1. Preliminary Detailed Design Review Group P16228: Mike, Zach, Joe, Elijah & Bernie

2. Team Vision Bernie: Enclosure designs, SolidWorks drawings/sheets, calculations of rotational velocity, and several efficiencies Elijah: Solenoid controller/power board design, power supply selection, wiring diagram, electrical component testing procedures Zach: Design changes/improvements, SolidWorks parts+assembly, preliminary levitation test plan Joe: Manage expenditures/maintain budget, Update BOM, Preliminary coding (Matlab or Python) Mike: Axially magnetic stability physical design and high-level layout, BeagleBone research and system development reference compilation, early Python code development, stability testing design

3. Prototyping The parts shown above are the magnets, and casing for the magnets that will be used in the prototype

4. Analysis: Propeller Efficiency

5. Analysis: Propeller Efficiency Equations eff: Propeller Efficiency K: Fluid bulk elasticity modulus F: Thrust vo: vehicle velocity P: Power

6. Analysis: Propulsive Efficiency

7. Analysis: Propulsive Efficiency Equations η: Propulsive efficiency F: Thrust A: Propeller disk area vo: Vehicle velocity ρ: Density

8. Analysis: Rotational Velocity

9. Analysis: Rotational Velocity Equations vr: Rotational velocity D: Diameter of propeller N: Number of revolutions

10. Analysis: Relative Rotation Efficiency

11. Analysis: Relative Rotation Efficiency Equations ηo: Open water efficiency F: Thrust vo: Vehicle velocity vr: Rotational velocity Qo: Torque at open water test Q: Torque ηB: Behind hull efficiency ηR: Relative rotation efficiency

12. Analysis: Hull Efficiency

13. Analysis: Hull Efficiency Equations EHP: Effective horsepower Rt: Hull resistance vo: Vehicle velocity va: Propeller speed w: Wake Pf: Work done by propeller thrust ηH: Hull efficiency

14. Drawings

15. Choosing the Design The propeller was chosen through evaluation from the whole team and comparing types in a Pugh chart. Also the type of DC motor being used played a large factor in the design

16. SolidWorks Drawings

18. SolidWorks Assembly

19. SolidWorks Sheets

20. Axial Stability Component Placement Concept

21. Breakdown of Beaglebone I/O’s 1.PWM (GPIO): 1 pin used per solenoid. Up to 6 can be used with the controller board design 2.1 pin used for the motor input 3.Analog: Will be used as inputs for feedback from hall effect sensors. Will need at least one hall effect sensor per solenoid ergo one pin per solenoid. Will also need feedback from motor

22. Schematic (Solenoid Controller)

23. Linear Regulator

24. Outputs and Power indicators (LEDs)

25. Controller (specific circuitry)

26. Routed Circuit

27. Actual Circuit Dimensions: ◦2.19”x3.38” ◦56mm x 86mm

28. Wiring Diagram (Total System)

29. Power Supply Wiring

30. Motor Controller Wiring

31. Solenoid Controller

32. BeagleBone Wiring

33. Motor Wiring

34. Solenoid Wiring

35. Flow Charts

36. Bill of Materials (BOM) Motor Construction ◦Purchase motor ◦“Off the shelf” design ◦$800 - $1,200 PCB Purchase and Construction/Assembly New Budget ◦$4,000 of allocated spending Funds spent to date: $128.99 ◦BeagleBone Black Development Board ◦$61.16 (w/ tax) ◦Misc. magnets for proof of concept

37. Test Plans (Overview) Magnets: Stabilization (lateral, axial) Mock build Propeller: Flow simulation Motor: Use encoder to measure RPM; hook up and see if it spins Solenoids: Helmholtz coils Enclosure: Leaking & see if the motor fits Coding: Check values, troubleshoot, and emulate Temperature: thermo-coupling Solenoid Controller: verifying proper voltage output via multimeter, based on different inputs Power Supply: verifying the proper voltage is being output

38. Engineering Requirements

39. Risk Assessment

40. Plans for Next Phase Finalize prototype design for MSD 2 Run tests on early prototype Have complete set of drawings ready Have MSD II schedule laid out