Week 6

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

Accomplishments from Previous Week

• • Finished temperature/humidity sensor code (Jeanette)

  • Order memory drive (Jeanette)

  • Continued building sensor circuit (Jeanette)

  • Lights, lenses and LED drivers have arrived.(Diana)

  • The power system has been order.(Diana)

  • Assembled lights and fabricated mounts for lights.(Diana)

  • Pressure tested prototype up to 280psi (Jamie)

  • Designed mounting bracket for LEDs (Jamie)

  • Signal relay circuit devised to operate LED on/off flash to correspond with signal to GoPro (Jamie)

  • Code to turn on/off, and take pictures of GoPro camera written (Jamie)

• Practiced using camera calibration toolbox to for Matlab (Vanna)

• Wrote matlab program for conduction & convection heat transfer (tyler)

• Wrote code to find how long tube should be. (tyler)

• Ordered acrylic, lead weights, and material for connecting cylinders. (Tyler and Jamie)

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

• • Begin assembly of snow cam components (All)

  • Finish program for compass and pressure sensor and finish calibration and testing  of sensors (Jeanette)

  • If power supply arrives begin all the wiring.(Diana)

  • purchase nose cone material and use CNC to cut out (Jamie)

  • Brainstorm ways to mount lights and cameras onto internal frame.(Diana, Vanna, Tyler)

  • Order additional cables needed to power the entire system.(Diana) 

  • Cut Aluminum for frame, lasercam acrylic (tyler)

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

• Suggested using a lens with f/22 or adjustable aperture size.  Researched multiple vendors for lenses with this specification, but was only able to find lenses with f/4 that would fit the GoPro camera while focusing within the necessary range.  Will discuss this issue with sponsors.

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

• • Looking into printed circuit boards, I found a webpage called custom circuit boards, I will keep researching other printed circuit board manufacturers and schedule a meeting with Steve Roberts by the end of the week to ask him about the printed circuit boards (Jeanette)

  • Needed to account for forced and natural convection on the tube. Dug up some research paper on finding the nusselt number and wrote some code. Internal temperature increased in model slightly.

  • Do more rigorous pressure testing, scheduled pressure test at SIO pressure chamber for Thursday morning (Jamie).

Risks and Areas of Concern

• Possible to melt down weights into a denser (and less bulky) material? Should we melt lead?

Resources or Information Required but not Available

Schedule

Budget (list amount spent and amount remaining)

• • Almost all the materials necessary for the final design had been ordered.  Materials still need to buy: nose cone material

Progress on Report and Webpage

• • In progress.