Military Review

Diesel assorted: how the Soviet army chose a tank engine

66

Diesel UTD-20. Source: fb.ru


To replace B-2 and not only


Honored B-2 by the end of the war became the main tank engine. With minor changes, the diesel engine was installed both on medium tanks and in the forced version on heavy vehicles. In total, during the war years, at different times, six modifications of the tank engine were produced at once. For tanks of the KV series, the V-2K developed in the pre-war years was assembled, featuring an increased power of 600 liters. from. It was possible to accelerate the engine to such power by increasing the crankshaft speed, which inevitably affected the engine resource. In the first war winter of 1941, this became a real problem. In frosts, the forced V-2K with a motor resource of only 250-300 hours at night had to be started every 1,5-2 hours. Otherwise, it was impossible to maintain the combat readiness of tank units. Later, in the design bureaus, special stoves were developed, which made it possible to partially save the resource of expensive equipment.

Diesel assorted: how the Soviet army chose a tank engine
Motors based on the pre-war B-2 are still in service. Source: 4.bp.blogspot.com

For tanks of the IS series and self-propelled units ISU, since 1943, moderately forced 520-horsepower V-2IS and V-11IS-3 engines have been used. The service life of the new diesel engines reached 500 hours. These were the fruits of the work of the famous SKB-75 of the Chelyabinsk Kirov plant under the leadership of Ivan Yakovlevich Trashutin. On an experimental basis, the V-6U engine was created for the IS-12 tank, from which it was possible to collect 700 liters at once. from. This power surge is due to the crankshaft-driven turbocharger. In 1944, the B-2 design evolved into the 800-horsepower B-14 turbodiesel. However, the motor was not accepted for service.

During the war years, one of the centers of engine building was the Barnaul plant No. 77, which produced its first diesel engines in November 1942. In total, almost 8 thousand tank power plants were assembled in Barnaul during the war. But the plant workers not only assembled diesel engines, they also proposed modernization programs. So, in 1944, they assembled a whole line of V-16, V-16F and V-16NF engines with a capacity of 600, 700 and 800 hp, respectively. from. And again outside the series.

The overwhelming majority of the tanks of the T-34 series were equipped with V-2-34 diesel engines. Why in the overwhelming majority, and not 100% of the cases? The statistics were slightly changed by the plant in Krasny Sormovo, which at the beginning of the war had to release several hundred T-34 tanks with gasoline engines from the gates. The reason is trivial - the lack of diesel engines from subcontractors.

In total, in the first post-war years, a whole branch of production of the V-2 engine was formed in the country at four plants - Chelyabinsk Kirov, Stalingrad Tractor, Barnaul Transport Engineering and Ural Turbomotor. The latter was formed by the merger of the Sverdlovsk plant No. 76 and the Turbine plant. At the same time, the development of diesel engines was carried out in specialized design bureaus in Sverdlovsk, Chelyabinsk (head design bureau), Barnaul and Leningrad. In general, the further fate of the B-2 was taken care of by almost the whole country. But no one was going to get hung up on the well-deserved motor. Everyone knew about the serious potential for modernizing the diesel engine - some experiments with turbocharging could add up to 50% of the power. However, the leadership of the defense industry demanded new designs from the engineers.

Diesel paired with a tank


One of the paradoxes of the post-war tank engine building was the development of a power plant directly under the tank. There was no question of any unification. This is rather strange, since during the war years, the approach with a single V-2 engine proved to be excellent. This made it possible to quickly deploy mass production of diesel engines in a relatively short time. In the 50s and 60s, the concept changed, and the engine was actually tailored for the MTO of the next "Object X". At the same time, they did not agree on any interchangeability with "Objects" from other design bureaus.

