Rules were Black Powder, the navel rules i will have to find out how they fitted in, ther Confeds never expected a land invasion that was kept in the dark so everything was focus on the boats.Anyway the Confeds were outnumbered 2-1 on land, but they managed to get into position and check the advance, artillery on the coast just smashed up the boats and the Iron clads went into retreat.
More of a difference in this kind of game because two sets of rules have to mingle into each other as Black Powder does not have Sea battles...Will ask the rules this Monday how they did it.