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本文介绍了250公斤2型航空爆破炸弹改造成为低空轰炸用伞弹的研究情况,认为对老弹进行改造,使之适应武器与战术的发展,具有很大的经济意义。在伞弹上采用十字型减速伞较为合适,而伞绳应有足够的长度,使减速伞尽可能脱离弹后尾流区。在加装减速伞时,应综合考虑各部分对炸弹弹道稳定性的影响。采用定点强制开伞可以获得弹道初始段的稳定和减小开伞初始扰动,有利于提高轰炸精度。
This paper describes the research on the 250 kg Type 2 air blast bomb transformed into an air bomb for low-altitude bombardment. It is of great economic significance to reform the old bomb and adapt it to the development of weapons and tactics. It is more appropriate to use a cross-type parachute umbrella on the parachute, while the parachute rope should be of sufficient length to allow the parachute to be as free from the wake area as possible. When installing a parachute, the impact of each part on the trajectory stability of the bomb should be comprehensively considered. The use of fixed-point open parachute can get the stability of the initial trajectory and reduce the initial parachute perturbation, is conducive to improving the bombing accuracy.