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Update & Action Items

MemberUpdateAction Items

Andrew

  • Compiled potential heat sinks
  • Started spreadsheet to investigate attaching hub motors to wheels
  • Finish spreadsheet
  • Draft sketch for hub motor joint and encoder attachment

Alaina

  • Weight of motors and wheels (2020 vs 2019 & 4 vs 6 wheel) 
  • Estimate weight increase for rocker bogie based on all wheel options (motors and tires)  
  • Weight of joints for 6-wheel design
  • CAD chain attachment for science mechanism 
  • CAD based on Tony’s FBD

Asha

  • Science seal v1
  • Science seal v2
  • Drive train FBDs
  • Science motors calcs

Ayesha

  • BLDC motor list started

Caleb

  • Start sourcing actuators for science module
  • Complete sourcing. Find sponsors with Lance’s help
  • Gimbal design
  • Help with fin sourcing
  • Sourcing for Science module (get more specific requirements from Asha)
  • Check with Lance about contacting sponsors
  • Gimbal design - look into PCB placement

Cindy

  • Research IMU mounting considerations
  • More research on IMU transforms (check ROS), 
  • Research effects of high frequency signals on IMU
  • Looking for KDL (or other) libraries for reference

James

  • Found Tripod on Bestbuy that can hold load and is within budget: LINK?
  • Talked to Tony about this
  • Look for alternatives of similar form factor

Tony

  • 6 Wheel FBD geometry calculations 
  • PM work with Drive Train
  • Implement 6 wheel FBD loading equations and compare 4 vs 6 wheel
  • Wheel Hub research (details for Drive Train team on trello)
  • Determine how to do tangential normal frame transforms for 3-D vectors, leave details to Cindy
  • Understand BLDC better to determine if the ebike simulator is sufficient for emulating smaller motor torque - speed curves, and what kind of input parameters are required
  • Order an Odrive and pick out a few motors that are within budget for testing


David

  • Completed shovel redesign CAD
  • Science module design review
  • Prototype shovel
  • Look into custom battery pack
  • Finalize component list for e-box

Cole


  • GIMBAL 

Emily

  • Began hub motor research
  • Continue hub motor research
  • Refine science seal ideas with Asha


General Notes

  • New member introductions
  • Spaenaur sponsorship
    • Called spaenaur today, they are still onboard to do in-kind sponsorship for anything on their catalog, which is alot of stuff.
    • In the interest of saving money, please take a look at catalog next time you are looking for OTS components, especially fasteners. LINK
  • Lightning talk - Screws and Bolts


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