, the parasite stupidly begins to crack / burst and delivers many sorrows to the assemblers of composite ships.

[petrol cutter]

I wanted to add.
Shchaz is such a jumble of speedboats and stealth ...
At the same 22800 "Karakurt" - displacement chernukha hull / superstructure - AMG / mast - composite.
Here is such a vinaigrette ...

[Uncle lee]

Quote: Petrol cutter

stupidly starts to crack / burst

Here! This is also the question. When I worked with the St. John's wort, there were wooden fangsbots, then plastic ones. Plastic ones were not very useful in ice, in terms of strength. That's why I asked this question about the plastic case.

[Ingvar 72]

Quote: svp67

And not a bad pace of "gluing"

Since 2011? Of course, I'm happy with the new ships, but 10 years is a bit too much for six ships. I look at China, and it becomes envious and scary.

[Ripap]

Yeah. 4 (four) minesweepers introduced into the fleet in 10 years ... Powerfully, inspires. At this rate, it is possible to build as many as 100 in 40 years.

[Soldatov V.]

On all ships of this displacement and above, you need to put the Pantsir-m instead of a six-barreled gun.

[demiurg]

Yeah. And Caliber and Redoubt, and Package. In the limit, we get a new TAVKR with the possibility of trawling.
There is no need to increase the value of the ship. Minesweepers do not work under air strikes.
The six-barreled gun is like a lock on the door, from honest people.

[Ripap]

All jokes, but the AK 630 is not the best speaker. Never Falenx.

[Barberry25]

well, actually there is an ak-306 ... this is different ... although on such ships you need to put an ak-301 combined with a flexible-s

[Ripap]

And can you ask how "Flexible" with a "willow" inserted into it with its ceiling of 4 km will protect you from the ever-memorable Turkish drone that shoots this almost 1000 tons of displacement ship with KABs from a height of 6-8 km?

[Barberry25]

In no way, like any other short-range air defense system, but at the same time, Gibka + 301 will be able to hit the ammunition themselves ... the trawlers must work under the cover of air defense

[Ripap]

So what's the problem with putting on the Carapace? It's not that very big, I think it's not a problem to deliver a ship for 1000 tons of displacement. He can get a drone, as well as some stray anti-ship missiles.

[petrol cutter]

"So what's the problem with putting on the Shell? It's not that big, I think it's not a problem to put a ship for 1000 tons of displacement."
The problem is that these systems have completely different barbets.
It's not even about them, but the fact that the Shell M has a very impressive under-deck space. It is far from always possible so simply, if it was not thought out in advance, you will be able to organize it there ...
In any case, this leads to a strong rework of the blueprints and a possible major change in the superstructure.
Are such perturbations real on a specific project ... That is to think for the designers of these steamers.

[Saxahorse]

Quote: RipRap

So what's the problem with putting on the Carapace? It is not that very big, I think it is not a problem to deliver a ship for 1000 tons of displacement.

Pantsir-M eats up one combat module (tower) with an ammunition capacity of 7100 kg, plus the command module must be squeezed in. And the total displacement is only 890 tons. A bit cramped.

[Soldatov V.]

No need to exaggerate, I don’t suggest anymore. Now everyone is working under air raids, remember at least Karabakh. At sea there will be the same situation. I proceed from the principle of protecting our sailors and soldiers by any means, not depending on the cost. This minesweeper is not a basic one, but a sea one. If I'm not mistaken. The radius of the Shell 40 km is a good umbrella. Nobody will let us clear mines in greenhouse conditions.

[demiurg]

The carapace will gobble up not only the price, but also the weight and volume.
All over the planet, minesweepers are almost unarmed.

[Ripap]

The carapace even protects the lousy "bayraktar", in contrast to the "needle" and "willow". Leaving a ship of such a displacement, in fact, completely without air defense - well, that.

[FIR FIR]

Quote: V.

Nobody will let us clear mines in greenhouse conditions.

That's right.
But Carapace will not save the minesweeper if the enemy has overwhelming dominance at sea and in the air.
Then it is necessary to put the Redoubt, cells on 80 (just kidding).

[Piramidon]

Quote: V.

Nobody will let us clear mines in greenhouse conditions.

But no one keeps minefields under the protection of destroyers and cruisers and aviation. They put mines mostly on the enemy's shores on the sly and directors quickly dump them from there. And, as a last resort, the protection of minesweepers can be organized without turning them into a warship armed to the teeth.

[Ovsigovets]

wrong, basic

[New Year day]

Quote: demiurg

Yeah. And Caliber and Redoubt, and Package. In the limit, we get a new TAVKR with the possibility of trawling.

Well noticed

[FIR FIR]

Quote: V.

you need to put the Pantsir-m

It's a minesweeper.
The fashion for these ships will pass very soon. Modern anti-mine systems fit well on standard ships of the Navy - such as frigate / destroyer, if necessary.
But we again, again, went their own original way.

[Soldatov V.]

Here the infantry was given a portable anti-aircraft complex - why? There is a normal air defense. So with a minesweeper, why not put an ultra-modern small-sized air defense system on a ship of a suitable displacement, whatever its purpose. Understand the main thing it protects people and not iron.

[FIR FIR]

Who is against the small-sized, ultra-modern? Is he ........
These ships are already built slowly, and they cost a lot. Installing the Carapace will increase the cost and complexity of the project even more. But can one Shell be able to reliably protect the ship from the attack of two or three fighter-bombers?

[Soldatov V.]

