模型飞机一般与载人的飞机一样，主要由机翼、尾翼、机 身、起落架和发动机五部分组成。

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

1、机翼———是模型飞机在飞行时产生升力的装置，并 能保持模型飞机飞行时的横侧安定。

1. Wing is a kind of device which can produce lift force and keep lateral stability of model aircraft in flight.

2、尾翼———包括水平尾翼和垂直尾翼两部分。水平尾 翼可保持模型飞机飞行时的俯仰安定，垂直尾翼保持模型飞机飞行时的方向安定。水平尾翼上的升降舵能控制模型飞机的升 降，垂直尾翼上的方向舵可控制模型飞机的飞行方向。

2. Tail wing includes 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、机身———将模型的各部分联结成一个整体的主干部 分叫机身。同时机身内可以装载必要的控制机件，设备和燃料等。

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

4、起落架———供模型飞机起飞、着陆和停放的装置。 前部一个起落架，后面两面三个起落架叫前三点式；前部两面三个起落架，后面一个起落架叫后三点式。

4. Landing gear -- 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、发动机———它是模型飞机产生飞行动力的装置。模 型飞机常用的动装置有：橡筋束、活塞式发动机、喷气式发动机、电动机。

5. Engine - it is the device of model aircraft to generate flight power. The commonly used dynamic devices of model aircraft are: rubber band, piston engine, jet engine and motor.