Build a rc air boat plans from radio controlled parts. these are plans for a radio controlled rc boat hydroplane. from prop to servos, all the. Footy class r/c sailboat razor 3. bill hagerup updates his razor design with the razor3. here’s how he compares the two:. Diy rc modeling plans as you pass your mouse over each link a thumbnail image pops up showing what the plan looks like or showing a completed model..