The second paradox was the huge variety of projected power plants. If we go beyond the main topic of the article, then we can point to four trunk and competing engine lines at once. The first is a program for further modernization of the B-2. Looking ahead, we will mention that it turned out to be the most successful. The Russian army still uses the B-2 series engines in its most modern tanks. As usual, Chelyabinsk became the lead developer of this line, but Leningrad and Barnaul "helped" him in this. The second engine-building program is associated with the development of four-stroke diesel engines with large camber. We worked on a series of engines called UTD (universal tank engine) in Barnaul. The engineers had to adapt to the strict height restrictions of the armored vehicle and, within reason, reduce the profile of the power plants. As a result, the UTD engine got a camber of 120 degrees. One of such engines UTD-20 with six cylinders and 300 hp. from. even ended up in the engine-transmission department of a serial car. True, it was not a tank, but an BMP-1. Derated up to 240 liters. from. the variant under the long index 5D-20-240 has been installed in the BMD-1964 since 1. But not all developments of motor builders were so lucky. For example, let's take a diesel engine DTN-10, which was built exclusively for the heavy tank "Object 770". The diesel was 4-stroke and ten cylinders. This was the end of its tradition. The fact is that the developers from the design bureau of the Chelyabinsk Tractor Plant chose an exotic U-shaped scheme for the motor. Fundamentally, there is nothing complicated in this - the design is two in-line motors stuck together with each other. The two crankshafts were connected either by a chain or by gears. Such a non-trivial scheme was chosen for one reason - the pursuit of the minimum engine displacement. At the time of the development of the second generation tank, its dimensions were considered the most important property of the engine. Often this went beyond common sense, and reliability and resource were sacrificed for compactness. The DTN-10 from Chelyabinsk turned out to be not the smallest one and occupied 1,89 cubic meters in the tank at once.


Source: Solyankin A.G. and others. Domestic armored vehicles. XX century. Volume 3

Power reached an impressive 1000 hp. from. with a liter capacity of 31 liters. s. / l. Is it a lot or a little? For example, the traditional 12-cylinder V-shaped engine V12-6B for the T-10M tank had a liter capacity of only 19,3 liters. s. / l. However, the upstart 75TD, which is being developed in parallel at the Kharkov design bureau of plant No. 5 (it was in previous materials) set a record of 42,8 liters. s. / l. By the way, the engine in the tank occupied only 0,81 cubic meters of space. And this is even before the moment of forcing to 700 liters. with., when the engine was added speed at the request of the chief designer of the T-64 Alexander Morozov. In total, three DTN-10 engines were created in Chelyabinsk, one of which was even installed in an experimental heavy tank "Object 770". Among the novelties of the unit was not only the U-shaped scheme, which was almost never used anywhere else, but also the combined turbocharging used for the first time in the USSR. Additional air into the combustion chambers was supplied not only by the supercharger from the crankshaft, but also by the axial turbine, which receives energy from the exhaust gases. The two crankshafts were connected to each other by a gearbox with a clutch. There are no final results regarding the reliability of such a unit, since the work on the engine was closed following the closure of the "Object 770" topic. And this is far from the only example when many years of work on the engine was stopped due to the unfitness of an experienced tank.


"Object 770". Source: voentex.ru

Let's go back to the main directions of the domestic tank engine building in the post-war decades. The third program was the development of two-stroke diesel engines, the most famous of which, of course, is 5TDF and units based on it. However, it should be said that it was far from the only tank "two-stroke" in the domestic stories... Back in 1945, in Kharkov, a team of engineers led by engineer A. Kuritsa proposed a project for a 1000-horsepower diesel engine DD-1. Despite the two-stroke cycle, it was a fairly traditional 12-cylinder engine with a V-block configuration. The idea in the Kharkov design bureau of plant No. 74 was promoted until 1952, when the revised diesel DD-2 produced 800 hp at the stand. from. and worked for 700 hours. But the project was closed due to the development of a new generation tank "Object 430", which we now know as the T-64. The 5TDF diesel engine installed on it has an ambiguous reputation, heavily involved in politics. Domestic tank builders traditionally scold the Ukrainian engine and also traditionally praise V-2 diesel engines. Only now they forget that the design will soon hit 100 years old and it is already somehow inappropriate to talk about moral obsolescence. In Ukraine, especially in Kharkov, motors of the 5TDF and 6TD series are praised, pointing out the shortcomings of the Ural four-stroke diesel engines. One thing is certain: if it were not for the collapse of the Soviet Union, the innovative Kharkov diesel engines would still have been brought to the required condition. It is not for nothing that the whole country worked on finalizing the design in the early 50s.

