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Version 3
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7 Days until First Draft CAD Due!!!
Goals
- Review selections for actuators, encoders, and carbon fibre/aluminum
- Check-in on CAD
Discussion
- CF tubes thoughts
- Rigidity thoughts?
Additional Tasks
- CF testing plan → find out deformation tools/machines we have access to, come up with a test plan
- Continue wheel tread investigation
Update & Action Items
Member | Update | Action Items |
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| - Still debating extrusion VS CF
| - CAD both ideas for chassis, get opinions before review
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| - Feedback from Composites Canada!
- Constraints for adhesive and adhering techniques is temperature-dependent (aluminum expands and contracts more at extreme temperatures, compared to CF)
- The decision to bond aluminum on the inside VS outside should be based on what's easier for us
- Leaning towards bonding aluminum on the inside. Easier to make the OD precise vs the ID
- Recommended bond gap for ambient temperature is 1mm
- Glue beads to maintain minimum adhesion thickness
- Rough calculations for 32mm diameter
- Conclusion: seems to be okay! Supporting the entire rover will still be weaker than CC's weakest tube
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Emily Adam (Differential bar) | - Motor selection, encoder selection
| - Send Asha information about motors and encoder
- CAD differential
- Order tubes, gearboxes, encoders
- Investigation tools that we have access to: 3-point bending test, load testing, impact test (abuse it until it breaks)
- Read some rocker bogie papers
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| - Floating & fixed bearings investigation
| - CAD rocker-bogie structure, considering opportunities to integrated fixed-floating bearings
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New Tasks
General Notes