Introduction to Aerospace & Mechanical Engineering (Fall 2018)

Resources

• • Syllabus (Fall 2018)

• Grab Bag of Data

• Toaster Teardown

  • • Manufacturing Methods (this is not an exhaustive list)

      • Start with a block of material, then remove material until you have your part

      • End Mill

      • Lathe

      • Drill Press

      • Create a mold of your part, then inject a liquid into the mold and let it cool

        • Casting

      • Plastic Injection Molding

      • Start with a thin sheet of material, then hit it really hard against a mold to force it into the shape you want

        • Stamping a car door

      • Deposit very small amounts of material at a time, eventually creating the part

        • 3D Printing (aka "Additive Manufacturing")

    • Teardown examples

      • A Juicero Press.

      • How It's Made: [counterfeit!] Beats.

      • (Compared to a real one here.)

      • A Keurig B130.

      • Lots of other teardowns.

• Design Project

• Playpumps

  • • First video (8 minutes)

    • Second video (20 minutes, starting about 3 minutes in)

    • Link to online assignment

• • Block Diagram Assignment (due the week of 09/04. Choose either a product (e.g., internal combustion engine) or a process (e.g., secure communications from London the French Resistance in World War II).

    1. Draw the functional diagram, showing input and output relations between the action blocks. Your block diagram must have at least three elements and at least three connections.

    2. Use the block diagram to identify two potential problems. (For example, if the engine won't run, it could be because of a problem with the air intake.) Circle/label the problems on your block (adding environmental blocks as needed), and write 1-2 sentences to explain each.

    3. Use the block diagram to identify a change/improvement that might make the system better. Circle/label the opportunity on your block (adding blocks as needed), and write 1-2 sentences to explain the opportunity for improvement. (For example, in the secure-communications problem, the line connecting London to the French Resistance is extremely vulnerable. We might be able to improve things by hiding/obscuring the line of communications between the two - perhaps by embedding our messages in newspaper advertisements.)

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