2:40 You used the wrong motor output, the interior out put has less torque but more speed, the exterior output that you are useing has more torque but less speed. TIPS: use a lego technic motorcycle wheel for more speed (Larger wheel ≈ higher gear ratio). Use a two wheeler design to reduce frontal area and have better aerodynamics Make the front round, the medium section smooth and the back section spiky for better aerodynamics while keeping frontal area as low as possible Use silicon oil on the wheel axels to reduce friction
Yes, thats a good Idea with new buwizz motors but mine are old and a little damaged and they can't give as much torke as before. I was a little worried that with these wheels that are heavy and have a lot of grip the fast output wouldn't be enough powefull and that they would overload. When I will have new buwizz motors I will make a car with your tips!