And, finally, the fourth branch of the development of the domestic motor industry is tank gas turbine engines. They were born under the impression of American plans to build gas turbine tanks and immediately occupied considerable resources of the state. The development was carried out in Leningrad, Chelyabinsk and Omsk at the same time. And if the 5TDF engine caused criticism due to its low reliability, then the installation of gas turbine engines in the tank was disputed as a fact for a long time. Quite recently, publications of the late 80s were declassified, which clearly indicate that there was no consensus among domestic engineers regarding the advisability of a gas turbine engine in a tank. But that's a completely different story.

To be continued ...
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  1. Undecim
    Undecim 16 June 2021 18: 25
    +16
    On an experimental basis, the V-6U engine was created for the IS-12 tank, from which it was possible to collect 700 liters at once. from. This power surge is due to the crankshaft-driven turbocharger.

    The turbocharger is driven by the exhaust gas. And a drive supercharger works from the crankshaft, which was installed on the V-12U diesel engine.
    1. Martin
      Martin 16 June 2021 19: 46
      +7
      Quote: Undecim
      The turbocharger is driven by the exhaust gas.

      Yeah, I immediately ran into it too. I suppose this is a typo, but in articles that claim to be technical descriptions, such bloopers are unacceptable.

      This is also an ambiguous phrase:
      It was possible to accelerate the engine to such power by increasing the crankshaft speed.

      The impression is that they just removed the maximum speed limiter and here's the power on a silver platter.
      Power is the product of the rotational speed and the torque on the shaft. Increasing the speed without losing (at least) the moment is still a technical task. It is not at all easier than increasing the torque at the same frequency.
  2. 113262a
    113262a 16 June 2021 18: 52
    +7
    The end of the article is a masterpiece! Soviet ENGINEERS rolled a barrel onto a gas turbine engine, except perhaps from Kharkov and Chelyabinsk! Leningraders and Omsk residents were definitely FOR! As well as the personal composition of the first tank army in the GDR (GSVG), almost fully equipped with about 219r. There was and is the most problem-free tank! Head and shoulders above the Chelyabinsk consumer goods and Kharkiv imperfections.
    1. D16
      D16 16 June 2021 19: 17
      +11
      the most hassle-free tank!

      The problem was the provision of fuel to the units on these tanks. And the cost of the tanks themselves.
      1. Alf
        Alf 16 June 2021 19: 22
        +1
        Quote: D16
        the most hassle-free tank!

        The problem was the provision of fuel to the units on these tanks. And the cost of the tanks themselves.

        Hey ! The problem was not the cost of the tank itself, but its "fiery heart".
        1. D16
          D16 16 June 2021 19: 40
          +2
          Hey! Compared to the T-72, the tank was expensive and without a "heart", and even more so with a "heart".
          1. Alf
            Alf 16 June 2021 19: 56
            +2
            Quote: D16
            Hey! Compared to the T-72, the tank was expensive and without a "heart", and even more so with a "heart".

            Do you have cost data? The tank itself?
            1. Bad_gr
              Bad_gr 16 June 2021 20: 45
              +10
              Late 80s

              cost of tanks
              T-80U - 824 thousand rubles,
              T-72B - 280 thousand rubles.

              Engines
              T-80U - 104 thousand rubles,
              T-72B - 14 thousand rubles.

              when selling abroad
              T-80 ----- $ 4 million,
              T-90 ----- $ 2.7 million
              1. Alf
                Alf 16 June 2021 20: 47
                +3
                Thank you, but the question is, are these prices already free or even from the times of the USSR?
                1. Bad_gr
                  Bad_gr 16 June 2021 20: 49
                  +3
                  Quote: Alf
                  Thank you, but the question is, are these prices already free or even from the times of the USSR?
                  "At the end of the 80s"
                  1. Alf
                    Alf 16 June 2021 20: 51
                    +1
                    Quote: Bad_gr
                    Quote: Alf
                    Thank you, but the question is, are these prices already free or even from the times of the USSR?
                    "At the end of the 80s"

