UH-19D Chickasaw – 照片和视频

UH-19D Chickasaw
摄影师	未知
本地化	未知
照片	23

Sikorsky S-55B
摄影师	弗拉基米尔·亚库博夫
本地化	爱德华兹空军基地航空展
照片	103

给我买杯咖啡

Sikorsky H-19 Chickasaw Walk Around
摄影师	Michael Benolkin
本地化	未知
照片	18

Westland Whirlwind HAR 10 Walk Around
摄影师	Unknow
本地化	未知
照片	26

另请参阅：

Sikorsky HRS1 Walk Around
摄影师	Unknow
本地化	未知
照片	24

这 西科斯基 H-19 奇卡索 (later designated UH-19 in the U.S. Army and HO4S or **H-34** variants in other services) was a widely used utility helicopter developed by Sikorsky Aircraft Corporation. While the UH-19D designation specifically refers to a late model used by the U.S. Army, the aircraft is fundamentally the same successful S-55 design. It was a pioneering aircraft, being the **first purpose-built transport helicopter** for the U.S. military.

Development and Purpose

• 起源： The Sikorsky S-55 first flew in 1949 and was a major advancement over earlier helicopter designs. It solved the complex engineering problem of separating the engine from the main cabin to allow for a large, usable cargo space.
• Engine Placement: Its most distinctive feature was the **engine mounted in the nose** of the fuselage, allowing the entire fuselage cabin to be used for cargo or passengers. A long drive shaft ran up and back to the main rotor.
• 角色： The H-19 was primarily designed for **transport, utility, and anti-submarine warfare (ASW)** roles. It was instrumental in demonstrating the helicopter’s viability as a tactical transport during the Korean War.
• UH-19D: This specific designation was a later U.S. Army version of the S-55 that featured an upgraded engine (the more powerful R-1340-40) and other minor improvements over earlier models (H-19A, B, C).

Key Features and Specifications (Typical S-55/UH-19)

• Rotor System: Single main rotor and a tail rotor. The main rotor was often a three-bladed articulated system.
• 发动机： Typically powered by a single **Wright R-1300 or Pratt & Whitney R-1340 Wasp radial piston engine** (around 600 to 800 hp, depending on the variant).
• 能力：
  • 船员： 2 (Pilot and Co-pilot/Engineer).
  • Troops/Passengers: The main cabin was large enough to accommodate **10 to 12 fully equipped troops** or six stretcher cases.
  • Cargo: Up to 3,000 lbs (1,360 kg) of internal or external cargo.
• Operational Performance (General):
  • Cruising Speed: Around 90-100 mph (145-160 km/h).
  • 范围： Approximately 400 miles (644 km).
  • Service Ceiling: Roughly 10,000 feet (3,000 m).

Operational History and Legacy

• Korean War: The H-19 (then designated H-19 Chickasaw) proved its value during the Korean War, demonstrating the capability of helicopters to perform troop movements, casualty evacuation (CASEVAC), and cargo resupply in battlefield conditions.
• Widespread Use: The S-55 and its variants were used by the armed forces of over 20 nations, making it one of the most successful early military helicopters.
• Longevity: The design’s success led to the development of the more powerful and enduring **Sikorsky H-34 Choctaw (S-58)**, which used the same basic layout but with a larger engine and airframe.
• Civilian Use: The S-55 was also one of the first helicopters to be widely used in civilian roles, particularly for short-haul passenger transport and offshore oil rig support.

视图： 3358