M247 상사 요크 | |
|---|---|
| 국가 | 미국 |
| 역할 | 40mm 자추진 대공 총 |
| 설계 | 1977–1985 |
| 내장 | 50 |
M247 상사 요크의 사진 갤러리, M247 상사 요크 M48A5 패튼 중형 전차 섀시 기준. 750마력을 개발하는 콘티넨탈 AVDS-1790-2D 디젤 엔진으로 구동됩니다. M247에는 완전히 안정화된 트윈 40mm 보포대공 총이 장착되어 있습니다. 이 총은 화재의 속도를 향상했다. 차량은 이동 중에도 정확하게 발사할 수 있습니다. M247은 HE와 HE-FRAG를 공중 표적과 AP탄을 발사하여 장갑차에 대항합니다. 총 580라운드가 진행됩니다. 재장전하는 데 15분이 걸리지 않습니다.
소스: M247 온 위키백과
| M247 Sergeant York | |
|---|---|
| 사진 작가 | Unknow |
| 로컬라이제이션 | Unknow |
| 사진 | 93 |
| M247 Sergeant York Walk Around | |
|---|---|
| 사진 작가 | Cal Cochran |
| 로컬라이제이션 | Unknow |
| 사진 | 47 |
참고 항목:
The Shield that Never Stood
Tthe M247 상사 요크 is one of the most famous “what-if” failures in US military history. Designed in the late 1970s to protect mechanized divisions from Soviet attack helicopters and jets, it combined an M48 Patton tank chassis with twin 40mm Bofors cannons and a radar system derived from the F-16 fighter. While it looked formidable, the project was plagued by technical glitches, massive cost overruns, and embarrassing performance during live-fire trials. It was ultimately canceled in 1985 by Secretary of Defense Caspar Weinberger after only 50 units were produced.
| Attribute | Technical Specification (M247) |
|---|---|
| 역할 | Self-Propelled Anti-Aircraft Gun (SPAAG) |
| 승무원 | 3 (사령관, 포수, 드라이버) |
| 주무장 | 2 × 40 mm Bofors L/70 autocannons |
| 섀시 | Modified M48A5 Patton tank hull |
| Radar System | Westinghouse AN/APG-66 (Pulse-Doppler) |
| Rate of Fire | 600 rounds per minute (combined) |
| 엔진 | Continental AVDS-1790-2D V12 diesel (750 hp) |
| 상태 | Project canceled in 1985 |
Design Engineering: Frankenstein’s Turret
- The F-16 Radar Graft: To save money, Ford Aerospace used the AN/APG-66 radar from the F-16. However, a radar designed for the sky struggled to differentiate between low-flying helicopters and ground clutter (trees, hills, and even latrine fans).
- Proximity Fuzed Ammo: The Sergeant York was intended to use advanced 40mm shells that didn’t need a direct hit; they would explode near a target to shred it with shrapnel. This made the 40mm Bofors far more lethal against agile helicopters than traditional “hit-to-kill” rounds.
- Chassis Mismatch: Using the aging M48 Patton chassis was a double-edged sword. It was readily available, but it was much slower than the M1 Abrams and M2 Bradley it was supposed to protect, meaning the anti-aircraft shield would have been left behind in a fast-moving armored dash.
- Turret Weight: The massive armored turret was so heavy that it strained the M48’s hydraulic traverse systems, leading to slow response times when trying to track high-speed jets.
A History of Trials and Errors
- The “Latrine” Incident: During a high-profile demonstration for officials, the M247’s radar reportedly locked onto a spinning exhaust fan on a nearby latrine instead of the target drone, highlighting its inability to filter out ground interference.
- Target Tracking Failures: In live-fire tests, the system struggled to hit targets that were moving even slightly, and in one infamous test, it reportedly aimed its guns at the reviewing stand where the brass was sitting.
- The Legacy of Failure: The M247’s cancellation left the US Army without a heavy gun-based air defense system for decades. This gap was eventually filled by the M6 Linebacker (a Bradley with Stinger missiles) and later the M-SHORAD Stryker.
- Museum Pieces: Almost all M247s were used as targets on firing ranges. Only a few survive today in museums, such as the Sgt. York at the Sargeant York State Historic Park in Tennessee.
Views : 4826
