Or this...(Image removed from quote.)I can only imagine the time and fun of hauling that around on railroad carts.
500 miles was a hyperbole and Rail Gun: Railway gun... Eh. Lushe's picture is the one Im thinking of, although I thought I had seen an even larger one somewhere before.
Well, a barrel lenght of >100 feet is pretty large . The K12 had a longer barrel than even the Dora.
How do they compare in size to the guns on the Yamato class BBs?