It also featured an enclosed tail rotor.
它同样以涵道桨为特色。
It also removes the need for a tail rotor.
它也无需尾部旋翼。
Rotor blades: All-metal main or tail rotor blades are prohibited.
转子叶片：全金属的主旋翼或尾旋翼材质，是被禁止的。
The helicopter has a five-blade main rotor and a four-blade tail rotor.
直升飞机有一个五浆叶主旋翼和一个四浆叶尾旋翼。
The tail rotor keeps yaw in check while a servo-driven elevator takes care of pitch.
该尾桨保持偏航在检查的同时伺服驱动的电梯照顾间距。
Natural frequency of tail rotor of some kind of helicopter with uncertain composites was studied.
研究具有不确定复合材料参数的某型直升机尾桨的固有频率。
This paper presents the tail rotor failure patterns, handle methods and flight test methods of helicopter.
介绍了直升机尾桨故障类型及其处理方法和试飞方法。
It is a good practice to check the bolts and nuts on the main rotor head and tail rotor after every flight.
每次飞完检查主旋翼头和尾旋翼头的螺丝螺母是一个很好的习惯。
Difference of prepreg technique and the tail rotor rigidity were the key resulting in product life decline.
预浸料工艺性能的差异及桨叶刚度不足是造成产品寿命下降的主要原因。
The flow field characteristic of a helicopter ducted tail rotor in hovering were analyzed using CFD method in this paper.
本文采用CFD方法分析了悬停状态下涵道尾桨的流场特性。
The durable semi-enclosed tail rotor gearbox protects the tail rotor gears while at the same time allowing easy inspection.
耐用半封闭式尾桨变速箱保护尾桨齿轮同时也可以很容易地查阅。
An experimental and analytical investigation on the aerodynamic characteristics of a helicopter scissors tail rotor has been made.
对剪刀式尾桨的气动特性进行了实验和分析研究。
It investigates influence of the factors such as engine power, airspeed and flight altitude on the tail rotor failure flight test.
探讨了发动机功率、空速、飞行高度等因素对尾桨故障试飞的影响。
This paper introduces a method of making selection of helicopter tail rotor parameter optimization using computer optimum techniques.
本文介绍采用计算机优化技术进行直升机尾桨参数优化选择的方法。
Number 8. BELL UH-1 IROQUOIS (HUEY) is a military helicopter powered by a single turboshaft engine, with a two-bladed main rotor and tail rotor.
第八名：贝尔uh - 1IROQUOIS(惠)是一种军用直升机搭载单涡轮轴发动机，具有双桨叶主旋翼和尾桨。
Dave Thomas: A helicopter has four main controls: foot pedals, collective pitch lever , cyclic, and throttle. The foot pedals control the tail rotor.
戴夫·托马斯：直升机有四个主要的控制器：脚踏板、总距操纵杆、周期变距操纵杆以及气门。
Helicopters require a tail rotor to counteract the rotor torque; this and the articulated head complicate flying, construction and maintenance enormously.
需要直升机尾桨抵消转子力矩；这和阐述头复杂飞行，建造和维修极大。
A free wake analytical model is then developed for predicting the aerodynamic characteristics of a scissors tail rotor and validated by numerical examples.
然后，建立了一个剪刀式尾桨气动特性计算的分析模型，并进行了验证。
The Z-9B variant features a modified 11-blade Fenestron faired-in tail rotor with wider-chord, all-composite blades instead of 13 all-metal blades as in as 365n1.
Z - 9b型特点是一个改进11浆叶涵道尾桨，减阻内置螺旋浆采用宽弦、全-复合浆叶而不是像在AS 365n1型中的13片全-金属浆叶。
Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory.
研究剪刀式尾桨气动噪声的混沌特性，并应用混沌理论进行了直升机尾桨气动噪声信号分析。
Like the Z-9B, the Z-9C also features a modified 11-blade Fenestron faired-in tail rotor with wider-chord, all-composite blades instead of 13 all-metal blades as in as 365n1.
如同Z - 9b, Z - 9c也具有的特征是一个改进11浆叶涵道减阻内置尾螺旋浆，采用宽弦全复合浆叶而不是像AD 365n1型一样的13片全-金属浆叶。
For the current helicopter of single main rotor with tail rotor, the effect of inflow models with different characteristics on helicopter trim and digital simulation was discussed.
以常规单旋翼带尾桨直升机为对象，讨论均匀与非均匀入流模型对直升机飞行数值仿真的影响。
For the classical helicopter of single main rotor with tail rotor, the effect of inflow models with different characteristics on helicopter trim and digital simulation were discussed in this paper.
针对常规单旋翼带尾桨直升机，讨论不同特性的入流模型在直升机数值仿真中的作用。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
引入尾流收缩比因子，并将大速度时的涵道等效为圆形机翼，建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
Adding a rotor blade (it had five on the main rotor and four on the tail) and using a modified exhaust system were among them.
增加一个桨叶(主桨有5个叶片，尾桨有4个)，并使用了改进的排气系统。
Adding a rotor blade (it had five on the main rotor and four on the tail) and using a modified exhaust system were among them.
增加一个桨叶(主桨有5个叶片，尾桨有4个)，并使用了改进的排气系统。
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