RC boat parts: rudder, propeller and motor mount

UPDATE 2: I've added three new mounts which will allow you to mount brushless outrunners on a boat. On is a simple transom mount while the others use engine nacelles. The transom mount would be ideal for a boat that draws more water. With mine, the props weren't submerged enough. The smaller nacelle works well, but has a maximum velocity where the water will be split aside by the nacelle and less will reach the prop, limiting the max speed. The long nacelle hasn't been tested but may correct the