156B Week 3

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • In Progress:

    • First draft of Report

    • Shopping for materials

Accomplishments from Previous Week

• • Decided on using hollow square aluminum for cart legs, but might not be fit for the leg dimensions. (In discussion)

  • Completed Design Proposal Presentation and received feedback.

  • Discussed with Dr. Goldberg regarding current design discussed during Design Proposal Presentation.

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Work to improve CAD model (Christina mostly)

  • Continue researching cart materials (Sean, Sam)

  • Update Dr. Goldberg on progress (Rebecca)

• Visit Home Depot to purchase supplies (Sean, Sam, Christina, Rebecca)

• Work on first draft of report (Sean, Sam, Christina, Rebecca)

• Learn to weld (Sean, Sam, Christina, Rebecca)

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • Weekly meeting with Dr. Goldberg (In person, 4/8)

    • Meeting for Week 3 moved to Wednesday 11AM.

    • Dr. Goldberg will not be in San Diego Week 4. (Meeting time in discussion)

    • Consider adding a cable to control closing of front legs, to reduce force from bumper to pull legs up. (In discussion)

    • Compare and look into different locking mechanisms for front leg. (In consideration)

    • Find dimensions of the lip on a Sienna trunk to help choosing a trunk wheel size that will work for both cars. (In progress)

    • Dr. Goldberg open to testing prototype on his cars.

Instructor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • During Design Proposal Presentation (In person, 4/8)

    • Aluminum might not be the best material for the dimensions of the leg. (Considering steel)

    • Consider support for back legs. (In discussion)

    • Consider building a model with aluminum extrusions. (In consideration)

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • Consider a removable basket (in person, 4/8)

Risks and Areas of Concern

• • Spring-loaded pin-locking mechanism

  • Stability of back legs

Resources or Information Required but not Available

Schedule

• • See updated Gantt Chart.

Budget (list amount spent and amount remaining)

• • As of 4/12/15 nothing spent yet.

  • $1,000.00 remaining.

Progress on Report and Webpage

• • Webpage Updated On: 4/12/2015

  • Report Draft Updated On: 4/10/2015