With versions in 1/48 , 1/72 , 1/96 , and 1/144 scale , Big Gun Model Warship combat clubs have rules that make provisions for cannon caliber and armor thickness to be scaled according to that which existed on the prototype vessel .	<arg1> Big Gun Model Warship </arg1> <rel> has versions in </rel> <arg2> 1/48 scale </arg2>	1