Profile: Castle Creations manufactures electronic speed controls. We offer products for driving, flying and boating. We offer brushless controllers, brushless motors, and wire harnesses. The CM20-4200,KV brushless motor for cars is suitable for 1/18th scale vehicle, and must be used with a brushless car ESC only. The CMS36-4600 motor is suitable for short tight tracks. It is roughly equivalent in top speed to a 12t brushed motor on 6 cells.