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?{{TankData|Tank=SU-101+#REDIRECT[[Tank:R58_SU-101]]
?|This tank plays in much the same way as the [[Tank:SU100M1|SU-100M1]], and has similar strengths and weaknesses.+
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?|Gallery=+
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?|InTheGame_pros= +
?* Excellent speed and mobility; all around best of the Tier VIII TD's+
?* Excellent camouflage; third highest stationary value in tier+
?* Excellent penetration and alpha damage for top gun+
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?|InTheGame_cons=+
?* Horrible gun depression on all guns (-2.3 degrees); potentially worst vehicle in game in this aspect outside of artillery+
?* Poor traverse arc; forces constant movement of the vehicle to acquire targets, resetting aiming circle and negating the stationary camo value, as well as camo net usage+
?* Lowest Hit Points of all Tier VIII TD's+
?* Limited ammo supply (36 rounds) and expensive ammunition per credit/damage done ratio; can easily lose money in a battle.+
?* Rather low odds of survival, the SU-101 is typically destroyed easily due to low hit points and its rather mediocre armor+
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?|InTheGame_performance=+
?With horrible gun depression (possibly the worst in game outside of artillery), awful traverse arc, and low penetration on it's guns, the SU-101 can be a difficult tank to play well, especially in a more traditional tank destroyer role. The lack of gun depression and poor arc, will force constant movement on the part of the tanker to get shots, and many maps force you to constantly expose yourself to get shots, and the poor gun depression and low to the ground design of the Su-101 limit the positions this tank can take to be effective.+
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?Moving around naturally negates your stationary camo value and the poor gun arc makes camo nets practically pointless, so you will get spotted more frequently than other tank destroyers. You will also have to expose your whole vehicle in order to shoot many times, negating the small size of the vehicle and the somewhat strong casemate armour.+
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?The SU-101 can also be expensive to use, with very expensive ammunition and (for a TD) relatively high repair cost, it can be difficult to make a profit on a loss. It is easily possible to lose money on a win if a number of shots miss, fail to penetrate(which will happen quite often in tier 9 and 10 games), or if HEAT is used and the vehicle gets damaged.+
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?The armor of the SU-101 may seem impressive when you first get the tank, but that is somewhat misleading in actuality. At long range, the armor will get some bounces and the gun mantlet might absorb a few shells. But faced with high penetration guns on heavy tanks, some mediums, and most TD's the shells will go right through without a problem, even your gun mantlet will be penetrated with ease.+
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?With the negative information out of the way, let's talk about how to use the vehicles strengths and use them well. First, the SU-101 is the all around most mobile of the Tier VIII TD's. It has the top speed, reverse speed, acceleration, and track traverse to match many Medium's in the game. It also has a blazing rate of fire to go along with that speed, and has a higher DpM than most of the other TD's.+
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?With the above in mind, this tank works great in flanking maneuvers where it's speed and mobility work well and it's relative lack of penetration becomes greatly negated. The SU-101 makes for a great Medium tank that lacks a turret, and while limited in peek-a-boom ability, it can still be highly effective in exploiting the sides and rear of distracted enemies. As such, the vehicle is often best suited to playing a more wolf-pack or close support role, and is especially benefited in a platoon, were one or more platoon mates can take the heat off of you and allow you more time to get into more advantageous positions.+
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?=='''Player Opinions'''==+
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?The tank in general is probably the worst of the tier 8 tank destroyers in wot, or at the very least among the worst Tier 8 tank destroyers. When you get this tank, you must have enough free experience to unlock the D-54S for the Su-101 to play at least decently. The mobility is indeed very good on the Su-101 and does allow for quick relocation, this is potentially the only really advantage that the SU-101 has over its competition and doesn't make up for the tanks flaws. The armor is said to be decent with its 120mm thickness and the steep angles of the armor. However, this largely is negated by the fact that it can't be angled due to the su-101's awful gun traverse thus making it impossible to make good use of it(compared to say the T-54, which can angle the armor and bounce an impressive number of shots).+
