WWII US Gato class subs could be built in 9 months.
Wood was used to make the first submarine
A foot long submarine sandwich is 0.000189393939 miles long.
Theygot the idea from the fishes to build a submarine. As fishes have swim bladder they kept ballast tanks in the submarine.
14MILLION
Bushnell built his submarine, the "Turtle", in early 1776 and first used it in September that year.
An average submarine is about 300 feet long.
The United States was the first country to build a nuclear submarine, and that boat was named the USS Nautilus.
Destroy Build Destroy - 2009 Submarine Showdown 3-5 was released on: USA: 29 June 2011
A nuclear powered submarine can remain submerged for as long as it has fuel rods and supplies for the crew.
No. The submarine came about long before the helicopter.
You have to build it to know how to construct it. Just carve it out of metal. It's very big and long. You need to ask your son to help you because at least two people are needed to build a submarine. It not waterproof though.