                    Well, this is not really an indicator. Until the 85th year, the state kept prices in the USSR, and after all the factories hit all the hard, who can cook how much ...
                2. EvilLion
                  EvilLion 17 June 2021 10: 22
                  0
                  Tanks, on the other hand, bargained like potatoes or dishes, everyone knows.
            2. D16
              D16 16 June 2021 20: 48
              +2
              There are no numbers, but due to the sophistication of the MSA and AZ, it was the T-64 with its supersonic ATGM. In terms of defense, he was the coolest.
              1. Alf
                Alf 16 June 2021 20: 49
                +1
                Quote: D16
                There are no numbers, but due to the sophistication of the MSA and AZ, it was the T-64 with its supersonic ATGM. In terms of defense, he was the coolest.

                What are you talking about ?
                1. D16
                  D16 16 June 2021 20: 50
                  +1
                  About the cost. The above figures are given.
                  1. Alf
                    Alf 16 June 2021 20: 52
                    +1
                    Quote: D16
                    About the cost. The above figures are given.

                    I just do not understand, what does the 64th have to do with it?
                    1. D16
                      D16 16 June 2021 20: 55
                      0
                      We had three main tanks. And the 64k would be closer to the 80k than to the 72nd on the plate.
                      1. Alf
                        Alf 16 June 2021 20: 57
                        +2
                        Quote: D16
                        We had three main tanks

                        Yes, I myself know that. My personal opinion is that the T-80 was the best tank in the USSR, although it was the most expensive.
                      2. D16
                        D16 16 June 2021 21: 03
                        0
                        They were all good in their own way. At least 80th and 72nd.
                      3. Alf
                        Alf 16 June 2021 21: 25
                        +2
                        Quote: D16
                        They were all good in their own way. At least 80th and 72nd.

                        And I think so. The T-80 is a fast-moving strike fist that breaks through the defenses and the simpler and cheaper T-72, which clears out the captured territory. But the place for the T-64 is not clear to me personally.
                      4. Momotomba
                        Momotomba 16 June 2021 22: 01
                        0
                        When you come across an article about the latest Soviet tanks, you always read the dispute in the comments AND WHICH TANK IS BETTER: 64, 72 OR 80? There are those who scold the GTE, someone admires it, someone praises it, and others do not fit it ... There are even those who see the difference between AZ and MZ ... Differences in the comfort of the crew? Reliability? Mobility or defense? Can you explain to a communicator who is not too far off in this area? hi
                      5. Alf
                        Alf 17 June 2021 18: 58
                        0
                        Quote: Momotomba
                        Can you explain to a communicator who is not too far off in this area?

                        What exactly to clarify something?
                      6. Momotomba
                        Momotomba 17 June 2021 19: 40
                        0
                        Quote: Alf
                        What exactly to clarify something?

                        What's so different about these tanks? The cannon is one, observation devices, aiming and communication devices are also the same, most likely ...
                      7. Alf
                        Alf 17 June 2021 19: 45
                        0
                        Quote: Momotomba
                        Quote: Alf
                        What exactly to clarify something?

                        What's so different about these tanks? The cannon is one, observation devices, aiming and communication devices are also the same, most likely ...

                        Dear Colleague! Of course, I could clarify this for you, but please understand me correctly, the volume will be, to put it mildly, great. You are a newbie here (this is not an insult or a mockery), and this topic comes up with enviable constancy almost every month, just go through the tank section. No offense !
                        P.S. The engines are different, the MSA is different, the chassis are different, and this is only what is visible.
                      8. Momotomba
                        Momotomba 17 June 2021 19: 51
                        0
                        Quote: Alf
                        Dear Colleague! Of course, I could clarify this for you, but please understand me correctly, the volume will be, to put it mildly, great. You are a newbie here (this is not an insult or a mockery), and this topic comes up with enviable constancy almost every month, just go through the tank section. No offense !

