Slotcars vs Mini-4WD? : rslotcars - Reddit

4wd slotOn its Audi R18 e-tron Slot.it has created a 4WD system which is truly unique and innovative. In the Slot.it system, a toothed belt provides power to the front axle through two micro pulleys which are coupled to the left wheels.4WD cars are much more difficult to setup, but when setup rht on a medium grip track they can be very tough to beat. Four wheel drive implies lockup foreaft and side to side