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  • H-59直升机 - 百度百科
    H-59直升机，是美国西科斯基飞机公司研制的前行桨叶方案（Advancing Blade Concept，ABC）旋翼研究机。S-69为公司编号，陆军编号为XH-59A。这种布局具有两副共轴式反向旋转刚性旋翼，能承受最大横滚力矩。随着飞行速度的增加，每副旋翼的后行桨叶不断卸载，升力逐渐转移到前行桨叶一边，因桨叶前行
  • Sikorsky S-69 - Wikipedia
    In late 1971, the Army Air Mobility Research and Development Laboratory, which later became a part of the Army Research Laboratory, awarded Sikorsky a contract for the development of the first prototype [citation needed] The S-69 was the demonstrator for the Advancing Blade Concept (ABC) [1]The remains of the first S-69 airframe, which was converted into a wind tunnel testbed
  • 旋翼通鉴｜前行桨叶概念实用化——西科斯基S-69直升机 - 知乎
    *注：图片版权为Sikorsky Archives所有；如有错误，欢迎不吝指正；如有疑问，欢迎留言探讨。学识有限，有些疑问可能无法回复，还望见谅。感谢评论区“Justin”的指正，对于XH-59A安装推进装置之后的Rolling Takeof…
  • XH-59A Advancing Blade Concept (ABC) S-69 - GlobalSecurity. org
    XH-59A Advancing Blade Concept (ABC) S-69 NASA and DOD developed several rotary-wing-based aircraft that used powered lift technology These included the XH-59A, advancing blade concept
  • 跨越两国的传奇——Sikorsky S-69 XH-59A “前行桨叶概念”验证机
    （本段文字系鄙人翻译的英文资料，转载请注明来自@yikecat “仙猫藏图”系列，谢谢） 在20世纪60年代中期，直升机行业的许多公司都在研究扩大直升机速度范围的技术。
  • XH-59A helicopter parameters. 16,17,25 - ResearchGate
    Download scientific diagram | XH-59A helicopter parameters 16,17,25 from publication: Heading control strategy assessment for coaxial compound helicopters | The coaxial compound helicopter has
  • Sikorsky S-69 XH-59A helicopter
    Description: The S-69 (XH-59A) was a technology demonstration platform created by the pioneering Sikorsky aircraft corporation Development of the S-69 was announced in 1972
  • DTIC ADA111114: XH-59A ABC Technology Demonstrator . . . - Archive. org
    this report presents the results of two flight test programs conducted with the XH-59A Advancing Blade Concept demonstrator aircraft The first program, conducted in the auxiliary propulsion configuration, consisted of altitude and center-of-gravity envelope expansion testing
  • Aircraft: Sikorsky XH-59A - aero-web. org
    Luther Browning Corpus Christi, TX: Until late 1973 I was a helicopter mechanic for the Army in Corpus Christi, TX I worked for the ARADMAC (I think I got that right it was a long time ago) depot level repair facility as a crew leader
  • S-69直升机 - 百度百科
    s-69是美国西科斯基飞机公司为美国陆军研制的前行桨叶方案旋翼研究机，陆军编号xh-59。1972年2月西科斯基飞机公司与美国陆军签订了一项设计、制造和试飞两架xh-59研究机的合同，用以验证前行桨叶方案旋翼的性能、操纵品质和机动能力。1973年7月第1架研究机首次试飞，1975午7月改动后的第2架研究





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