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Chapter 364 Human cannons fired! (3 more)
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... eally succeed!"
It's not easy!
The cannon in the world is a ghost thing, or it will kill people.
When firing the cannon, the chamber pressure should not be too large. The initial speed of the original Gustav cannon was 720 meters per second, and the people inside were absolutely shocked to death on the spot.
How to slow down the shell by adjusting the charge of the shell's primer has become a profound knowledge.
And this isn't a standard Gustav can ...
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