A recent focus of our project was evaluating whether the current 1-inch aluminum frame could support the increased load from 24-inch propellers, as we originally planned to scale up to a 2-inch frame. To determine this, we used data from the motor manufacturer to calculate the maximum lift generated by the larger propellers. The longest beam in the Y6 frame, measuring 30 inches, served as the basis for this analysis.

Additionally, our team developed a MATLAB program to calculate the safety factor for infinite life using beam bending equations. Using this analysis we confirmed that the 1-inch frame lacked the necessary strength to support the 24-inch propellers, solidifying our need to transition to a 2-inch frame.

On the smaller drone design, we introduced a lattice cutout structure to optimize weight. These cutouts, similar to a flat truss design aim to decrease beams weight while still maintaining the structural integrity, these cutouts become progressively larger as they extend outward from the drone’s center, aligning with the stress distribution caused by bending moments. However, due to issues with the water jet system, we are unable to fabricate prototypes of these beams for testing at this time.

Our team is making steady progress, and we look forward to sharing more milestones with you. Keep following our journey as we push forward with this innovative project!