...
- Add horizontal support beams to stiffen pegboard
- Add jam nuts to differential linkages. Prevents it from unthreading
- Cut new bearing plates with more mounting holes, reattach
- Replace short screws with longer ones
- Add Loctite to joints
- Bring all wheels to an equal pressure, see if we can get them thinner?
- Print battery and weight holders, add to bottom layer of chassis
- Cut and add wheel treads
- Create & fabricate attachments to keep differential bar in place?
...