When it comes to the life of a Russian soldier and a sailor, I do not accept arguments about the rise in price and complication. The shell seems to work with four or six goals, I don’t remember, I need to look.
Now I thought, the Jews troll me again.

[alstr]

They fit, but if trawling begins, then the ship is lost for other tasks.
So it's better to distract the strike ship or use a cheaper ship.
In addition, unlike standard ships, minesweepers ALWAYS (after the appearance of non-contact mines) had a special hull made of non-magnetic materials

[FIR FIR]

Quote: alstr

They fit, but if trawling begins, then the ship is lost for other tasks.

Naturally.

Quote: alstr

So it's better to distract the strike ship or use a cheaper ship.

A multipurpose frigate, which should already be built in a large series for the fleet, or a specially designed highly specialized ship. How much money did it take to create a completely new project? Of course, a sea minesweeper is cheaper than a frigate, but you can't call it "cheap" either.

Quote: alstr

In addition, unlike standard ships, minesweepers ALWAYS (after the appearance of non-contact mines) had a special hull made of non-magnetic materials

modern remotely controlled boats with autonomous underwater anti-mine devices operate at a certain distance, which significantly reduces the requirement for the materials of the hull of their carrier.

[alstr]

Well, in general, there are MANPADS in the state (Igla and Verba).
Quite enough for a minesweeper.

[Ripap]

Do you really think this air defense is sufficient for a warship half the size of a 20380 corvette? At the same time, these "willows" are not even installed in the "Gibka". They are simply launched by hand.

[alstr]

Yes, enough. If you remember that this is a BASIC minesweeper.
"Basic minesweeper - a class of special-purpose warships with a displacement of up to 500 tons, designed to search, sweep and destroy mines in the waters of naval bases and basing points, as well as in coastal areas (50 miles), escorting ships (vessels) through mines obstacles and minefields. "
Now the question is - why does he need something more than MANPADS, if his main work is in the base? It should be borne in mind that the basing sites should be covered by aviation.

As for the size, then the question is in the unification, tk. on the basis of this corps, it was supposed to make a series of patrol ships. It is there that you can put something more powerful from the air defense and it is not a fact that you need it).

[Ripap]

This is a MARINE minesweeper with a displacement of 850 tons. What are you talking about?

[alstr]

About what is written in all descriptions in this project.
For example in WIKI.
"Project 12700 base minesweepers" Alexandrite "are a series of Russian naval anti-mine ships of the base zone of the 3rd rank, the project of this minesweeper was created at the Almaz Central Marine Design Bureau for the Russian Navy, belongs to a new generation of mine-defense ships (PMO) of the near sea zone . "

[Ripap]

They also write a lot on the fence, and behind it - firewood. If in all respects, except for weapons, it is a sea minesweeper, then it is an under-armed sea minesweeper, this does not make it a base one.

[alstr]

The developer writes in the same way.
http://almaz-kb.ru/products/voennogo-naznacheniya/korabli-protivominnoy-oborony/protivominnyy-korabl-bazovoy-zony-proekta-12701/
And the developer does what is written in his Terms of Reference.
And the main parameter is the customer's specification. And in this case, he sees this project as a BASIC minesweeper.

[Ripap]

Yeah yeah, and Graf Spee is a coastal defense battleship, Scharnhorst is a battle cruiser, and Project 26 cruisers are light, of course. And, well, Kuznetsov, of course, is not an aircraft carrier, but a TAVKR.

But why a large base minesweeper is needed, even by the standards of a naval minesweeper, despite the fact that no naval minesweeper is being built, is the mystery of the century.

[alstr]

There is no mystery. It was just planned to make patrol ships on the basis of this corps.

[Ripap]

Why then waste time on trifles? You can immediately make a base minesweeper in the corvette's hull. Well, what, it is only 2 times more than this "basic" minesweeper in displacement.

In my opinion, you do not need to be seven spans in the forehead to understand that, if necessary, it is used as a marine.

[Alexey RA]

Quote: RipRap

But why a large base minesweeper is needed, even by the standards of a naval minesweeper, despite the fact that no naval minesweeper is being built, is the mystery of the century.

The most interesting thing is that as a result Project 12700 turned out to be not even large enough. For the regular BEC Inspector does not fit on the deck.

[Soldatov V.]

By the way, project 22800 has the same tonnage and the same dimensions and it has Pantsir-M, which can fight simultaneously with four targets, including anti-ship missiles

[alstr]

But it doesn't have mine-torpedo equipment on it.

[Ruslan Sulima]

Seven feet under the keel!
As for the weapons, the minesweeper has the task of detecting and destroying mines, for this there is enough available. You should not make a multi-functional monster out of a ship designed to solve a certain range of tasks.

[Alexander X]

Excellent! Well done. And further, so as not to be worse

[Ros 56]

As usual, seven feet under the keel.

[xomaNN]

In Soviet times, I was on business at the Sredne-Nevsky plant, at Pontonnaya. Then the small trawler of project 1258 "Corundum" was collected in Cuba. And I was even in the export team from the beginning.
Well done for not "upsetting" people, equipment and technologies. And they glue ships with the name of the stones - "Corundum, Alexandrite, Sapphire, etc."

[seregin-s1]

Successful and fast completion! Great new ship!

[petrol cutter]

I envy.
And in our area ...
Movement "Kometa" - the head for the installation of the wings today. The third launch of the A40 (the same one) today. Lord, when will he leave for Novorossiysk?! .. He has been there for a year and a half as he has to lay out the open spaces of the sea and install booms.
Nightmare. We also have a second A40.
By the way, and the second "Cometa".