Today in lab we were able to go down to the Plastics lab and use their 3-D printer. We decided to print our servo motor mount that we created so the servo could be attached to the hovercraft base. The mount took about 45 minutes to print and used about 0.55 cubic inches of material. The servo motor mount can be seen below.
Protective Case for Arduino
After 3-D printing one item we decided to finalize the other components that we wanted to print. One of the most important components for our design is the protective case for the Arduino. This case is important because we will be using multiple Arduinos and we want to be able to stack them on top of each other so they don't take up a lot of surface area on top of the base of the hovercraft. In lab we made a few modifications to the previous design for this case. Specifically we added more holes to the sides of the case. This will help because it will allow wires to be connected to the Arduinos from 3 sides of the case and will decrease the amount of material used. We have sent the part to be printed and we need 3 of these parts shown below.
Fin For Steering Hovercraft
In lab we also worked on the design of a fin. This fin would be placed at the back of the hovercraft and would be used to steer it. We plan on cutting the fin out of acrylic.
Layout of Hovercraft Base
At this point in the design process we have made most of our decisions on what components will be incorporated into our final design. We wanted to see how these components would fit on the base of the hovercraft so we have made a model of where the components will be assembled on the the hovercraft.
In the picture below there are abbreviations for each part:
BP = battery pack
LF = lift fan
FB = fan base
SM = servo mount
BB = bread board
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