Yamaha Introduces 9.9-hp Electric Outboard
Yamaha just introduced its HARMO electric outboard to the U.S. at the big International BoatBuilders’ Exhibition and Conference (IBEX) in Tampa. The outboard couples a 48-volt power supply with a high-yield, low-drag 3.7 kilowatt motor. The rim-drive electric motor and specially encased impeller provide 225 pounds of static thrust. Yamaha says that is the equivalent of a conventional 9.9-hp gasoline outboard. The electric outboard’s running time depends on the type of battery, the size, configuration and other parameters. Rim motors have been used for thrusters and some other marine applications in the past, but Yamaha says this this the first…