Week 5 (20-24 July)

Changing Control of Ducted Fan from Code to Potentiometer

 

We focused on the solving the challenges we faced with the operation of EDF ducted fan.

The fan maximum thrust can, indeed, be determined by the input voltage of the ESC. We have tested 7.4V (2S), 11.1 (3S), 14.8V (4S) and 22.2V (6S). Currently, we believe that 4S input voltage is most appropriate for our fan as it seems to produce enough thrust without making a very loud noise. After further quantitive testing, the input voltage might be changed.

As for the code, myservo.writeMicroseconds() and myservo.write() did not work as planned. We have decided to incorporate a potentiometer in order for the thrust of the fan to be controlled more conveniently.

 

21st Century Window Cleaner