Anti-Invasion Floating Mortar
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Also known as Naysmyth's Submarine Mortar and the Steam Ram, the Anti-Invasion Floating Hammer was a semi-submerged naval ship design conceived and published by inventor James Nasmyth in 1853.[1]
About
The mortar had a length of Script error: No such module "convert". and a beam of Script error: No such module "convert". and was equipped with a small steam engine that drove a single propeller. The walls of the mortar were Script error: No such module "convert". thick, protecting it against potential enemy gunfire of that period.[2] At the front of the boat was a hollow brass cap shaped like a ram that was 9 feet thick. Inside the ram was a case filled with a heavy charge of explosive powder. With only the funnel and a domed structure covering the pilot being visible above water, the mortar sought to attack enemy ships by ramming the hull with the explosive-filled ram at speeds of over Script error: No such module "convert"..[3] Because of potential dangers associated with its means of attack, the Anti-Invasion Floating Mortar was never built.
See also
- Spar torpedo
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- Monitor (warship)
References
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