The Submarine that could
John Hollands submarine "Fenian Ram"
John Holland was the first person in the U.S to create a submarine. He came up with his first submarine design in 1875 and submitted them to the U.S Army.
The old Submarine
This submarine started underwater warefare for the us. This invention soon evolved into a moden submarine.
From Old to New
This submarine has changed a lot on the inside and outside. John Hollands design was a really good structure design. The old sub and new one have a similar body structure. This new submarine has way more horsepower than the Fenian Ram. It also weighs roughly from 20-27 tonnes.
Submarine Structure & Systems: "The Submarine: Construction" pt1-2 1955 US Navy
How the Great Underwater Machine Works
The submarine John Holland made was 19 tons. It was moved by a 15 horsepower brayton piston engine. The engine caused the propleler to turn and was able to go up to 9knots. This machine was captained by three men.
Bibliography
"Submarine" 06 October 2009. HowStuffWorks.com. <http://www.howstuffworks.chttp://en.wikipedia.org/wiki/Los_Angeles-class_submarineom/submarine-info.htm> 16 January 2015.