5202 Series Yellow Jacket Planetary Gear Motor (50.9:1 Ratio, 24mm Length 6mm D-Shaft, 117 RPM, ⌀36mm Gearbox, 3.3 - 5V Encoder),GP Car Story Vol.15 Benetton B190 Nelson Piquet Formula One Japanese Book | eBay,5202 Series Yellow Jacket Planetary Gear Motor (50.9:1 Ratio, 24mm Length 6mm D-Shaft, 117 RPM, ⌀36mm Gearbox, 3.3 - 5V Encoder)