                        The fact of the matter is that the topic pops up all the time, but I can't understand why the tankers argue until they ring in their ears)) It's just that all the tanks are the same for me) I also ask you not to be offended!)
                      9. Alf
                        Alf 17 June 2021 20: 02
                        0
                        Quote: Momotomba
                        The fact of the matter is that the topic pops up all the time, but I can't understand why the tankers argue until they ring in their ears)) It's just that all the tanks are the same for me) I also ask you not to be offended!)

                        What grudges, what are we talking about ?!
                  2. 113262a
                    113262a 17 June 2021 23: 12
                    0
                    In a nutshell, the difference is like between Chinese and European phones in mid-2000 Outwardly, almost the same, but inside ... T-80 is the only tank in which, even on combat training vehicles, the transmission cover is fixed with all standard bolts. Fuel oil 72 and 64 have a maximum of two! For every halt on the march, the entire crew stood like cancer over the wretched engines.
  • 113262a
    113262a 18 June 2021 12: 14
    0
    Cobra has never been supersonic - 700 km per hour.
    1. D16
      D16 18 June 2021 18: 57
      0
      The average speed is supersonic. 400m / s.
      https://missilery.info/missile/cobra
      1. 113262a
        113262a 18 June 2021 23: 52
        +1
        Yes, when fired, the rocket leaves at a speed of 800 m s, at a distance of 900 m and further, the speed is subsonic, because the LMS wants it so! The photodissector simply won't keep track of the tracer lamp.
  • 113262a
    113262a 17 June 2021 22: 54
    0
    There were no problems with the supply of the TS-1 and RT - ordinary jet fuel! In addition, during the exercises, they worked on a summer solarium even in winter - the Tucha system works better on it. T-80 in prices of '83 cost MILLION rubles, t-64-850 thousand. What a difference in performance characteristics.
    1. D16
      D16 18 June 2021 19: 06
      0
      The problem is not with the types of fuel, but with its availability. In the face of enemy opposition, the tankers are very vulnerable, and the unit at the refueling even more so. The T-80 needs to be refueled more often.
  • dgonni
    dgonni 17 June 2021 06: 09
    +1
    In what way is it problem-free?
    In terms of training a mechanic drive? That is probably at the level of 64ki or even more abruptly. For it is possible to kill the turbine in the cold at startup at once!
    In terms of the tower, an analogue of 64ki.
    In terms of running gear?
    1. 113262a
      113262a 17 June 2021 23: 05
      +2
      To kill a turbine in the cold is it possible to cover the grates with snow?)) After pressing the start button, the mechanic drive does not participate in the launch! The cycle will end on its own! Even if the net behind the tower is clogged! The sensor will simply indicate overheating of the gases and the cycle will stop until it is eliminated. The vehicle is killed only as a result of a runaway, after taking over both levers. But this is taught in the textbook. In terms of the tower, yes, almost a copy of 64, but without the ZPU eina. And without the gunner's chic triplex.
      1. dgonni
        dgonni 18 June 2021 12: 57
        0
        Refresh your knowledge. We burned 3 MTOs in the WGV in my presence.
        1. 113262a
          113262a 18 June 2021 13: 19
          0
          He served in the GSVG in Zeithain from 83 to 85 g, 23 TP, combat training, work day in and day out. Goose, yes, I changed it twice for reasons of abrasion of pillows and destruction of RMS. In the entire division, not a single state of emergency, except in the 40th regiment, each other was shot!
  • EvilLion
    EvilLion 17 June 2021 10: 21
    0
    Only 2 times more expensive than the T-72, and with the advent of the T-90, it became unnecessary. And in general, in the world with a gas turbine engine on tanks, a failure.
  • kordon332
    kordon332 18 June 2021 07: 30
    0
    The problems of the T-80 with a gas turbine engine were the sea and the main huge fuel consumption, which is explained by the use of a gas turbine engine without a heat exchanger. This machine in desert conditions ate 3 tons of fuel for 200 km of run. In addition, there were big problems with air intake, the first cars were exploited in conditions of increased dustiness. with "steamer pipes". Therefore, this machine lost to the T-72, which became the main tank of the Russian army, upgraded to the T-90:
    1. 113262a
      113262a 18 June 2021 12: 24
      +1
      Are you delusional? The whole of Germany is a continuous desert in the sense of sand and in the summer at the landfills it reached 40 degrees, and where there are THREE tons to pour, perhaps into the trailer? Yes, and the car was tested in the Karakumhi, the crews were preparing specifically for Syria for the Pope of Assad. I took part in this myself! And self-cleaning filters with sufficient performance were immediately installed, starting with the ancient A series. Why be dishonored by illiteracy?
      1. kordon332
        kordon332 18 June 2021 15: 26
        0
        Quote: 113262
        Are you delusional? The whole of Germany is a continuous desert in the sense of sand and in the summer at the landfills it reached 40 degrees, and where there are THREE tons to pour, perhaps into the trailer? Yes, and the car was tested in the Karakumhi, the crews were preparing specifically for Syria for the Pope of Assad. I took part in this myself! And self-cleaning filters with sufficient performance were immediately installed, starting with the ancient A series. Why be dishonored by illiteracy?

