McDonald Douglas F-15 Eagle is one of the best fighters in the world and a symbol of the third generation Jet fighters after WWII. It`s an all-weather, extremely maneuverable, tactical fighter designed to permit the Air Force to gain and maintain air superiority in aerial combat.

McDonald Douglas is a part of Boeing Company now. In this photo you can see the white-red painting F-15A. The photo down here shows the special sensor mount on F-15A for test fly.

美国麦克唐纳·道格拉斯公司公司的F-15“鹰”式战斗机是世界上最出色的战斗机之一，是战后第三代喷气战斗机的代表。

F-15是一种全天候高机动性战术战斗机，用于空中优势作战任务，并发展了空地作战改型。该机具备完善的全天候作战能力，可使用先进的中距空空导弹摧毁敌机。目前该机现役型号进行改装相控阵雷达的工作。目前麦道公司已经为波音公司兼并。上图是白红色涂装的F-15A原型机。下图中的F-15A的机头处安装了试飞用的传感器。

点击查看：F-15E战斗轰炸机详细介绍 美军F-15飞行员访谈

The F-15 is widly regarded as one of the best air superiority fighters. It's air superiority is achieved through a mixture of unprecedented maneuverability and acceleration, range, weapons and avionics. The F-15 has electronic systems and weaponry to detect, acquire, track and attack enemy aircraft while operating in friendly or enemy-controlled airspace, while some other fighters depend on base support too much.  

F-15被公认为一种优秀的空中优势战斗机。它的优势是以比以往任何一种战斗机都要优越的机动性、操纵性、航程、火力和电子设备为基础的。F-15的电子和武器系统无论在有支援的本方空域，还是敌占区域，都能有效的发挥作用。而其他的一些战斗机往往过于依赖地面基地的支援。

The F-15's maneuverability and acceleration are based on high engine thrust-to-weight ratio and low wing loading. Low wing-loading (the ratio of aircraft weight to its wing area) is a vital factor in maneuverability, combined with the high thrust-to-weight ratio, enables the aircraft to turn tightly without losing airspeed. Check this photo, a F-15 was showing its climbing speed.

F-15具有高度的机动性和加速性能，其推重比极高，超过1，而单位翼载荷则很低。单位翼载荷(飞机重量与翼面积的比值)是决定机动性的关键因素，加上F-15的发动机推重比很高，使得F-15既便是在高速转弯的时候也并不会丧失速度。下图中F-15在表演起飞后快速爬升。

F-15采用固定式切角三角形上单翼，不带前缘和后缘机动襟翼。固定弯度的普通锥形扭转机翼提高了机动性。前缘后掠角45°，展弦比为3，根梢比为4，相对厚度翼根处为6.6％，翼尖处为3％。上反角1°，安装角0°。机翼采用多梁抗扭盒型破损安全结构。前梁为铝合金，后三根梁是钛合金的。少量钛合金壁板，多为铝合金机械加工整体壁板。机翼装有均为铝合金蒙皮全铝蜂窝夹层结构的前、后缘，副翼

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