U-5TS (115 mm) - Revision history

U123137325: /* Vehicles equipped with this weapon */

2023-06-24T20:01:30Z

‎Vehicles equipped with this weapon

U44629479: Edits

2023-04-15T13:17:22Z

Edits

U44629479: Edits

2023-04-15T06:54:07Z

Edits

U9202753: Thumbnail added. Edit in Media: Image section.

2023-04-15T02:05:35Z

Thumbnail added. Edit in Media: Image section.

U38088265: /* Available ammunition */ Converted to transclusion

2023-01-29T18:03:43Z

‎Available ammunition: Converted to transclusion

U38088265: /* History */

2022-10-26T19:29:58Z

‎History

U44629479: Edits

2022-10-26T19:25:04Z

Edits

U28580205: Added a description

2022-03-23T15:01:29Z

Added a description

U44629479: Edits

2022-02-02T14:29:16Z

Edits

Show changes

U16328860: /* Available ammunition */

2022-02-02T14:04:39Z

‎Available ammunition

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 <!-- ''List out vehicles that are equipped with the weapon.'' -->
 * {{Specs-Link|ussr_t_62}}
 * {{Specs-Link|cn_t_62}}

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 The tank development project would be contested between Leonid N. Kartsev's project "Object 140" from Nizhny Tagil and Alexandr A Morozov's project "Object 430" from Kharkov. Kartsev's design would be cancelled in favor of Object 430, but continued development with a tank to use as many T-54/55 components and a larger turret culminated into the "Object 165". During this development, reports of a 100 mm T-12 smoothbore anti-tank gun showed the effectiveness of a smoothbore design. Kartsev consulted with F.F. Petrov on the feasibility of modifying the 100 mm D-54T into a smoothbore weapon. Upon finding the modification feasible without compromising the gun barrel's integrity, the 100 mm bored out into a 115 mm smoothbore gun. The weapon would be designated '''115 mm U-5TS''' under the project name "Molot" for "Hammer".<ref name="Kinnear_2021(24-25)">Kinnear et al. 2021, 24-25</ref>
-The 115 mm U-5TS would have the accolade of being the first smoothbore tank gun in production in the world, which was then followed up with the first development of an armour-piercing fin-stabilized discarding-sabot (APFSDS) round. The benefits of smoothbore over the rifled D-54T design was apparent with an increased muzzle velocity, and therefore armour penetration, using the same amount of propellent. Kartsev would install this in his Object 165 tank, which would become known as "Object 166" with the 115 mm gun installed. While the 115 mm continued to remained in testing as the Object 166 continued to be evaluated, the process was soon expedited upon the Soviet discovery of 105 mm tank guns in NATO inventory in 1961 (namely the [[L7A1 (105 mm)|L7 gun]] equipped in new [[M60|American]], [[Leopard I|German]], and [[Centurion Mk 10|British]] tanks). The commander of the Soviet Grounds Forces, Vasily Ya. Chukov, was furious upon learning about this event and insisted the 115 mm must be put into service as soon as possible. As such, on 12 August 1961 with Resolution No. 729-305, the T-62 medium tank and attached 115 mm U-5TS (GAU designation ''2A20'') was accepted into Soviet service.<ref name="Kinnear_2021(29-31)">Kinnear et al. 2021, 29-31</ref>
+The 115 mm U-5TS would have the accolade of being the first smoothbore tank gun in production in the world, which was then followed up with the first development of an armour-piercing fin-stabilized discarding-sabot (APFSDS) round. The benefits of smoothbore over the rifled D-54T design was apparent with an increased muzzle velocity, and therefore armour penetration, using the same amount of propellant. Kartsev would install this in his Object 165 tank, which would become known as "Object 166" with the 115 mm gun installed. While the 115 mm continued to remained in testing as the Object 166 continued to be evaluated, the process was soon expedited upon the Soviet discovery of 105 mm tank guns in NATO inventory in 1961 (namely the [[L7A1 (105 mm)|L7 gun]] equipped in new [[M60|American]], [[Leopard I|German]], and [[Centurion Mk 10|British]] tanks). The commander of the Soviet Grounds Forces, Vasily Ya. Chukov, was furious upon learning about this event and insisted the 115 mm must be put into service as soon as possible. As such, on 12 August 1961 with Resolution No. 729-305, the T-62 medium tank and attached 115 mm U-5TS (GAU designation ''2A20'') was accepted into Soviet service.<ref name="Kinnear_2021(29-31)">Kinnear et al. 2021, 29-31</ref>
 == Media ==
-''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''
+<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 ;Images

@@ Line 48: / Line 48: @@
 ;Images
-<gallery mode="packed-hover"  heights="x250px">
+<gallery mode="packed-hover" heights="x250px">
 File:WeaponImage 9M117.png|<small>The 9M117 ATGM fired by the U-5TS cannon (scale is approximate)</small>
 </gallery>

@@ Line 1: / Line 1: @@
 == Description ==
 <!--''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.''-->
@@ Line 43: / Line 45: @@
 == Media ==
-<!--''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''-->
+''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''
-[[File:WeaponImage 9M117.png|thumb|left|420px|The 9M117 ATGM fired by the U-5TS cannon (scale is approximate)]]
-{{Break}}
+;Images
 == See also ==

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 === Available ammunition ===
-{| class="wikitable sortable" style="text-align:center" width="100%"
+<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
-! colspan="8" | Penetration statistics
+{{:{{PAGENAME}}/Ammunition|3BK15M, 3BM4, 3OF27, 3BM3, 9M117, 3BK4, 3BM21, 3OF11, 3BM28}}
 === Comparison with analogues ===

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 == History ==
 <!--''Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''-->
-In 1952, there were considerations among the Soviet tank development bureaus to begin developing a new tank to replace the T-54 in Soviet service. This was finalized in 09 September 1952 in Resolution No.4169-1631 for the development of the "New Medium Tank".<ref name="Kinnear_2021(14)">Kinnear et al. 2021, 14</ref> The development focus lay in a new new 100 mm D-54T gun developed by F.F. Petrov. Though attempts were made to fit the D-54T tank gun into the [[T-54 (1951)|T-54]] chassis, the gun's ammunition proved too large to be easily loaded within the turret.
+In 1952, there were considerations among the Soviet tank development bureaus to begin developing a new tank to replace the T-54 in Soviet service. This was finalized in 09 September 1952 in Resolution No.4169-1631 for the development of the "New Medium Tank".<ref name="Kinnear_2021(14)">Kinnear et al. 2021, 14</ref> The development focus lay in a new 100 mm D-54T gun developed by F.F. Petrov. Though attempts were made to fit the D-54T tank gun into the [[T-54 (1951)|T-54]] chassis, the gun's ammunition proved too large to be easily loaded within the turret.
 The tank development project would be contested between Leonid N. Kartsev's project "Object 140" from Nizhny Tagil and Alexandr A Morozov's project "Object 430" from Kharkov. Kartsev's design would be cancelled in favor of Object 430, but continued development with a tank to use as many T-54/55 components and a larger turret culminated into the "Object 165". During this development, reports of a 100 mm T-12 smoothbore anti-tank gun showed the effectiveness of a smoothbore design. Kartsev consulted with F.F. Petrov on the feasibility of modifying the 100 mm D-54T into a smoothbore weapon. Upon finding the modification feasible without compromising the gun barrel's integrity, the 100 mm bored out into a 115 mm smoothbore gun. The weapon would be designated '''115 mm U-5TS''' under the project name "Molot" for "Hammer".<ref name="Kinnear_2021(24-25)">Kinnear et al. 2021, 24-25</ref>