        Every word breathes with complete ignorance of technology. In Germany, it can and happens 40 degrees once a year, and even then in the sun, and 200 km of run with a full refueling of all 14 tanks with 3 tons of fuel were obtained as during tests in the Karakum Desert at 40-45 degrees in the shade .And the "self-cleaning" of the T-80 not filters, but the engine compressor blades and "steam pipes" were installed on the machine not to increase the performance of the air cleaner, but to take air above the tower, as the least dusty place on the machine when driving at maximum speeds under conditions desert. With such knowledge of technology at the elementary school level, you first need to go through a technical educational program, and only then take part in discussions and start with simple topics.
        1. 113262a
          113262a 18 June 2021 23: 42
          +1
          The volume of fuel tanks: internal - 1100 liters, five external - 700 liters, two or three additional barrels - 400-600 liters. The total volume is 2200-2400 liters. And STEAM PIPES are still OPVT, my dear! With his help, your wicked servant at Shield-84 at the Magdeburg training ground, as part of a tank company, walked along the bottom of the Elbe. With them it will not work in any way to RIDE along the intersection, because their fastening is liquid, it is intended to be dumped after going ashore with the BARREL of a cannon! RRRRRaz-and no pipes! And about the chill on the landfill is the one who has never walked on the LIBEROZZ landfill on the sand of the Liberozz landfill!))) And the VIBRATION CLEANING button is the cleaning of the turbine blades, and the DUSTER BLOW is the cleaning of cyclones! Do not try to teach grandpa to love grandma!)))
          1. kordon332
            kordon332 19 June 2021 00: 15
            0
            The usual response from a commander, but not an engineer! But it is clear that the educational program has been passed, the issue has been studied.
            "self-cleaning filters, 40 degrees in Germany, fuel in a trailer, etc." But it’s not clear what Elba has to do with it?
            1. 113262a
              113262a 19 June 2021 08: 35
              0
              My friend, I have been an engineer for 30 years, and, moreover, a transport worker! And in 14-15 years I had to serve as a back-up weapon. Truth on the Kharkiv imperfections. But in Elani I had to attend a seminar and it was there that I renewed my memories. Right in my native Dauria. So all the data is from fresh memory!
            2. 113262a
              113262a 19 June 2021 08: 38
              0
              The Elbe is a river that flows through the whole of Germany. And under it, with the help of STEAM PIPES, the company passed in full force! They are there, on the back of the tower in a marching way, nominally strapped! As well as a winter tray.
          2. flanker7
            flanker7 20 June 2021 22: 48
            0
            Vladimir, you say that ".... Button-VIBRATION CLEANING is cleaning the turbine blades", this is not entirely true. This is the cleaning of the guide vane, i.e. fixed elements, on which there is a gradual build-up of deposits that violate the aerodynamic profile. Something like this...
            And nobody will forget about the sand of Liberoza!
