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Feb 11 • 3 tweets • 3 min read
General Dynamics Land Systems Phamplet

M1A2 Fightability Defined 1992 ImageImageImageImage
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More from @delfoarse

M1A2 SEPv3 Abrams Profile picture
Feb 10
This thread introduces you Armor Upgrades for US M1 Abrams tanks by version.

Tank armors in modern days appear in forms of multi-layerd special armor packages. US is one of the world-leading coutries in armor casting technology.
1st Genration Armor

-Special Armor, BRL-1
Development based on UK Chobham armor.
Protection focus on ATGMs.
Applied:M1 Abrams(1981).

-Improved SAP, BRL-2
A patent handed in 1977.
KE backpack for M1 Block I
Development completed in 1979.
Applied: IPM1(1982), M1A1(1985)
2nd Generaiton Armor

-First Depleted Uranium(DU) Armor named Heavy Armor Package(HAP).

Development began in 1982

Production decision made in 1986

Applied:
M1A1 HA(1988)
M1A1 HA+(Heavy Common) (1992)
M1A1D(1999)
Read 10 tweets
M1A2 SEPv3 Abrams Profile picture
Feb 5
K2's armor compared to K1 88-Tank

Armor
-Front: 10% thicker
-Side: 85 -75% thinner

Actual Protection
-Front: 85% increased
-Side: Equivalent

Images below shows armor thickness/import time line of K1

K1's armor packages imported from 1984. Licensed production began in 90s
K1's level of protection is assumed similar to that of M1/IPM1 Abrams: KE 400+mm/CE 700+mm

The reason Why its hull side armor is so thick is because of armor appliques.
Based on This

K2 Black Panther's Turret
Front Thickness 800+mm
Protection KE 7-800/CE 1300+mm
Side Thickness>100mm
Protection 3-400+mm(ERA can be added)

With add-on armor added in later K2PL, protection effectiveness could be remarkable.
Read 4 tweets
M1A2 SEPv3 Abrams Profile picture
Feb 3
Export and local production contract deal of K2 MBT was made with Polish government. Many polish people welcomed but some of them got displeased with it. Because 7 road wheel design initially proposed by Hyundai Rotem seems to be terminated as the program goes on. Image
They assume protection and survivability of K2 is miserable and sometimes become aggressive on the topic. This kind of perspective is caused by the introduction of M1 Abrams with excellent protection and survivability proven in combat. Image
7 wheel K2 design seemed to have same level of survivability with M1 Abrams tank. I somewhat understand how they feel since I also am a fan of the design. However I have to explain you focus and concept of K2's protection suite is rather different from M1 Abrams. Image
Read 18 tweets
M1A2 SEPv3 Abrams Profile picture
Jan 29
그러고 보면 과거 러시아군을 옹호하던 이들은 베슬란 인질 구출 작전을 많이 미화하는 경향이 있었다.

어린 아이들이 인질로 잡힌 최악의 테러여서 감정적이게 되는 건 어쩔 수 없으나

대중 통제에도 실패했으며 인질이 있는 학교에 로켓탄까지 선제적으로 발포하고 전차포까지 사용하지 않았는가?
베슬란 이전의 모스크바 극장 사태도 테러범들이 인질을 100명이나 석방하던, 상대적으로 우호적인 상황에서조차 치사성 가스를 내부로 살포해 인질 300여명이 사망에 이르렀다. 대중의 감상을 자극하는 요소로 실패를 덮고 싶겠지만 작전 계획 수립과 인원들 자질에 대한 비판을 언제고 피할 수 없다
이번 우크라이나-러시아 전쟁에서도 작전 수립 미흡/발각과 상황 판단 문제로 알파, 빔펠, GRU 등 정예 여부와 부대 목적을 막론하고 많은 인원들이 대포 사료로 갈려나가고 야간전 장비도 없어서 야투경과 열영상 조준경으로 무장한 우크라이나 동원 예비군들의 사격에 노출되 전멸하기도 했다
Read 6 tweets
M1A2 SEPv3 Abrams Profile picture
Jan 26
politico.com/news/2023/01/2…
미 국방부가 우크라이나로 보낼 M1 에이브럼스 전차를 확정했다. 수출형 장갑재를 탑재한 M1A2 전차다.

몇몇 분들은 감소 우라늄 장갑재나 M1A2 SEPv3의 최신 장갑재NewEvolutionaryArmor가 아니라 실망할 수 있다만. 되려 예상했던 M1A1보다 더 나은 상황이다
M1A1과 M1A2의 가장 큰 차이는 전차장 조준경 유무다.

차장 독립 열상 조준경(CITV)라 불리는 이 탐지 장비는 전차장이 개별적으로 색적을 하고 목표를 지정해 포수에게 알려줄 수 있다. Image
반면 M1A1의 경우 차장이 전차 해치를 닫은 채 색적을 하기 위해선 포수와 조준경을 공유하는 수 밖에 없다(Gunner's Primary Sight Extention).

때문에 M1A1 대비 방어 시 소폭 우세

공세 작전 시 압도적 우세를 점한다.

M1A1은 사진의 붉은 원 친 조준경을 통해 GPSE 기능을 사용한다. Image
Read 7 tweets
M1A2 SEPv3 Abrams Profile picture
Jan 26
politico.com/news/2023/01/2…

US DOD confirms Specific version of M1 Abrams being headed to Ukraine: M1A2 with Export Armor Package.

Some may be disappointed because of absence of Depleted Uranium armor or New Evolutionary Armor used in M1A2 SEPv3. But still this is a very positive.
Compared to M1A1, M1A2 has commander's periscope called Commander's Independant Thermal Viewer(CITV).

This seems to be a small change but it's not.

This sight allows Tank Commander independantly search and designate target to gunner. Image
In M1A1, TC only shares gunner's primary sight(Gunner's Primary Sight Extention) inside with hatch closed.

So with CITV, the tank can detect and shoot faster before enemy finds it.
Read 7 tweets

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