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?the battlefield role of the Su-101 is rather strange(for a TD), it is used mainly as a flanking TD. Some players suggest using it as a sniper, but unfortunately its combination of poor gun traverse/depression, inability to properly utilizing cover/terrain, and weak penetration make this tactic largely ineffective(due to loss of penetration over distance and inability to penetrate frontal armor of most tier 8 heavy tanks, almost impossible to penetrate Tier 10's even from the side). Due to the mediocre(at best) armor of the Su-101 and the low alpha, playing an assault TD is not an option. the Su-101 plays more like a flanking medium than an actual TD, but it isn't particularly good at it(but its really the only tactic that works with the Su-101 to give it some influence on the battle) due to the lack of turret and poor gun traverse. Ironically enough, the Su-101 also easily fall prey to flanking maneuvers from light or medium tanks, its poor gun traverse counters the track traverse somewhat and the low alpha make it difficult to kill mediums/lights quickly before they kill you or deal heavy damage in return.+
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?One of the tanks strengths, being its small size and low overall profile, actually works as a double edged sword. With suck a low profile, it makes it difficult to find hull down positions to utilize the casemate armor or to even utilize cover properly because your tank is so low, you can't see over a decent amount of terrain(EG himmelsdorf this is particularly noticeable).+
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?Generally the Su-101 can't be relied upon in battle and has little if any influence on the outcome of the battle. Its largely only effective in tier 8 battles, tier 9 and 10 this tank seriously struggles and will frequently pull less than 2,000 damage a game. Survival is also quite low due to the flanking nature of the tank and it can be quite frequent to see su-101's among the first tanks killed in the early game. Survival to mid game is unlikely as well. The Su-101 is basically just a grind bridge to the Su-122-54, which is a relief when finally unlocked for most players going through this grind tank.+
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?=='''Crew Skills'''==+
?Sixth Sense and Camouflage are essentials for this tank. Due to the low durability and alpha damage this tank relies on its camouflage and rate of fire. A good camouflage crew, and a commander with Sixth Sense could potentially save your life several times in one battle. The skills or perks beyond this are not as essential and can be chosen on player opinion of performance.+
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?|InTheGame_research=+
?* Nothing carries over from the SU-100M1, but several carry over from the T-44 if you've already researched it.+
?* You need to unlock the 100mm D-54S gun right away, the 175mm penetration on the other guns is inadequate for a Tier 8 tank destroyer.+
?* Next, research the V-2-54 Engine.+
?* Next, research the V-54-6 Engine.+
?* Now, research the SU-101M Suspension.+
?* research the R113 Radio, but you my have this unlocked from the IS line or T-54 line.+
?* Only research the 122mm if you wish to elite the Su-101, otherwise its not necessary to unlock.+
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?|InTheGame_equipment=Vents, Tank Gun Rammer, Gun laying drive, Toolbox+
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?|History=+
?The SU 101 and SU102 were experimental Soviet propelled artillery units developed during World War II. They were created in the Uralmash design office in the period from autumn 1944 until spring 1945. and were based on the chassis of medium tanks T-44 and T-34-85. Primary objective was to develop a vehicle that will eventually replace Su-100 in the soviet army. Two versions that were developed differed only in the main weapon: the SU-101, with 100-mm D-10 tank gun and SU-102, with 122-mm D-25-44S gun. In April and May 1945, one or two prototype SU-101 and one prototype SU-102 were constructed. During the summer and autumn of 1945, both versions successfully passed factory tests and army trials. Despite the prospects and high performance for its time, with the end of the war, it was decided to terminate further development. Experience gathered during development of the SU-101 and SU-102 has been used in studies of post-war projects.+
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?==Development History==+
?[[image:Su-101_during_trials.jpg|thumb|200px|left|Su-101 during trials]]+
?In the fall of 1944 UZTM (Ural Heavy Machinery Plant) began the production of a new medium SAU (self-propelled artillery unit) the SU-100, armed with the powerful 100mm D-10 gun. The machine possessed good maneuverability for its class, and with 75 mm of sloped armour had very good protection for its weight. In comparison, much heavier assault gun SU-152 was also protected by 75 mm of frontal armor.+
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?Nevertheless, Soviet self-propelled guns had a number of essential deficiencies, characteristic of any self-propelled gun with a forward fighting compartment arrangement. The adoption of ever longer barreled guns increased the overall dimension of the SPG lengthwise. The result of mounting a long overhanging gun low in the hull (to reduce its silhouette) was hampered maneuvering in narrow passages and limited mobility over undulating ground (the muzzle being driven into the ground) and wooded country. Furthermore, the center of gravity in such SAU was displaced forward, leading to an overloading of the forward road wheels, often leading to a breakdown of the chassis. In transit, it was also found to be impossible to satisfactory fasten the gun out of battery for travel. At the same time, further increases in the armor protection of German tanks and assault guns required an adequate increase in the combat capabilities of Soviet tanks and SPGs, which entailed the adoption of ever longer barreled guns of greater power. To design such a tank destroyer, based on the chassis of the T-34 tank became practically impossible. A new chassis with a more rational arrangement of major units and subassemblies was necessary.+
