The R Class Gunboat is a double decked stern wheeler.  This is fairly large boat at just over 17" long (85') with a 4" beam (20').  It comes with two main guns and two Gatling guns.  (Figures not included)
 
Contact Dan for "Bare Boat" option.  No paint, no stain, no guns and no sandbags.  Everything else is assembled and ready for you to finish. Just an option that should be a little easier on your your Flotilla budget.