Monday, October 25, 2010

Sunday 10/10 (53 days left)

We met in the courtyard of the AAB on Sunday morning to plan our next week. We saw this Preying Mantis:



We talked about the mechanical issues that we'd had and tried to address all of them. This included using a servo to move a rod that would push an angled piece attached to the visor to accomplish the full radius of motion that we desired. Another key modification we made was to place the photoresistors in a square on the visor itself. Between each of these would be a cross-shaped piece of acrylic, which would shade the photoresistor(s) that were on the side furthest from the sun. This would allow us to know in which direction the visor would need to rotate, and from there we would be able to actuate that motion. We also tried to improve the design of the "car" on which the visor ran, and attempted to solve the issue of the unsightly wires. Here are some sketches we made:






They're fairly messy but we slogged through them and emerged confident in our ability to make this a functional and marketable product by Thursday.

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