The sketch below shows the final design of the bogies for the road wheels. This design will allow the robot to pass obstacles as high as 4 cm without tilting. The idea is to also put some form of sensor on it later to allow the robot to feel the ground.
While making a first copy of the bogies I learned two things: My saw is not at precise as I thought. Although the parts I made were definitely useable, the finish is not as nice as I would have liked. They look good after a light sanding, but it seems that I will have to machine all sides of the parts if I want the better look. Now I need to decide whether it is worth the extra work.
The second thing I learned is that you should always check the dimensions of you delrin sheets before cutting them. It was not until I had completed the parts that i realized that I had used the wrong sheets and the bogies turned out a few mm too thick. Well, it was a good exercise anyway.
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