Sailboats use the power of the wind acting on sails to propel the boat. model sailboats are typically controlled via a multi-channel radio transmitter in the hands of the operator with a corresponding receiver in the boat.. Modeling n to z: the national museum of ship models and sea history (sadorus, illinois); nature coast hobby shop (wooden and plastic ship models, books, tools, supplies); the nautical research guild. Radio control model landyacht design tips. design tips. in the process of designing my own model landsailers over the last few years i’ve learned a lot and developed a few calculations that have proven useful..