In less than a blink of an eye, the electric spark ignited the propellant, forming a rapid explosion in the small space of the cannon chamber, and almost all the energy of the explosion was converted into the kinetic energy of the cannonball, propelling the 1.5-ton cannonball to rotate and accelerate.

At this moment, the flames of the muzzle of the cannon rose, and the momentary brightness formed by the glittering fire mass made the heavens and the earth fade.

The muzzle storm swept the sea in an instant, and the sea surface on one side of the huge battleship even formed a circular "concave."

"Ship Niang Combat Manual" Chapter 157 The power of a shock, and even this is in the middle of the hand, please wait a moment,

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