Because fight specially environment, develop special weapon for battle frogman, it is the domain that height of powerful nation of each country navy takes seriously all the time. The to Russia APS at the beginning of Chinese Yu Benshi discipline and SPP-1 underwater musket undertook grinding copy, improve finalized the design homebred QBS06 type 5.8 millimeter underwater is automatic musket.
Musket of Russia APS underwater, left go up to issue a handgun for SSP-1 water
The outstanding characteristic of this gun is to use the special underwater cartridge that exceeds old long way to compare, use an arrow model play a structure, look resembling is the senior staff tail surface that artillery piece of a tank uses stable exuviate armor-piercing projectile, of bullet it is 150 millimeter about endlong, play weight completely 28 grams, be equivalent to two hair almost the weight that automatic musket plays 5.8 millimeter. Musket of underwater of Russian two countries uses the arrow of senior staff type with special appearance cartridge in, main reason is concerned with briny density.
The wind resistance that encounters in place of the flight in air with bullet differs completely, as the fluid, the density of water is airy 772 times, stick consistency and obstruction outclass air, and the liquid cannot be compressed almost. This is meant fall in the condition that carries stability, linear advancement, when the kinetic energy that bullet packs boiled water to shed ongoing place to need to expend flies than be in air many countless times. Especially the addition as speed, the instruction that bullet moves in water can increase quickly more, after so common bullet enters water, less than can is apart from to release the kinetic energy of oneself completely in the shortest flight, a meter when common musket bullet has pity on only in the cannon-shot of underwater half, still compress air dynamic to prevent gun of shark shuttle darts or dagger as support, do not talk about even self-defensive function to go up.
Why do this wait for special type to fight in underwater namely in the environment, arms of battle frogman special type needs appropriative underwater firearms. To make QBS06 type 5.8 millimeter underwater is automatic effective cannon-shot achieves the underwater of musket 30 meters of above, design cartridge into the slightness that bomb put oneself in another's position, quality so larger lever type arrow play, in order to make sure bullet keeps stable when underwater flies, have at the same time hit the target reliably rate and power.
But lever type arrow play also have a lot of drawback, it is to must use special firearms to blast off, because bullet figure is slim, the most troublesome is the design for playing an orgnaization, the structure that brings about underwater musket is complex. 2 it is bullet of senior staff type cannot shoot in air, terraqueous applicability is poorer.
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