Manufacturing and Final Product - Drag Reduction System (DRS)

Final Project CAD Render:

Final Product Assembly:

Major Improvements:

For our final iteration, we particularly focused on creating a more refined version of our initial prototype. This consisted of:

• CNC'ed Aluminum Linkages

• • More rigidity in high-stress members
  • Tight tolerances
  • Minimal weight cost through the use of pocketing

• Full-Scale Foil Layout
  • Accurate representation of scale model
• Transparent Side Plates
  • Easy visualization of a cross-section
  • increased visibility and background contrast
• Arduino Utilization
  • Automation of mechanism articulation
• Other High-Quality Part Manufacturing
  • Carbon Tubes Running Parallel to Wing
  • Internal Rib Structure
  • Steel Pins Joints

Manufacturing:

We were able to CNC our linkages at the ETC machine shop. The process was very smooth and we ran into minimal issues due to the simplicity of the design and adherence to DFM principles.

Design Changes:

We were able to test different designs to improve the flexibility in the wing morphing. After some Iterating, we settled on the most stable, yet practical design as seen to the top left.

Software:

Iteration 1: Button

The electronics and software's first iteration consisted of a button that, when held, would slowly rotate the servos and actuate the mechanism up until the maximum angle was reached. The mechanism would then return to the down-state when the button was released. However, we decided that this wasn't an optimal solution since we could not hold the airfoil at a set angle.

Iteration 2: Joystick

The second iteration drew inspiration from the car project at the beginning of the semester. We utilized the joystick as a method to manually turn the servos and have a greater degree of control. This method turned out to be ideal and was used in the final design.