or check this out for how not to reverse engineer a ships hull.
It does however demonstrate how I copied the brake carrier.
https://grabcad.com/library/city-of-adelaidem1864-1
I never did get the curves smooth, this is the nature of Creo, the tool for the task was Catia, as in the CAD used for car bodies.
I found, many years after copying the ship hull that there is a better way to copy a ship. It is called laying the lines. It was widely used by old school, Artisan, Naval Architects of the industrial revolution to copy the shape of boats that were better than theirs, or for the Navy to record the form of ship hulls to ensure that they were never allowed to outrun a Royal Navy ship.