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    Aircraft Carrier Admiral Kuznetsov: News #2

    Hole
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    Post  Hole Fri Aug 17, 2018 8:11 pm

    Stands at the yard in Nikolayev. Should be able to lift a whole class of typical school kids from Amiland. Laughing
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    Post  hoom Tue Aug 21, 2018 7:58 am

    That's a fair lift... Very Happy
    Shipbuilding stuff is so huge it blows my mind, would like to get to see a proper shipyard sometime.

    Recent pic, I believe thats 3 boilers on the deck.
    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 21-6589901-256302
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    Post  Tsavo Lion Mon Sep 03, 2018 8:54 am

    Some 2014 shots of Adm. K with/from icebreakers:
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    Post  JohninMK Tue Sep 04, 2018 1:24 am


    Capt(N)
    ‏ @Capt_Navy
    7h7 hours ago

    The new turbo-pressurised boilers on deck of the aircraft carrier RFS 'Admiral Flota Sovetskogo Soyuza Kuznetsov'.


    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 DmLGnd8XoAAqO82

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    Post  LMFS Sat Sep 08, 2018 6:03 pm

    Source: the aircraft carrier "Admiral Kuznetsov" will be put in the dock from 14 to 17 September

    https://tass.ru/armiya-i-opk/5538769
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    Post  Big_Gazza Mon Sep 10, 2018 5:31 pm

    ASTOUNDING NEWS - an article on "national Interest" on the Kuznetsov that isn't a pile of propaganda Bravo-Sierra...

    Why Russia's Only Aircraft Carrier Pumps Out So Much Black Smoke

    hese engineering difficulties are also given as a potential reason for the Kuznetsov's super-smoky nature. Vice Admiral Pyotr Svyatashov explained, saying that because of improper calibration in the preheating or injection mechanisms, the Mazut injected into the combustion chamber might not have had time to combust fully—in other words, the partially burned products are causing the black smoke.

    For most sailors who served on the Admiral Kuznetzov, Mazut is the stuff of legends. The ultra thick, tarry black substance that powers the ship is known for being rather toxic, sticky, and not easy to get out of clothes. But why did the Soviet navy keep powering its ships with Mazut? What are the advantages and disadvantages of the fuel? Why exactly is the Kuznetsov so smoky?

    Not all Russian ships run on Mazut. Of all the large ships the current Russian Navy operates, only the Sovremenny-class destroyers and the Admiral Kuznetsov aircraft carrier run on Mazut. Given the large profile the Admiral Kuznetsov on the global scene—being Russia's only aircraft carrier—naturally, some curiosity has arisen about what it runs on and why it produces so much smoke.

    Mazut is a heavy petrochemical fuel . While most sources refer it to being taken from the very bottom of a distillation stack, this is inaccurate as "mazut" is a blanket term for very-heavy oil products, including those that can be formed from blending heavier oils with some slightly lighter ones.

    In the West, Mazut would fall into the Bunker B and Bunker C fuel oil classifications, although the ISO 8217 standard has superseded these categories. Under the ISO 8217 standard, Mazut may be classified as RMG or RMK fuel.

    These thick, heavy fuels were, by and large, the standard for both military and commercial vessels up until the 1960s and 1970s. Their thick nature gave them a very high volume to energy ratio compared with lighter distillates. But to be burned, they often had to be preheated and pressurized in a complex series of boilers and pipes.

    Burning these fuels could also produce large amounts of sulfur, as such heavy minerals tended to settle to the bottom of a distillation stack. As a result, these fuels can be expensive to procure in nations with higher environmental standards as they must be distilled from crude with a low initial sulfur content or removed via a chemical process.

    For these reasons, Western navies began to transition to gas turbine propulsion in the 1960s and 1970s. Gas turbines use natural gas and distillate fuels, not heavy bunker fuels. Currently, all U.S. Navy ships use gas turbines for propulsion except those powered by nuclear power or the Freedom-class, which uses an electrical drive system.

    However, the Soviet Navy seemed hesitant to make such a complete shift to gas turbines. While the Slava-class cruisers laid down in the 1970s used gas turbines, the Sovremenny-class destroyers laid down in the same era still were designed with a Mazut-powered propulsion system, reportedly due to the inability of the Soviet industry to produce enough turbines at the time. The later Udaloy-class destroyers continued the trend of using gas turbines.

    The big question is why the Admiral Kuznetsov continued to use Mazut. Nuclear power was an option on the table, as the Kirov-class battlecruisers being designed around the same time used nuclear power plants—although the later Ulyanovsk-class of carriers planned to use nuclear power. One possible reason was that the class was partially based on the hull shape and layout of the earlier Kiev-class carriers, which ran on Mazut.

