1.  Aerodynamics and how drones fly

2.  Drone design calculations

3.  BLDC motor calculations

4.  Drone flight time calculations

5.  Increase drone flight time, payload and efficiency

6.  Choosing the right motor and propeller

7.  BLDC motor power calculations

8.  Brushless motor efficiency

9.  How to choose a drone battery

10. How to choose an ESC and connectors

11. Propulsion testing

12. Free flight testing