ok so ive been building a motized scooter with a 25cc whipper snipper/weed wacker what ever you want to call it motor, ive welded together the frame and used two 15" bike wheels. the problem is ive mounted the moter as a direct drive using a skateboard wheel….. failed miserably as the skateboard wheel melted so i put hollow ruber wheel around it and now it kind of works if i want to travel at 1kph any suggestions im consider trying chain drive…???