Technical data for HR2S-1W. Engine: 2 x Pratt & WHitney R-2800-50 pistone engine, rated at 1415kW, main rotor diameter: 21.95m, fuselage length: 20.27m, height: 6.71m, take-off weight: 14060kg, max speed: 196km/h, service ceiling: 2438m, range: 354km

In the 1962 unification of United States military aircraft designations, the USMC examples were redesignated from HR2S-1 to CH-37C. At the time of delivery, the CH-37 was the largest helicopter in the Western world and it was Sikorsky's first twin-engine helicopter.

2025年2月18日 · 海軍的預警型編號為hr2s-1w，採用兩台陸軍改進型ch-37c改造而來，因為陸軍訂貨比較多，陸戰隊版本一直存在可靠性問題。 總共建造了兩架艦HR2S-1W改造。

Two aircraft (called HR2S-1W) fitted with a large diameter radar scanner in the nose for early-warning duties were procured by the Navy in 1957. The HR2S-1W Airborne Early Warning (registration...

Interestingly, two variants designated the HR2S-1W and fitted with a large diameter radar scanner in the nose were procured by the Navy in 1957, as a possible airborne early warning platform. The...

Capable of carrying twenty-six fully equipped combat troops or a varying array of cargo, the HR2S-1 was a single-rotor layout powered by two-engines fitted on nacelles alongside the fuselage...

2024年3月4日 · hr2s-1w是以海军陆战队使用的hr2s-1版（后来更名为ch-37c）为基础进行改装，后者为适应甲板起降做了一些修改，装备了改进的发动机短舱、主旋翼、起落架等，尾桨部分可折叠，陆战队总共获得了55架，另有36架订单被取消。

Initially procured in 1956, the Sikorsky (model S-56) CH-37A/CH-37B, with a crew of three, was a large medium lift transport helicopter. Clam shell doors in the nose provided access to a cargo...

Die S-56 entstand als Transporthubschrauber für das U. S. Marine Corps mit einer Kapazität von 26 voll ausgestatteten Marinesoldaten. Eine Bestel-lung für das Flugzeug erfolgte 1951 unter der Bezeichnung der Zeit HR2S.

Airborne early warning (AEW) helicopter for the US Navy fitted with AN/APS-20E radar. Two built.