Fabrication - Vehicle Movement System
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The vehicle movement system consisted of an axial fan and a duct system. The duct system was fabricated before it could be attached to the fan. Prior to fabrication, engineering drawings were developed for the duct system. Once the pieces of the duct system were fabricated, the assembly of the duct system was scheduled to begin. The initial plan was for all of the fabricated pieces to be welded together. However, due to the thinness of the metal, welding could not be done. The welding process would have burned straight through the material. It was determined that the best possible solution was to use rivets to connect all the fabricated pieces.
Once all the pieces were joined, silicon sealant was used to create airtight seals where the sheets were connected. Once the fabrication and assembly of the duct system was completed, the duct was attached to the high speed fan, using 3/8" screws and nuts. The complete prototype system is shown in the figure below.
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