    While Mazut was definitely not an optimal fuel choice for the Admiral Kuznetsov, its long and troubled construction process only compounded the problems. A Russian news article describes the Kuznetsov as having a “weak heart” due to the poor standards of shipbuilding when it was being completed in the 1990s in the Nikolayev Black Sea Shipyard in Mykolaiv.

    Furthermore, Admiral Valentin Selivanov said, “From the very beginning, poor quality pipes were installed in her boilers.” The same admiral then went onto describe the Kuznetsov's 1990s sea trials. Due to the problems with the pipes, not all boilers could run at full capacity all the time, and they would often break down. Sometimes the ship was reduced to operating on one boiler, giving it a speed of around 4 knots. These same reliability problems lead to the Russian Navy sending tugs to accompany the Kuznetsov during its 2016 trip to the Syrian coast.

    These engineering difficulties are also given as a potential reason for the Kuznetsov's super-smoky nature. Vice Admiral Pyotr Svyatashov explained, saying that because of improper calibration in the preheating or injection mechanisms, the Mazut injected into the combustion chamber might not have had time to combust fully—in other words, the partially burned products are causing the black smoke.

    This is supported by some other analysts , who say that the exhaust color can be widely classified into three colors—grey for oil, white for water, and black for fuel. Some blogs have gone into further analysis of the potential mechanical problems that may cause black smoke, albeit on the Sovremenny-class ships, which have suffered their own bouts of black smoke.

    However, some Russian military experts have attempted to downplay the problem entirely. Admiral Ivan Vasiliyev said on the show “Tsargrad” that the black smoke was a deliberate move to show the British that the Admiral Kuznetsov was there, as per “seaman’s tradition.”

    Full article
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    Post  Isos Mon Sep 10, 2018 6:36 pm

    So with the modenization no more black smoke ?
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    Post  Big_Gazza Tue Sep 11, 2018 7:32 am

    Isos wrote:So with the modenization no more black smoke ?
    Precisely.  What ever will the HATOstani trollz do without being able to laugh at the K's smoke plume?  Poor little dears, they will be inconsolable with their loss...  Laughing
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    Post  Tsavo Lion Tue Sep 11, 2018 8:15 am

    Also no tug will be needed to follow it!
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    Post  x_54_u43 Tue Sep 11, 2018 10:59 am

    Tug is simply standard procedure for long range naval sorties, they also double as logistic vessels(fuel and such), there are photos of Kuz being refueled from one on it's Syria deployment.
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    Post  Isos Tue Sep 11, 2018 11:45 am

    Big_Gazza wrote:
    Isos wrote:So with the modenization no more black smoke ?
    Precisely.  What ever will the HATOstani trollz do without being able to laugh at the K's smoke plume?  Poor little dears, they will be inconsolable with their loss...  Laughing

    Don't talk too fast. If it leeps smocking it will be a real problem because that would mean their naval industry sucks for real.
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    Post  Big_Gazza Wed Sep 12, 2018 5:26 am

    Isos wrote:
    Big_Gazza wrote:
    Isos wrote:So with the modenization no more black smoke ?
    Precisely.  What ever will the HATOstani trollz do without being able to laugh at the K's smoke plume?  Poor little dears, they will be inconsolable with their loss...  Laughing

    Don't talk too fast. If it leeps smocking it will be a real problem because that would mean their naval industry sucks for real.

    Why would it continue to smoke with all-new turbo-boilers ????? Suspect ffs...
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    Post  Tsavo Lion Wed Sep 12, 2018 9:27 pm

    x_54_u43 wrote:Tug is simply standard procedure for long range naval sorties, they also double as logistic vessels(fuel and such), there are photos of Kuz being refueled from one on it's Syria deployment.
    Maybe it was getting fuel from the Adm. K. I never heard of an ocean tug supplying fuel to a ship. But sometimes CV/Ns refuel smaller ships: https://en.wikipedia.org/wiki/Underway_replenishment#/media/File:Rentz_and_Ranger_Unrep.jpg
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    Post  Isos Wed Sep 12, 2018 9:33 pm

    Big_Gazza wrote:
    Isos wrote:
    Big_Gazza wrote:
    Isos wrote:So with the modenization no more black smoke ?
    Precisely.  What ever will the HATOstani trollz do without being able to laugh at the K's smoke plume?  Poor little dears, they will be inconsolable with their loss...  Laughing

    Don't talk too fast. If it leeps smocking it will be a real problem because that would mean their naval industry sucks for real.

