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。
Like manned aircraft, type a aircraft is mainly composed of five parts: wing, tail, fuselage, landing gear and engine.
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行時的橫側安定。
Wing is a device that generates lift during flight of model aircraft and can maintain the lateral stability of model aircraft during flight.
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。
Tail - including horizontal tail and vertical tail. The horizontal tail can maintain the pitching stability of the model aircraft, and 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.
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。
Fuselage - the main part that connects all parts of the model into a whole is called the fuselage. At the same time, the fuselage can be loaded with necessary control parts, equipment and fuel.
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
Landing gear - a device for taking off, landing and parking of model aircraft. One landing gear at the front and three landing gears at the back are called the front three-point type; There are three landing gears on both sides of the front, and the rear landing gear is called the rear three-point type.
飛機發明之前，航空模型具有強烈的探索性質，在飛機發明之后，航空模型仍然是研究航空科學的必要工具。每一種新飛機的試制，都要先在風洞里用模型進行試驗，甚至連航天飛機這樣的航空器，也要經過模型試驗階段，取得必要的數據，才能獲得成功。
Before the invention of aircraft, aviation model had a strong exploratory nature. After the invention of aircraft, aviation model is still a necessary tool to study aviation science. The trial production of each new aircraft must first be tested with a model in the wind tunnel. Even an advanced aircraft such as the space shuttle must go through the model test stage and obtain the necessary data before it can succeed.
（2）航空模型是很有實用價值的器具。我國漢代就有用風箏測量距離和傳遞信息的。隨著航空模型的發展，特別是無線電遙控模型飛機的日臻完善，航空模型的用途越來越廣泛。
(2) Aviation model is a very practical instrument. In the Han Dynasty, kites were used to measure distance and transmit information. With the development of aviation model, especially the improvement of radio remote control model aircraft, aviation model is used more and more widely.
例如，可以利用無線電遙控模型飛機作為部隊和民兵對空射擊訓練的靶機。在訓練的時候，通過無線電遙控設備控制航模靶機完成直線飛行、轉彎、上升、俯沖等飛行動作，甚至在靶機上完成空投降落傘、發射模型火箭、投放炸彈、施放拖靶等特技動作。在實彈射擊時候，可以在航模靶機尾部幾十米遠處拖拽一個彩色靶袋，以靶袋作為目標，避免擊毀靶機。
又如，在無線電遙控模型飛機上裝上攝影機，就可以對地面進行航空攝影，拍攝一些人們不容易接近的野生動植物，甚至可以拍攝一些危險性很大的驚險鏡頭或戰斗場面等。
For example, radio controlled model aircraft can be used as target aircraft for air shooting training of troops and militias. During training, the aircraft model target is controlled by radio remote control equipment to complete flight actions such as straight-line flight, turning, rising and diving, and even perform stunts such as parachute dropping, model rocket launching, bomb dropping and target dropping on the target. During live firing, you can drag a color target bag tens of meters away from the tail of the model aircraft target, and take the target bag as the target to avoid damaging the target aircraft< p > for another example, if a camera is installed on a radio remote control model aircraft, it can take aerial photography on the ground, shoot some wild animals and plants that are not easy for people to approach, and even shoot some dangerous thrilling scenes or battle scenes.
另外，可以利用航模飛機攜帶農藥滅蟲，利用航模飛機拖一根尼龍線從一個山頭到另一個山頭，然后換成鋼索，進行高山架線。還可以利用航模飛機飛入云層，施放催化劑，進行人工降雨，等等。
In addition, the model aircraft can be used to carry pesticides to kill insects, and the model aircraft can be used to drag a nylon wire from one mountain to another, and then replace it with a steel cable for high mountain stringing. Model aircraft can also be used to fly into the clouds, release catalysts, carry out artificial rainfall, and so on.
（3）航空模型是普及航空知識的玩具。
(3) Aviation model is a toy to popularize aviation knowledge.
航空模型活動在普及航空知識、培養航空科技人才方面所起的作用是很大的，許多的航空學家，小時候都非常喜愛航空模型。美國的萊特兄弟小時候就愛玩飛螺旋（竹蜻蜓），從而產生對航空事業的濃厚興趣。美國登月飛船阿波羅11號船長阿姆斯特朗，小時候也酷愛航空模型，他在家里的地下室安裝了一個風洞，用來試驗自己制作的模型飛機，這無疑對他成為世界上個踏上月球的人有著巨大的影響。我國也有許多的飛機設計師、火箭設計師、飛行員等，小時候就是航模愛好者。
Aviation model activities play a great role in popularizing aviation knowledge and cultivating aviation scientific and technological talents. Many famous aviation scientists loved aviation models very much when they were young. The Wright brothers in the United States loved to play with the flying spiral (bamboo dragonfly) when they were young, resulting in a strong interest in aviation. Armstrong, captain of Apollo 11, an American lunar spacecraft, also loved aerial models when he was a child. He installed a wind tunnel in the basement of his home to test his model aircraft, which undoubtedly had a great impact on him to become the first person to set foot on the moon in the world. There are also many famous aircraft designers, rocket designers and pilots in China. They were aircraft model lovers when they were young.
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