模型飛機一般與載人的飛機一樣，主要由機翼、尾翼、機身、起落架和發動機五部分組成。

Model aircraft is generally the same as manned aircraft, which is mainly composed of wing, tail, fuselage, landing gear and engine.

1、機翼是模型飛機在飛行時產生升力的裝置，并能保持模型飛機飛機飛行時的橫側安定。

1. The wing is the device which can generate lift and keep the lateral stability of the model aircraft in flight.

2、尾翼包括水平尾翼和垂直尾翼兩部分。水平尾翼可保持模型飛機飛行時的俯仰安定，垂直尾翼保持模型飛機飛行時 的方向安定。水平尾翼上的升降舵能控制模型飛機的升降， 垂直尾翼上的方向舵可控制模型飛機的飛行方向。

2. The tail consists of horizontal tail and vertical tail. The horizontal tail can maintain the pitch stability of the model aircraft while the vertical tail can maintain the directional stability of the model aircraft. The elevator on the horizontal tail can control the lift of the model aircraft, and the rudder on the vertical tail can control the flight direction of the model aircraft.

3、機身將模型的各部分聯結成一個整體的主干部分叫機身。同時機身內可以裝載必要的控制機件，設備和燃料等。

3. The fuselage connects all parts of the model into a whole. The main part is called fuselage. At the same time, the fuselage can be loaded with necessary control parts, equipment and fuel.

4、起落架供模型飛機起飛、著陸和停放的裝置。前部一個起落架 ，后面兩面三個起落架叫前三點式;前部兩面三個起落架，后面一個起落架叫后三點式。

4. The landing gear is a device for model aircraft to take off, land and park. One front landing gear and three rear landing gears are called front three-point landing gear; three front landing gears and three rear landing gears are called rear three-point landing gear.

5、發動機它是模型飛機產生飛行動力的裝置。模型飛機常用的動力裝置有：橡筋束、活塞式發動機、噴氣式發動機、電動機。

5. The engine is a device that generates flight power for a model aircraft. The commonly used power devices of model aircraft are: rubber band, piston engine, jet engine and motor.

航空模型技術常用術語

Common terms of aviation model technology

1、翼展機翼(尾翼)左右翼尖間的直線距離。(穿過機身部分也計算在內)。

1. The linear distance between the left and right wingtips of a wingspan wing (tail). (the part passing through the fuselage is also included).

2、機身全長模型飛機前端到末端的直線距離。

2. The straight-line distance from the front end to the end of a full-length model aircraft.

3、模型飛機各部分重力的合力作用點稱為。

3. The point of resultant force of gravity of each part of the aircraft is called the center of gravity.

4、翼型機翼或尾翼的橫剖面形狀。

4. The cross section shape of an airfoil or tail.

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