While working on one of my space wargames, I became interested in historical ships, especially their classification and relative characteristics. (Were most classes small while only a few were large? Or was there some other distribution?) Trauling the Web I assembled some data.

18th century American ship types

Type guns
Schooner 8
Sloop 10
Cutter 14
Ship 20
Frigate 32
Ship of the Line 74

WWII Types

Type wgt. (kt) guns caliber (in) armor (in)
Patrol Boat 0.2 1 2 0
Sloop 0.9 1 4 0
Corvette 1 1 4 0
Frigate 1.5 2 4 0
Escort Destroyer 1.5 2 5 0
Destroyer 2 6 5 0
Light cruiser 6 10 6 2
Cruiser 9 10 8 8
Heavy cruiser 12 10 8 8
Battlecruiser 20 6 11 8
Carrier 25 75*
Battleship 50 10 11 14?

Guns and caliber are from the largest artillery on the ship. Armor thickness is from belt plating (not the deck, reinforced magazines, etc.).
** Number of planes.

Useful sites

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