사진 갤러리 의 a M110A2 하울티저8인치(203mm) M110 자발곡 곡사포는 미육군 의 인벤토리에서 가장 큰 자추진 곡사포였다. 그것은 일반 지원 대대와 별도의 군단과 육군 수준의 대대에 사단 포병에 배치되었다. 임무에는 일반 지원, 카운터 배터리 화재 및 적방공 시스템의 억제가 포함됩니다. M110은 여러 국가로 수출되었습니다. M110A2는 더블 총구 브레이크가 있는 최신 버전이며, 이전 A1 버전은 일반 총구를 가지고 있었습니다.
Tthe M110A2was the ultimate evolution of the M110 series, designed to provide long-range, heavy-fire support to NATO corps. Unlike the turreted M109, the M110A2 featured an open-mount design to accommodate its massive 8-inch (203mm) barrel. It was a weapon of extremes: it could fire a 200-pound shell over 30 kilometers with pinpoint accuracy, or deliver tactical nuclear warheads to blunt a Soviet armored thrust. By the time the A2 variant arrived in 1978, it featured a massive double-baffle muzzle brake and a longer barrel to maximize the range of the newest high-explosive projectiles.
Attribute
Technical Specification (M110A2)
역할
Self-Propelled Heavy Howitzer
승무원
5 on vehicle (up to 8 additional in support vehicle)
구경
203 mm (8 inches)
Barrel Length
M201A1 cannon (approx. L/37)
Maximum Range
22,900 m (Standard) / 30,000 m (Rocket Assisted)
Rate of Fire
1 round every 2 minutes (Sustained) / 1.5 per minute (Burst)
엔진
Detroit Diesel 8V71T Turbocharged (405 hp)
Combat Weight
28.3 tonnes
Design Engineering: Physics of the Big Gun
The Double-Baffle Muzzle Brake:To handle the violent recoil of the 8-inch shells, the A2 variant was equipped with a large muzzle brake. This diverted the gasses outward and forward, pulling the barrel “away” from the vehicle during firing to reduce the stress on the chassis.
The Rear Hydraulic Spade:Because the vehicle was relatively light compared to the size of its gun, it would literally flip over or roll backward from the recoil if not anchored. A massive hydraulic spade was lowered into the earth at the rear to transfer the energy of the shot directly into the ground.
The Loader-Rammer:Loading a 200lb shell by hand is impossible for a sustained period. The M110A2 used a hydraulic loading arm at the rear that lifted the shell from the ground or a support truck and rammed it into the breech automatically.
Open-Air Vulnerability:To keep the weight down and allow for the gun’s massive traverse and elevation, the crew worked in the open. They had zero protection from small arms fire, shrapnel, or NBC (Nuclear, Biological, Chemical) threats while firing, relying on speed and distance for survival.
Operational History: The Corps Level Asset
Nuclear Capability:During the Cold War, M110 units were a key part of NATO’s tactical nuclear deterrent, trained to fire the W33 and later the W79 nuclear shells.
Operation Desert Storm:The M110A2 saw its final major combat service during the 1991 Gulf War. British and American units used them to pulverize Iraqi fortifications, as the 8-inch shell’s explosive yield was significantly more effective than the standard 155mm for destroying deep bunkers.
The MLRS Replacement:The US Army retired the M110A2 in the 1990s, replacing its role with theM270 MLRS(Multiple Launch Rocket System), which offered even greater range and area saturation with fewer crew requirements.
Global Survivors:While retired by the US, the M110A2 remains in service with countries like Taiwan, Japan, and Turkey, where its massive “firepower per shot” is still highly valued for coastal and mountain defense.