            1. 113262a
              113262a 20 June 2021 23: 01
              0
              Pay attention to the model of the GTD 1100 TF engine! If you've ever seen him! But I was passing an exam in technique and I know for sure its structure even after so many years! So, to the periphery of the compressor and rotor blades, at the command of the time relay or forcibly from the button on the mechanical drive shield, carbide strikers are brought in and VIBRATION CLEANING takes place. Liberose is written with an E at the end!)) The same is with a vacuum blower, either an automatic machine or from a button. Depending on the position of the bag next to the ENGINE START button,
            2. 113262a
              113262a 20 June 2021 23: 33
              +1
              Not mine, but I will subscribe !. With regards to efficiency (we haven’t had a GTa-18 yet!) As part of the power plant of the tank, an auxiliary power unit GTA-18A with a capacity of 30 hp was used, built into the general system of operation of the main GTE. GTA-18A ensures the operation of various tank systems when the main engine is OFF, in parking lots or in a "standby" state. There is no such unit on diesel Russian tanks. And if we take into account that, counting on one "combat day" (50% in motion, 50% on the spot), the fuel consumption of the T-80U decreases to 60 l / h (for diesel tanks without an APU, this indicator is 100-150 l / hour), then all talk about "gluttony" somehow fades. In addition, GTD-1250 VALUES DOES NOT CONSUMP OIL, and this indicator is 16-20 times better than that of diesel engines! And the cost of oil, by the way, is 5-10 times higher than the cost of fuel. This is the question of efficiency. So think about it. If we talk about other advantages of a gas turbine engine over a diesel engine, it is worth noting the following: • ease of start-up from +40 to -40 degrees Celsius (just press the button and nothing needs to be heated). The operational readiness of the T-80U is 3 minutes, for diesel Russian tanks - up to 30 minutes, or even more (think and compare). to fight this on diesel tanks) • small volume and weight of the engine (1050 kg at 1250 hp), and therefore a gain in the mass of the tank and the volume of MTO. engine resource (2-3 times). • noise level reduction (if someone was standing in front of the T-80 coming at you, then he knows that it is practically inaudible) and the visibility of exhaust gases by 2-3 times, and therefore an increase noise and heat masking. • due to the easier handling of the tank, a decrease in fatigue and an increase in the combat readiness of the crew (I personally talked about this with the mechanics-drivers of the T-80, who were delighted with the service on these tanks). and gasoline , kerosene and their mixtures in any proportion, the possibility of converting to gaseous fuel.
  • Kote Pan Kokhanka
    Kote Pan Kokhanka 16 June 2021 19: 00
    +2
    Eugene traditional thanks - I liked it!
  • Constanty
    Constanty 16 June 2021 20: 25
    +1
    the installation of gas turbine engines in a tank has long been disputed as a fact. Quite recently, publications of the late 80s were declassified, which clearly indicate that there was no consensus among domestic engineers regarding the advisability of a gas turbine engine in a tank.


