Spinner a launcher integrating MARK I

I told you that I continued to work to improve my model of spinner, it is done with my first functional model, and it goes beyond my hope, still lack a little power but it will take you the head when You will start to spin this stuff! I have made a modification to the outer diameter of the model, so it is smaller. Now the thickness is 6 mm against 5 mm on the proto it brings a better resistance to the spiral spring. I used a system of ball brake (and it is damn effective), 2 in total of a diamet