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XH-20小亨利直升機

McDonnell XH-20 Little Henry
概觀
類型實驗衝壓引擎直升機
代號XH-20
乘員1人
首飛1947年8月29日
生產麥克唐納飛行器公司
產量2架
現況已退役
主要用戶美國空軍
技术数据
長度12ft6in(3.81m)[1]
高度6ft8in(2.03m)
空重290lb(132kg)
發動機2具McDonnell衝壓引擎
性能數據
最大速度50mph(80km/h,43kn)

XH-20小亨利(英語:Little Henry)是一款由麥克唐納飛行器公司於1940年代研製的實驗性輕型直升機。[1]

發展

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McDonnell Model 38是一款由美國陸軍航空軍贊助的輕型實驗直升機,用於測試在旋翼葉片尖端使用小型沖壓發動機的概念。[1]作為一架功能性直升機,它採用簡單的開放式鋼管結構。[1]軍事編號為XH-20,第一架原型機於1947 年8月29日首飛。[1]

儘管XH-20成功飛行,但衝壓引擎噪音很大並且需燃燒大量燃料,因此建造更大的兩座XH-29的計劃被放棄。

目前,僅剩的XH-20(46-689)展示於美國空軍國家博物館

型號

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展示於美國空軍國家博物館的XH-20
Model 38 XH-20 Little Henry
實驗直升機,共2架[2]
Model 79 XH-29 Big Henry
雙座版本的實驗直升機,已取消[3]

參考

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维基共享资源上的相關多媒體資源:XH-20小亨利直升機

  1. ^ 1.0 1.1 1.2 1.3 1.4 XH-20 Little Henry Research Helicopter. Boeing. [2009-12-20]. (原始内容存档于2009-12-17). 
  2. ^ Andrade, John. U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. 1979: 119–121. ISBN 0-904597-22-9. 
  3. ^ McDonnell Model Numbers (PDF). McDonnell Douglas. July 1, 1974 [September 3, 2023]. (原始内容存档 (PDF)于2016-03-03). 
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XH-20小亨利直升機
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