某尾翼式火箭弹,在研制的初期,当尾翼斜置角为1°20′时,曾出现过掉弹现象;后来尾翼斜置角变小,弹在全弹道飞行正常,未出现异常现象.对于这样一个向题,本文通过分析该火箭弹的转速特性和飞行稳定性,提出了该火箭弹产生掉弹的一种看法,并对一般尾翼式火箭弹的转速设计提出了选取原则。 In the early stage of development, some tail-mounted rockets had been dropped when the inclined angle of the tail was 1 ° 20 ’. Later, the inclined angle of the tail became smaller, and the ballistic flight of the tail was normal. There was no abnormal phenomenon. For such a question, this paper puts forward a view of the rocket launch by analyzing the rotational speed characteristics and flight stability of the rocket, and puts forward the principle of selecting the rotational speed of the rocket.