Sol-Expert-Solar-Motor-with-Drive-0-4-5-9V-DC-Sol-Expert-RF300CA-P-This-solar-motor-with-drive-from-Sol-Expert-has-been-designed-for-the-Mabuchi-RF300CA-solar-motor-&-is-equipped-with-a-pleasant-rotation-speed-of-about-16rpm-which-can-be-reached-at-0-5V-&-the-27-1-ratio-Ideal-for-all-models-that-are-supposed-to-rotate-slowly-BR-P-Sol-Expert-Solar-Motor-With-Drive-Voltage-Range-0-4-5-9V