DRONE THRUST TO WEIGHT RATIO

When designing your drone, it is important to consider the ratio of _.

• pitch to roll

• pitch to roll

• thrust to weight

• weight to mass

Once your drone is in the air, if you want it to hover in place, what must be true about the forces of thrust and weight?

• Thrust/Weight < 1

• Thrust/Weight > 1

• Thrust/Weight = 0

• Thrust/Weight = 1

Why is a minimum thrust-to-weight ratio just over 1 not enough to achieve a functional drone?

• A drone can only command 70% of the true maximum thrust as a net thrust.

• 30% of the maximum thrust is essentially reserved by the control system in order to create the torques required for stable flight.

• In the simulation, it is assumed that all drones will fly vertically at an acceleration of 1 m/s2, so more thrust is needed to achieve that acceleration

• All of the above.

How is the direction of the total thrust affected if the tilt angle is greater than 0?

• The thrust force changes from vertical to horizontal.

• The thrust force changes from horizontal to vertical.

• The thrust is split between the vertical and horizontal directions.

• Changing the tilt angle doesn’t affect the total thrust.

As the direction of thrust becomes more horizontal, the drone will ______.

• flip over

• decrease speed in the horizontal direction

• increase speed in the horizontal direction

• always split the total thrust equally between horizontal and vertical

Your challenge is to build a drone that can deliver a package in the fastest time possible; therefore, your drone should ________.

• have a maximum thrust-to-weight ratio of 1:6

• maintain a stable flight with a tilt angle of 22.5 degrees

• be heavier than the package

• maintain a stable flight with a tilt angle of 45 degrees