Abstract
The important problem of designing underwater pistol was analysed and calculated the dynamics of firing mechanism. On the basis of analyzing the performance of the underwater pistol, the paper presents a theoretical model for analysing the dynamics of firing mechanism of underwater pistol with the with the resistance of water acting on firing pin and slide. The result of this research can be applied to design the underwater pistol and underwater firearm.
Highlights
THE underwater pistol is designed to destroy enemy personnel at ranges of up to 20m under water [1]
The principle of operation of firing mechanism of underwater pistol based on the operation of typical pistol but it is improved to reduce the resistance of water [4]
In stage II, the article only studying the dynamic of firing pin
Summary
THE underwater pistol is designed to destroy enemy personnel at ranges of up to 20m under water (depending on diving depth) [1]. The pistol is intended for combat swimmers. Two kinds of typical underwater pistol current are HKP11 of Germany (Fig.1a) and SPP-1M of Russian (Fig.1b) [2]. In Vietnam, the research on underwater pistol is limited and water commando forces have not been equipped with this weapon. The researches are mainly focused on projectile's motion under water. Design underwater pistol has become a hot topic.
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