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?UZTM's solution of this problem began in the summer of 1944, done in parallel with the creation of the Su-100. Before the end of the year designer N.V.Kurin had developed a number of preliminary designs of new SPG using the chassis of all Soviet tanks existing at that time, both with a change in layout and without. In October 1944 plant presented to the technical review board of the NKTP (Commissariat of Heavy Industry) for examination five projects:+
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?- SU-122P: armed with the 122 mm D-25S gun, at that time with a prototype prepared and having successfully passed manufacturing tests.+
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?- ESU-100, armed with the 100 mm D-10S gun, with a rear fighting compartment and electro-transmission.+
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?- SU-M, armed with the 100 mm D-10S gun, based on the chassis of the T-34 tank, with a rear fighting compartment and with the engine moved to the front.+
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?- SU-M, armed with the 100 mm D-10S gun, on the chassis of the T-44 tank, with a rear fighting compartment.+
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?- SU-44, armed with the 122 mm D-25-44S gun, with the use of subassemblies and chassis of the T-44 tank, and a forward fighting compartment.+
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?The technical review board recognized the Su-m and Su-44 as the best of the projects; and by order of directiveNo.625 to the tank industry, dated October 26, 1944 to the plant of UZTM, it was proposed to finalize the design, to distribute drawings and prepare prototypes of the SU-M and SU-44.+
?[[image:SU-101_drawings.jpg|thumb|300px|right|Su-101 layout]]+
?In December 1944, during the course of further development work on the Su-44 it was found that the weight and overall size of the machine was too great, basically because of the five-meter barrel of the D-25S gun. At the same time the SU-M with the rear fighting compartment was found to be compact, its length shortened and its weight consistent with the chassis of tanks in the medium class, while armor was considerably strengthened. Based on these results, the solution accepted was to continue work only on the SU-M, and all work on the Su-44 was terminated by NKTP order No.107, dated March 7, 1945. By the same order the design obtained the designation “Uralmash-1” (Ural Heavy Machinery Plant im. Sergo Ordzhonikidze) and was assigned a date for the production of the first prototype, May 1 1945.+
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?It is here interesting to note that the project of SAU “Uralmash-1” (Ural Heavy Machinery Plant im. Sergo Ordzhonikidze) was developed by the design bureau of the plant of UZTM (Ural Heavy Machinery Plant) under the management Of l.Gorlitskogo still in August 1943, but it was not approved BY NKTP and was “frozen”. In the development of design documentation, the following designers were enlisted: .M.Lekhttsind, I.I.Emmanuilov, A.G.Gayvoro nskiy, G.F.Ksyunin, I.F.Vakhrushev, L.A.Pinus, E.A.Karlinskiy, E.I.Linkova, D.A.Geriev, V.L.Likhomanov, N.N.Efimov, A.D.Nekhlyudov and others. The general leadership was given to the chief designer L.I.Gorlitskiy. The production of two prototypes was conducted during March-April. The first being marked as Su-101, armed with 100 mm D10s gun, and the second, marked as Su-102 with a 122-mm gun D -25s gun. +
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?'''Design features'''+
?[[image:SU_101_machinegun.jpg|thumb|200px|left|Su-101 12.7 DSHK machinegun]]+
?The housing SAU was welded from the rolled armor sheets, by which were given the rational slope angles. The thickness of the frontal sheet of housing was equal to 90 mm with the angle of the slope of 27 degrees, the thickness of the frontal sheet of felling - 122 mm with the angle of the slope of 35 degrees. Onboard sheets had a thickness of 75 mm, stern sheet - 40 mm. In this case the stern sheet of housing and felling was carried out by general. Rectangular entrance port, which was being shut by armor doors, was placed on the right side. Round hatchway with the revolver housing mounted the panoramic viewfinder for the commander. +
?Gun D -10s was established in the frontal sheet of housing in the cast armor mask. Its stem spoke in favor of the overall sizes of the housing only on 630 mm. Angle of elevation was 18 degrees, depression was – 2 degrees, and the angle of horizontal guidance was set at 22,5 degrees. The height to bore of gun - is 1760 mm. Ammo rack had a total of 35 rounds. Sighting telescope TSH-19 was installed in addition to one separate panoramic periscope. For anti-infantry and anti-aircraft protection, a standard 12,7 DSHK machinegun with a total of 450 round was installed. +
