Measure thrust performance of a brushless DC motor driving a propeller

1. How do you expect the thrust to evolve with the RPM? T & RPM ?; TO RPM2 ?; T O RPM3 ? Hint: use the lift produced by an aerofoil L = =pUS2na. N 2. How is the motor torque related to the motor thrust? Hint: the torque will be proportional to the RPM2.3. The motor gives a maximum thrust of 2 N in our experiment. If a drone has four of these attached, what is the maximum weight in kg that the drone can be? Does it need to be lighter in practice? 4. If a drone weighs 550 g, what will its maximum vertical acceleration be using the four 2 N motors? How long will it take to reach 100 metres height? 5. At the maximum 2 N operation for the motor, the current is around 6 A and the voltage 6.7 V. How long will the 3000 mAh battery that powers the drone last? Remember there are four motors. (Hint: mAh is a unit of charge - how does it correspond to current, voltage and time?)