The most massed produced US WWII sub was the Gato class, and they were 311 feet long.
it is about 110 meters long
An average submarine is about 300 feet long.
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It depends entirely on the size of the boat, but 5 or 6 Main Ballast Tanks (port and starboard) and 4 or 5 Trim Tanks are the average.
A submarine's main screw shaft length is totally dependent on the size of the vessel, but in general, anywhere from 30 to 50 feet.
5 mph
Depending on the size of the submarine and whether it is peace or wartime.U-Boat. 27 -> 57Non Nuclear ~ 40Nuclear ~ 80 (more in wartime)
The average size of a person is there is no average size we are all different;)
I think it was 13X27"... Not so sure.
the average size for a menu is A4 size.
The average size is 4GB