8′ puddle duck racer one design racing sailboat based on bolger brick. developmental class, defined hull, unlimited sail rig and underwater fins.. Before the advent of the outboard motor, rowing/sailing skiffs were common on chesapeake bay. they were used for crabbing, fishing, transporting goods, and enjoying. Open/dayboat, free sailboat plans hobby kat. everyone who digs boating has heard of the hobie cat, the sleek little catamaran that burst on the scene and captured the.