Applimotion (Loomis, CA) offers the LARC Series of linear-arc motors, a combination of a disk drive voice coil motor and brushless linear motor. The units can be driven by three-phase brushless motor controllers from 24 to 300 volts with speeds ranging from 0.1 to 1000 rpm. Features include axial low profile, with options as low as 10 mm axial thickness up to 800 mm diameter. Torque output is approximately 15 lb-in per radial inch of arc. With a 360° magnet track, they can run continuously. Hall Devices are a standard option.