ROXXY BL Outrunner (C42-40-10)Description 14 pole brushless outrunner motors Brushless motors with neodymium magnets represent the very latest form of electric power plant. Outrunners in particular require no reduction gearbox, and constitute efficient, high torque motors covering a broad range of power levels. The special construction of outrunner motors often enables them to drive large propellers without the need for a gearbox, so they are ideal for direct drive applications.