    Why would it continue to smoke with all-new turbo-boilers ?????  Suspect  ffs...

    If they fucked up the new boilers during construction lol1
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    Post  SeigSoloyvov Wed Sep 12, 2018 9:51 pm

    Isos wrote:
    Big_Gazza wrote:
    Isos wrote:
    Big_Gazza wrote:
    Isos wrote:So with the modenization no more black smoke ?
    Precisely.  What ever will the HATOstani trollz do without being able to laugh at the K's smoke plume?  Poor little dears, they will be inconsolable with their loss...  Laughing

    Don't talk too fast. If it leeps smocking it will be a real problem because that would mean their naval industry sucks for real.

    Why would it continue to smoke with all-new turbo-boilers ?????  Suspect  ffs...

    If they fucked up the new boilers during construction lol1

    Has one of the people labeled pro NAT here because I don't make excuses for Russia or jack to them.

    If they can fix the propulsion problem with the Kuz, good for them and I'll give them credit if they do.
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    Post  GarryB Thu Sep 13, 2018 1:40 pm

    Tug is simply standard procedure for long range naval sorties, they also double as logistic vessels(fuel and such), there are photos of Kuz being refueled from one on it's Syria deployment.

    Tugs are standard procedure for Russian ship groups because they are limited as to the number of friendly ports available if something should develop.

    Of course sometimes getting fuel from a port is a possibility but it is too small for a carrier to go in and get, so having a smaller ship go in and fuel up and then bring the fuel out to a sea anchorage makes sense.

    Many Russian tugs have multiple functions.


    If they fucked up the new boilers during construction

    Of course... they are totally incompetent...

    I mean presenting the evidence to the court... look at the smoke pouring from this vessel...

    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 1280px11
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    Post  hoom Sun Sep 16, 2018 6:21 pm

    In drydock
    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 TLSe0f0GCqY

    Edit: more pics https://bmpd.livejournal.com/3345550.html
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    Post  JohninMK Sat Sep 22, 2018 4:32 am

    Out comes an old boiler

    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 DnmchvdUUAECUT8
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    Post  GarryB Sat Sep 22, 2018 3:36 pm

    Of course some old boilers never get replaced... even when they perform poorly and smell bad...

    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 15229810
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    Post  Big_Gazza Sat Sep 22, 2018 7:28 pm

    GarryB wrote:Of course some old boilers never get replaced... even when they perform poorly and smell bad...

    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 15229810

    Constant oil leaks oozing from a ruptured flange, and noxious gas emissions... needs a good de-sludging as well... nah, lets just cut it up and throw into a landfill. Laughing
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    Post  Hole Sat Sep 22, 2018 8:00 pm

    The guy behind "it" seems to be poisend with Novichok coming from the rear exit of that… thing.
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    Post  Big_Gazza Sun Sep 23, 2018 5:40 am

    Hole wrote:The guy behind "it" seems to be poisend with Novichok coming from the rear exit of that… thing.

    Her official designation is "PortonD CW Generation Unit #12"
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    Post  Labrador Tue Sep 25, 2018 1:43 am

    JohninMK wrote:Out comes an old boiler

    Aircraft Carrier Admiral Kuznetsov: News #2 - Page 4 DnmchvdUUAECUT8


    4 new on 8 others refurbished
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    Post  hoom Wed Sep 26, 2018 1:24 pm

    I saw a suggestion the new ones are auto/electronically controlled? Counter suggestion that was cancelled & its Russian made version of same model.

    Supposedly a big part of the issue K & Sovrmennys have had is complex manual control & inexperienced/low motivation operators -> electronic control would help keep stuff burning optimally.
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    Post  kumbor Tue Oct 09, 2018 6:44 pm

    hoom wrote:I saw a suggestion the new ones are auto/electronically controlled? Counter suggestion that was cancelled & its Russian made version of same model.

    Supposedly a big part of the issue K & Sovrmennys have had is complex manual control & inexperienced/low motivation operators -> electronic control would help keep stuff burning optimally.

    I think it would be the foolest thing not to put ALL 8 new boilers. Boiler KVG-3 has lifespan of some 100.000 hours and that is some 11 years of non-stop heating. Problem is that in 90s Russians did not use proper purified water - they often used simple potable water as boiler water, and these boilers are very sensitive to any impurity and residues. Also, they need very skilfull complement to operate them, especially when often changing steaming conditions. All that Russians lacked in 90s.

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