    The answer is very simple - Ustinov.
  • mz
    mz 16 June 2021 21: 08
    +1
    In the first war winter of 1941, this became a real problem. In frosts, the forced V-2K with a motor resource of only 250-300 hours at night had to be started every 1,5-2 hours.
    If we mean a resource of 250-300 Moto-hours, then this is a very good resource for a tank engine of 41-45 years. I do not think that at least one tank engine in the world at that time had such a service life in real operation.
    1. Sergey Aleksandrovich
      Sergey Aleksandrovich 16 June 2021 22: 30
      +2
      If you have noticed, here we are talking about the exhaustion of the resource due to the difficulties with starting diesel engines in the winter season. The Germans had gasoline engines and did not have such resource depletion and problems with starting. Starting diesel engines with the help of compressed air and freon in ampoules was invented, most likely, later.
      1. The comment was deleted.
      2. Alf
        Alf 17 June 2021 19: 02
        0
        Quote: Sergey Alexandrovich
        The Germans had gasoline engines and they did not have such resource depletion and problems with starting.

        The Germans had problems with launching in winter. If my memory serves me, the Panzerwaffe at Smolensk was slowed down precisely because of the exhaustion of the engine resource. Another thing is that the repair service in the German tank forces worked splendidly throughout the war and often saved.
        1. Sergey Aleksandrovich
          Sergey Aleksandrovich 18 June 2021 15: 28
          0
          Of course there were problems, but running a gasoline engine in winter is one thing, and a diesel engine is quite another.
          1. Siberian54
            Siberian54 24 June 2021 04: 13
            0
            The engine power of the same power in frosts greater than minus 15 starts up equally heavy-cold fuel in a cold engine is poorly sprayed.
            1. Sergey Aleksandrovich
              Sergey Aleksandrovich 24 June 2021 09: 51
              0
              But diesel fuel thickens in the cold, but gasoline does not.
              1. Siberian54
                Siberian54 24 June 2021 17: 18
                0
                Gasoline also begins to spray in larger drops and ignites poorly. Arctic or winter diesel fuel does not thicken ..
                1. family tree
                  family tree 25 July 2021 09: 03
                  0
                  It's not there. Compression ratio. Only a diesel engine can be rotated with air, and if from a handle, then only with a flywheel. IS-2 manual for mechanic drive. But I even doubt it, at the expense of the flywheel in the cold. So it's better to warm it up. In thirty-fours a potbelly stove was carried, a trench between the gusli and a potbelly stove under an MTO, well, and five smoked organisms.
          2. ivan2022
            ivan2022 28 August 2021 10: 38
            0
            Quote: Sergey Alexandrovich
            Of course there were problems, but running a gasoline engine in winter is one thing, and a diesel engine is quite another.

            And the third thing is to start the engine on synthetic gasoline, the viscosity of which increases noticeably in the cold.
      3. nemez
        nemez 25 June 2021 11: 21
        -1
        Are you a minder? Or just a fan of the Wehrmacht?
    2. Alexey RA
      Alexey RA 17 June 2021 16: 54
      0
      Quote: mz
      If we mean a resource of 250-300 motorcycle hours, then this is a very good resource for a tank engine of 41-45 years.

      EMNIP, the resource of 250 engine hours on the V-2 was achieved only in 1944, and at the stand.
      In 1941, the V-2 at the stand produced 100 engine hours. On the tank - less, due to problems with the design and workmanship of the air filter (dust passes through, air flow restricts), as well as due to regular non-observance of operating and maintenance instructions. It is easy to remove the fuel filter when refueling to accelerate it. Do not follow the oil change regulations (EMNIP, complete replacement with flushing every 20 hours) - too.
      Quote: mz
      I do not think that at least one tank engine in the world at that time had such a service life in real operation.

      Among the Germans, a massive loss of tank engines in terms of resource began only near Smolensk.
      1. nemez
        nemez 25 June 2021 09: 39
        -1
        Facts where? I have been studying the topic for so long, no one has provided the facts of the erroneous movement of our tank builders.
  • D16
    D16 16 June 2021 21: 13
    +2
    “One thing is certain: if it were not for the collapse of the Soviet Union, the innovative Kharkov diesel engines would still have been brought to the required condition. It’s not without reason that the whole country worked on the finalization of the design in the early 50s”.
    A very controversial statement, since the suitcase had a bunch of fatal design flaws. Such as cold start, toxic exhaust, low torque and resource compared to the alternative.
  • Usher
    Usher 16 June 2021 21: 56
    +1
    5TDF is another fruit
  • The comment was deleted.
  • Zaurbek
    Zaurbek 17 June 2021 07: 48
    +2
    I would like to compare it with some kind of MTU
  • EvilLion
    EvilLion 17 June 2021 10: 19
    0
    innovative Kharkov diesel engines would still be brought to the required condition. It is not for nothing that the whole country worked on finalizing the design in the early 50s.


    40 years was not enough for this.
  • nemez
    nemez 25 June 2021 09: 35
    0
    The author does not take into account the gluttony of two-stroke motors. And this is a considerable factor. Plus a time-tested circuit. Plus, squeeze out as much as possible from V-2. I, as a defenseman, would choose him.