Design Considerations
The design of a railroad gun has three issues over and above those of an ordinary artillery piece to consider. Namely how the gun is going to be traversed - i.e. moved from side to side to aim; how the horizontal component of the recoil force will be absorbed by the gun's carriage and how the vertical recoil force will be absorbed by the ground.
Read more about this topic: Railway Gun
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“Teaching is the perpetual end and office of all things. Teaching, instruction is the main design that shines through the sky and earth.”
—Ralph Waldo Emerson (1803–1882)