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本世纪50年代中期,前苏联著名的米里设计局开始探索桨尖喷气直升机,这种直升机是把涡轮喷气发动机安装在旋翼桨叶桨尖处,由它来驱动旋翼旋转。该设计局经历了多次失败,取得了宝贵的经验和教训。在米里设计局开始探索桨尖喷气直升机以后不久,加拿大的设计师也开始探索这类直升机,不过,他们却选择了与米里设计局不同的途径。是什么诱惑着设计师米里设计局的设计师们为什么想到要研制桨尖喷气直升机呢?这恐怕与单旋翼带尾桨直升机存在的某些缺点有关。单旋翼带尾桨直升机是应用最普遍的直升机。这种直升
In the mid-1950s, the famous Soviet Mirage Design Bureau began exploring the tip-jet helicopters, a helicopter that installed a turbojet engine at the tip of a rotor blade propeller to spin the rotor. The design bureau has undergone many failures and has gained valuable experience and lessons. Shortly after the Design Bureau of Miri began exploring the tip-jet helicopters, Canadian designers began to explore such helicopters, though they chose a different approach than the Miri Design Bureau. What tempts designers at the Design Bureau of Miri Why they think of developing a tip-jet helicopter? This is probably related to the single-rotor helicopter tail rotor with some of the shortcomings. Single-rotor tail rotor helicopters are the most commonly used helicopters. This helicopter