156B Week 9

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

• • Final prototype testing is postponed due to glueing issues with Velcro (resolved)

  • Final design decision on the prototype ratio is going to be determined by Thursday morning

  • Final prototype fabrication will begin Thursday after completion of the analysis

Accomplishments from Previous Week

• • Completion of the final prototype for testing

  • 3 point bending test complete for both coffee/layer combination and layer prototypes

  • PowerPoint and second draft of the report completed

  • Analysis for 3 point bending test complete

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

• • Test the final prototype - (Olesya)

  • Adjust report with respect to classmates’ and sponsor’s feedback (ch 1,2,3 - Dylan; Ch 4 - Kerrianne, Olesya; Ch 5, abstract - Brian)

  • Manufacture full length cast (Olesya, Kerrianne)

  • Complete analysis from 3 beam testing results (Brian, Olesya)

  • Poster completion (Dylan+)

  • Webpage updates (Dylan)

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments

In Person (3/6/18)

• • Request for literature the students have found during their research and analysis

  • Offered additional poster examples

Instructor Comments from Last Meeting and Actions Taken to Address these Comments

In Person: Design Proposal Presentation (3/1/18)

• • Silicone has high gas permeability and likely won’t hold a vacuum for long

    • Found literature to investigate solutions or more appropriate materials

  • If the stiffness is highly dependent on the vacuum, meaning the vacuum must be held at that magnitude, then activating the cast using a manual pump is not feasible

    • Have to determine what scale of pump would make the vacuum feasible, or find a way to make the cast as strong in a lower vacuum

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

In Person: Design Proposal Presentation (3/1/18)

• • Both conventional casts and this project’s cast can be made comfortable with additional gauze or foam

    • The discomfort of conventional casts comes from not being able to take it off, causing itching and dead skin to pile up

Risks and Areas of Concern

• • N/A

Resources or Information Required but not Available

• • Location to buy a ball valve for cheap in person

Schedule

• • Manufacturing of the full length cast

  • Completing the report up to class’s and sponsor’s standard

Budget (list amount spent and amount remaining)

• • 2173.65 remaining, 226.35 spent

Progress on Report and Webpage

• • Report submitted to sponsor for review, awaiting the response from classmates and sponsor to finish the final draft