道格拉斯DC-6 | |
|---|---|
| 国家 | 美国 |
| 作用 | 客机/运输机 |
| 首次飞行 | 1946年2月15日 |
| 建立 | 704 |
道格拉斯DC-6是由道格拉斯飞机公司于1946年至1958年制造的活塞动力客机和货机。道格拉斯最初打算在第二次世界大战结束时作为军用运输工具，战后对其进行了重新设计，以在远程商业运输市场上与洛克希德星座竞争。道格拉斯建造了700多架，其中许多仍然担任货运，军事和野火控制角色。
源： 维基上的道格拉斯DC-6
| Douglas VC-118 Independence Walk Around | |
|---|---|
| 摄影师 | 弗拉基米尔·亚库博夫 |
| 本地化 | 美国空军国家博物馆，俄亥俄州代顿 |
| 照片 | 160 |
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The Evolution of a Legend
这 道格拉斯DC-6 was originally designed during World War II as the XC-112, a military transport aimed at improving upon the DC-4 (C-54). When the war ended, Douglas re-engineered it into a long-range civilian airliner to compete with the Lockheed Constellation. Its greatest advantage was a fully pressurized cabin, allowing it to fly above the weather for greater passenger comfort. The DC-6 became the backbone of the great post-war airline expansion, famously used by Pan Am, United, and American Airlines for transcontinental and transoceanic flights.
| Attribute | Standard Specification (Douglas DC-6B) |
|---|---|
| 作用 | Long-range Airliner / Military Transport (C-118) |
| 船员 | 3 or 4 (Pilot, Co-pilot, Flight Engineer, Navigator) |
| 能力 | 54 to 102 passengers (depending on configuration) |
| 动力装置 | 4 x Pratt & Whitney R-2800 Double Wasp radials |
| Horsepower | 2,400 hp to 2,500 hp per engine |
| Cruising Speed | 507 km/h (315 mph / 274 knots) |
| Maximum Range | approx. 7,600 km (4,100 nmi) |
| Service Ceiling | 7,600 meters (25,000 ft) |
Technological Advancements
- The R-2800 “Double Wasp”: The DC-6 utilized the 18-cylinder R-2800 engine, widely considered one of the finest radial engines ever built. It was the same engine that powered legendary warbirds like the P-47 Thunderbolt and F4U Corsair.
- Reversible Pitch Propellers: The DC-6 was one of the first airliners to feature “reverse thrust” by changing the pitch of its propellers. This allowed the aircraft to land on shorter, wet runways and even back up on the ground under its own power.
- Environmental Control: Sophisticated cabin pressurization and air conditioning systems meant that for the first time, “flying through a storm” could be avoided by simply flying over it at 20,000 feet.
- DC-6A & B Variants: 这 DC-6A “Liftmaster” was a dedicated freighter with large cargo doors, while the DC-6B was the ultimate passenger version, elongated and refined for maximum efficiency.
Military and Presidential Service
- The C-118 Liftmaster: The US Air Force and Navy operated large fleets of DC-6s for logistics and medical evacuations. It proved to be an incredibly reliable workhorse through the Korean War and the early Cold War.
- Independence: A specialized VC-118, named The Independence, served as the presidential aircraft for Harry S. Truman. It featured a distinctive eagle-themed paint job.
- Air Force One: While the “Air Force One” callsign was officially established later, the DC-6 was a primary transport for several US presidents and high-ranking diplomats.
Historical Impact & Modern Day
- The Jet Age Transition: The DC-6 was so efficient and reliable that it continued to serve many airlines well into the 1960s, long after the first jets like the Boeing 707 arrived.
- Firefighters and Freighters: Today, the DC-6 enjoys a legendary second career. Its high payload and low-speed stability make it an excellent aerial firefighter (water bomber) and a rugged cargo hauler for remote areas like Alaska.
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