Download and share free model airplane and boat plans. featuring thousands of radio control, control line and free flight freely downloadable plans, 3views and blueprints for model builders.. "bart" – argonaut jr’s underwater rov. if simon lake were building the argonaut jr. today he would certainly included an rov. rov’s are like remotely controlled submarines with video cameras and often robotic arms that allow the operator to work underwater for the safety and comfort of a boat above or from within a submarine.. The love of flying boats started early in bart – he got the inspiration at age 11 – held to his "dreams of empire", taught himself cad and here are the results of a long and wonderful ambition..