2024-11-11 Mechanical Meeting

Announcements

• There are two workdays left until the end of the semester

  • Remember that PDR is January 18, the first Saturday right after we return from winter break

  • Preliminary Design Review Guidelines

Highlights

Suspension

• Suspension Type Selected
• Hardpoints Finalized
• Shock Selected
• Shock-Pot Mounting
• Motion Ratio, Spring Rate determined

Frame

• Bounding Boxes Finalized
• Roll Cage Finalized
• Passing Frame Sim
• Preliminary Tab Placements

Battery

• Battery Layout Finalized

Aerodynamics

• Top Shell Finalized
• Initial Shell to Frame
• Shell-to-Shell Options
• Preliminary CFD Results
• Pitot Tube Mounting

Unsprung

• Brake Calipers Selected
• Wheel Bearing Selected
• IMU, Hall Effect Mounting

Enclosures

• Enclosure Mounting Locations
• Number of Enclosures Fixed
• Waterproofing Plan

Steering

• Rack Selected
• Ackerman Geometry Finalized
• Upper Steering Linkage Power Transmission Chosen
• Pot Mounting

Ergo

• Preliminary Pedal Box
• Driver Position Fixed
• Preliminary Brake Routing Diagram
• Steering Wheel Design
• Ballast Location

Cooling

• Cooling Strategy Selected
• Rough Routing Scheme
• Battery Thermal Testing Results

Composites

• Research Results (short presentation)
• Mold Reference Scheme Selected
• Manufacturing Plan

Wire Harnessing

• Preliminary Wiring Diagram

Updates/Blockers

Please update me on the progress you’ve made the past week. Do you have any blockers?

Workday Review

• drivers sized → driver model can be finalized this week

• first frame iteration finished → simming to begin

• initial composite research finished → sandwich panel design and mount design next

• steering wheel designs (daybreak and nextgen started)

• critical hardware back in car and harnessed

• mock cooling intake to send to regs

Next Workday Plan - please break tasks down into sub-tasks

• start simulating frame → get initial data for first iteration

• create initial design ideas for frame jig

• continue working on steering wheel designs

• finish up daybreak pedal box changes (test pedal jig, finish design)

• start work on next gen seat

• manufacture mock module

• characterize a few battery cells and bin

• have all battery box panel cutouts finished and dxfs created for waterjet

  • only layups will be a blocker then

Daybreak Progress?

• Created a preliminary design (CAD model) of the radial tubular intermediate steering shaft constraint

nah

• made intake mock before finalizing to get checked by steve and dan

• car can drive theoretically

  • need to pump tires

Questions people want to ask:

• for daybreak → need master cylinders from car to test new pedal ratios and setup, so when can we take them off daybreak?

What do you need from me this week?