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located in the lower nose compartment. The roll CWS force transducer is
connected between the bus drum and the control drum, the output of the
force transducer provides signals to the autopilot. The aileron force limiter
limits control wheel movement during A/P operation, the control wheel
rotation is limited to 17°with flaps up and 25°with flaps down.
副翼位于每個(gè)機(jī)翼前緣外側(cè)，其它副翼組件位于3 個(gè)主要區(qū)域：
 駕駛艙
控制輪位于駕駛艙前部。副翼配平開(kāi)關(guān)位于控制臺(tái)上。
 輪艙區(qū)域
副翼動(dòng)力控制組件（PCU，轉(zhuǎn)變駕駛員或自動(dòng)駕駛系統(tǒng)機(jī)械驅(qū)動(dòng)的輸
入為液壓驅(qū)動(dòng)機(jī)械輸出，用以驅(qū)動(dòng)副翼）位于主輪艙前壁。自動(dòng)駕駛
副翼作動(dòng)筒主輪艙前壁。副翼位置傳感器從副翼系統(tǒng)提供兩個(gè)位置反
饋信號(hào)給自動(dòng)駕駛系統(tǒng)。
 機(jī)頭下方
控制鼓及轉(zhuǎn)動(dòng)鼓輪連接到控制輪上，位于機(jī)頭下方。橫滾駕駛盤操縱
反向換能器連接在轉(zhuǎn)動(dòng)鼓輪與控制鼓之間，力量轉(zhuǎn)換器的輸出為自
動(dòng)駕駛提供信號(hào)。副翼操縱力限制器限制控制輪在自動(dòng)駕駛儀操作時(shí)
移動(dòng)�？刂戚喌霓D(zhuǎn)動(dòng)被限制在襟翼上升17°及襟翼下降25°之間。
(4) To understand elevator poeration consider the airplane balanced about the
center of lift (CL). The center of gravity (CG) is shown forward of the
center of lift. The stabilizer provides a counter force to the CG. The
stabilizer may be trimmed to changer the force as required to maintain
balance.
The elevators are used to change the pitch attitude. Moving the elevators
out of their faired position causes the airplane to change the pitch attitude
about the lateral axis. The amount of elevator movement establishes the
airplane pitch rate.When the desired attitude is reached, the elevators are
faired and the air-plane maintains the new pitch attitude.
升降舵操作要考慮飛機(jī)相對(duì)于升力中心的平衡。重力中心一般在升力
中心的前面。安定面提供一個(gè)反向力給重力中心。安定面也可以在需
要時(shí)通過(guò)配平改變力量以保持平衡。
升降舵用來(lái)改變飛機(jī)俯仰姿態(tài)。移動(dòng)升降舵離開(kāi)它們的流線型位置，
使得飛機(jī)改變水平軸上的俯仰姿態(tài)。升降舵的移動(dòng)量形成俯仰率。當(dāng)
達(dá)到希望的姿態(tài)時(shí)，升降舵再成流線型，飛機(jī)保持新的俯仰姿態(tài)。
(5) Two control columns provide pitch control of the airplane . each control
column extends through the floor into the lower nose compartment. A
torque tube connects the control columns together. The control columns
allow the pilots to control the airplane about the lateral axis.
兩個(gè)駕駛桿提供飛機(jī)俯仰控制。每個(gè)控制桿通過(guò)地板沿伸到前艙。一
個(gè)扭個(gè)管將駕駛桿連在一起。駕駛桿允許駕駛員沿水平軸控制飛機(jī)。
(6) Control about the vertical axis is provided by the rudder. Control is
provided by a single rudder without tab. The rudder is pedal operated by
the captain or the first officer. Pedal movement rotates the forward
quadrants, which are cable connected to the aft quadrant. Rotation of the
aft quadrant moves a control rod connected to a torque tube. Rotation of
the torque tube moves a crank connected to the rudder power control unit
linkage. This admits hydraulic fluid to the actuating cylinder, which
moves the rudder.
飛機(jī)垂直方向上的控制由方向舵提供。通過(guò)一個(gè)單獨(dú)的不含調(diào)整片的
方向舵提供控制。方向舵由機(jī)長(zhǎng)或副駕駛的腳蹬控制。隨著腳蹬的移
動(dòng)，使得前扇形盤轉(zhuǎn)動(dòng)，前扇形盤由線纜連接到后扇形盤。后扇形盤
的轉(zhuǎn)動(dòng)帶動(dòng)一個(gè)連接著一個(gè)扭力管的操縱桿。扭力管的轉(zhuǎn)動(dòng)帶動(dòng)了連
接著方向舵動(dòng)力控制組件的曲柄移動(dòng)，它提供液壓壓力給員筒型作動(dòng)
筒，作的筒作的使得方向舵移動(dòng)。
LESSON 16 POWER PLANT (1)
一、單詞
動(dòng)力裝置Power plant 推力thrust 幫助aid
反推裝置Thrust reverser 驅(qū)動(dòng)drive 齒輪箱gearbox
高函道比High bypass rate 渦輪風(fēng)扇turbofan 裝配fitting
相同的軸流axes 轉(zhuǎn)子rotor
定子葉片State vane 壓縮機(jī)compressure 經(jīng)由Via
軸shaft 渦輪turbine 機(jī)械地mechanically
獨(dú)立的independent 相互Each other 氣流Airstream
燃燒combusion 環(huán)形的提高increase
排氣Discharger air 能夠Is capable of 大約approximately
主要的major 組件module 核心core
附件齒輪箱Accessory
gearbox
維護(hù)maintenance 助推器booster
軸承支座Bearing support 入口inlet 支架frame
噴嘴nozzle 防護(hù)罩shroud 轉(zhuǎn)換transfer
繼續(xù)continue 加速accelerate 引導(dǎo)direct
結(jié)果result 交付deliver 用泵抽pump
截流閥Shutoff valve 起動(dòng)手柄Start lever 警告waring
頭頂上方的overhead 照亮illuminate 暗淡的dim
熱交換器Heat exchange 過(guò)濾器filter 失敗failure
堵塞blockage 主發(fā)動(dòng)機(jī)控制器Main engine
control
離開(kāi)leave
轉(zhuǎn)入Is ported to 機(jī)械mechanism 和…一起In conjunction
with
轉(zhuǎn)/分Revolution per
minute
測(cè)量meter 發(fā)射機(jī)transmitter
測(cè)量measure 指示器indicator 回油scavenge
旁通活門Bypass valve
二、TEXT
(1) the power plant on the 737-300/400/500 provides the thrust required for
flight and also supplies power to in stopping the airplane (thrust
reversers ), provides bleed air for air conditioning, pressurization,
　
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