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?Engine V-2-44 was located along the axis of machine in the forward section of the housing to the right. Driver was placed on the left side of the engine. The aggregates of power transfer were borrowed from the tank T -34 with some modifications to handle the new chassis. The suspension was completely borrowed from the T-44. With the overall mass of only 34,1 tons the vehicle was able to reach the maximum speed of impressive 54 km/h. Crew consisted of four. For the external communication Su-101 used standard 9- RS radio device, while internal comm. Was handled by TPU-3bisF device, by light signaling and tankofonom for the two-way communication of commander with the driver.+
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?'''Su-102'''+
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?Su-102 from Su-101 differed only by it only by its main gun, 122-mm gun D -25s. Angle of elevation was equal - 18,5 degrees, depression was at less than half degrees virtually non existing (0 degrees and 24 minutes to be precise), the horizontal traverse was 19 degrees. It is remarkable, that with the apparent small dimensions of the fighting compartment ammo rack composed of 28 shots. Very impressive number considering that 122 mm ammo was in two pieces, propellant separated from the round itself. Total weight of the vehicle grew insignificantly to 34,8 tons.+
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?'''First trials'''+
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?During the autumn of 1945 several issues were noticed, and needed to be fixed prior to finalizing the construction. It was necessary to modify a number of mechanisms and devices, in particular the aggregates of ventilation and engine cooling and the internal crew fighting positions. As a result the intensive work of designers and techinicians was implemented to fix the problems prior to the the start of the field tests.+
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?Self-propelled units “Uralmash (Ural Heavy Machinery Plant im. Sergo Ordzhonikidze) -1” had a number of advantages in comparison with previously created domestic SAU. New layout made it possible to make a machine of of more compact, increased the possibility of maneuver in the limited passages and in the broken ground. Crew now could if necessary leave the machine through the stern hatchway under the cover of housing. Powerful armoring also became the result of denser layout. The general estimation of the construction of housing after the range tests by firing was very high: the housing of SAU “Uralmash (Ural Heavy Machinery Plant im. Sergo Ordzhonikidze) -1” proved to be on a higher level than the housing of all other mass produced tanks and SPGs, including IS -2 and ISU-152. Load distribution was also much better and it noticeably decreased wear of the materials. The arrangement of the fighting compartment on the back left an option of mounting even longer barreled guns in the future.+
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?[[image:SU-101_Side_view.jpg|thumb|200px|left|SU-101 Surviving prototype in Kubinka museum]]'''Cramped crew space and overheating remained an issue'''+
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?No matter how hard they tried, the engineers could not fix all of the problems. It was impossible to improve crew conditions in the very cramped crew space. Cooling was improved, but still condition for the driver were very harsh, and during hot weather almost unbearable. Also, the roof of the vehicle showed signs of shockwaves from the powerful guns, especially in Su-102 prototype. +
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?'''Successful trials and cancellation'''+
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?Both SAU successfully underwent all tests and according to their results they were recommended for the adoption in the Red army. Despite the prospects and high performance for its time, with the end of the war, it was decided to terminate further development. One of the survived prototypes Su-101 is on permanent display in the Moscow Kubinka armor museum.+
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?|HistoricalGallery=+
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?image:SU_101_machinegun.jpg{{!}}SU-101 Anti infantry machinegun closeup+
?image:SU-101_drawings.jpg{{!}}SU-101 drawings+
?image:Su-101_during_trials.jpg{{!}}Su-101 during trials+
?image:SU-101_gun_rest.jpg{{!}}SU-101 gun rest+
?image:Su-101_In_Kubinka_musem._Front_view.jpg{{!}}Su-101 In Kubinka musem. Front view+
?image:Su-101_mantlet.jpg{{!}}Su-101 Mantlet closeup+
?image:SU-101_Side_view_closeup.jpg{{!}}SU-101 Side view closeup+
?image:SU-101_Side_view.jpg{{!}}SU-101 Side view+
?image:SU-101Drivers_hatch.jpg{{!}}SU-101 Drivers hatch closeup+
?image:SU-101external_fuel_tanks.jpg{{!}}SU-101 External fuel tanks+
?image:SU-101external_tool_box.jpg{{!}}SU-101 External tool box+
?image:Uralmash-1_in_Kubinka.jpg{{!}}SU-101 Also known as Uralmash-1 in Kubinka museum+
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?|Ref_references=+
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?|Ref_sources=+
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?|Ref_links=+
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?* [https://english.battlefield.ru/su-100-dp1.html '''SU-100 Tank Destroyer'''] at battlefield.ru.+
?* [https://english.battlefield.ru/su-101-and-su-102.html '''SU-101 Tank Destroyer'''] at battlefield.ru.+
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?|Sidebar_Camostop=20.6+
?|Sidebar_Camomove=12.3+
?|Sidebar_Camofire=5.1+
?|Sidebar_Passhard=0.959+
?|Sidebar_Passmed=1.151+
?|Sidebar_Passsoft=1.918+
?|Sidebar_DispTurret=0.077+
?|Sidebar_DispRecoil=2.877+
?|Sidebar_DispAccel=0.182+
?|Sidebar_DispTurning=0.182+
?}}+

Latest revision as of 10:21, 23 August 2016