C-17 环球大师 | |
|---|---|
| 国家 | 美国 |
| 类型 | 大型军用运输机 |
| 产生 | 1991–2015 |
| 建立 | 279 |
这 波音C-17环球大师III 是一架大型军用运输机。它是由麦克唐纳·道格拉斯从20世纪80年代到90年代初为美国空军（USAF）开发的：该公司后来与波音公司合并。C-17用于将部队和货物快速战略空运到世界各地的主要作战基地或前沿作战基地。它还可以执行战术空运、医疗后送和空投任务。C-17带有两个前，但无关活塞发动机，美国军用货机，道格拉斯C-74环球大师和道格拉斯C-124环球大师II的名字。虽然不再被美国空军购买，但C-17正在为出口客户制造。
| C-17 环球大师 | |
|---|---|
| 摄影师 | 未知 |
| 本地化 | 未知 |
| 照片 | 60 |
| 波音C-17美国空军四处走动 | |
|---|---|
| 摄影师 | 塞斯·亨德里克斯，梅因特·德·弗里兹 |
| 本地化 | 未知 |
| 照片 | 143 |
| Boeing C-17A Globemaster III Walk Around | |
|---|---|
| 摄影师 | Burhand Donke |
| 本地化 | 未知 |
| 照片 | 130 |
另请参阅：
The “Anywhere, Anytime” Heavy Lifter
这 C-17 Globemaster III is the premier strategic transport aircraft of the 21st century. Developed by McDonnell Douglas (now Boeing), it was designed to bridge the gap between the massive C-5 Galaxy and the rugged C-130 Hercules. It can carry a massive payload—including an M1 Abrams tank—directly from the United States to a dirt landing strip in a remote combat zone. This unique “strategic-to-tactical” capability has made it the primary tool for rapid troop deployment, humanitarian aid, and aeromedical evacuation worldwide.
| Attribute | Technical Specification (C-17A) |
|---|---|
| 作用 | Strategic / Tactical Military Transport |
| 船员 | 3 (Pilot, Co-pilot, Loadmaster) |
| 发动机 | 4 × Pratt & Whitney F117-PW-100 turbofans (40,440 lbf each) |
| Max Payload | 77,519 kg (170,900 lbs) |
| Cruise Speed | Mach 0.74 (830 km/h / 450 knots) |
| 范围 | 4,482 km (2,420 nmi) with max payload |
| Landing Distance | 914 meters (3,000 feet) with max load |
| 翼展 | 51.76 meters (169 feet 10 inches) |
Design Engineering: Blown Flaps & Thrust Reversers
- Externally Blown Flaps: To land a 265-ton aircraft on a short runway, the C-17 uses “blown flaps.” Engine exhaust is directed over and through the huge double-slotted flaps, creating massive amounts of extra lift even at slow speeds.
- Upward-Directed Thrust Reversers: The C-17 can back itself up an incline using its thrust reversers. Crucially, the air is directed upward and forward, preventing the engines from sucking up dust and rocks (FOD) while operating on unimproved dirt airfields.
- Tactical Descent: The C-17 is famous for its ability to perform “tactical descents” at rates of up to 15,000 feet per minute. By using its thrust reversers in flight as speed brakes, it can drop out of the sky quickly to avoid surface-to-air missiles.
- The T-Tail Design: The high-mounted T-tail keeps the horizontal stabilizers out of the turbulent air created by the wing and engines during high-lift maneuvers, ensuring the pilot maintains precise control during heavy-load landings.
Operational History: A Global Lifeline
- Kabul Airlift (Operation Allies Refuge): In 2021, the C-17 became the face of the evacuation from Afghanistan. One C-17 (Reach 871) famously carried 823 passengers in a single flight, far exceeding its “official” capacity to save lives.
- Humanitarian Giant: From the 2010 Haiti earthquake to the COVID-19 pandemic response, the C-17 is often the first aircraft to arrive with mobile hospitals, food, and water due to its ability to land where other big jets can’t.
- The “Moose”: US Air Force crews affectionately call the plane the “Moose,” supposedly because of the distinct groaning sound the relief valves make when the aircraft is being refueled on the ground.
- International Fleet: Beyond the US, the C-17 is the heavy-lift backbone for the UK (RAF), Australia, Canada, India, and the UAE, as well as the NATO Strategic Airlift Capability in Hungary.
意见：3602
