2024-11
Rev 3: New drive system
Switched from brushed DC to BLDC motors with custom FOC controllers. 40% torque improvement.
2024-08
First outdoor test
Platform survived 2 hours on rough terrain. Navigation stack needs tuning — orientation drift in turns.
2024-05
Frame failure & redesign
Weld fatigue at main pivot. Completely redesigned junction using gusseted plates. This failure taught more than any success would have.