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This page tracks the design process and decisions of the chassis. 

Constraints (what the chassis must do):

  • Support passengers 

  • Structural integrity for various cases

  • Mounting for electronics

  • Mounting for suspension and steering

  • Mounting for the aerobody base
  • Mounting for panel hinges

Criteria:

  • Weight, lighter is better
  • Cost, more affordable is better
  • Specific strength, stronger per unit weight is better
  • Manufacturing feasibility, easier to fabricate and assemble is better


Load cases the chassis must withstand:

Case

Force

FEA Setup

(Fixed Supports)

FEA Setup

(Force Location)

Front Bump

2G

Rear mounts

Front mounts

Rear Bump

2G

Front mounts

Rear mounts

Front + Rear Bump

2G

Center of Gravity

Front and Rear Mounts

Front Collision

5G

Center of Gravity

Chassis front

Rear Collision

5G

Center of Gravity

Chassis rear

Cornering

3G

Roll Center

???

Braking/

Acceleration

3G

Center of Gravity

Moments at mounts

Roll Over

5G

Center of Gravity

Roll cage

Version + DateIsometric viewCommentsWhat's Next
1.0

Basic layout and shape of members

Design decision reasoning found on:

Chassis Design Sketches

Proper sizing for aerobody and passengers

Fix geometry for suspensions mount

Triangulation of members

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