
Yamaha Tests Revolutionary New Electric Motor. See Video
Yamaha is starting sea trials on Aug. 7 on its revolutionary electric drive system that provides greater maneuverability, faster turning, and less vibration and noise than possible on most conventional drives. Yamaha says its new HARMO drive package is a “next generation control system platform” with an electric motor, a remote-control box, and a joystick. It generates about 10-hp and is available in single or twin applications. A major innovation is that the prop is not driven through a central axle, as it is in conventional motors. Instead, HARMO has a Drive By Rim motor, where a ring of sequentially-activated…