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Issue with motor direction resolved

A project log for Open Sky Anchor WiFi Drone Brings The GIG

Mission "Wifi" Impossible > Bring Long Range 5G and 2.4 G WiFi Backed By A 1 Gigabit Fiber To The East Brainerd EF-3 Tornado Disaster area.

josh-starnesJosh Starnes 08/24/2020 at 03:410 Comments

It is funny when you troubleshoot problems that usually some of the simplest fixes are what is causing the bug in your machine. After some time investigating, I realized brushless AC motors using three leads can reverse rotation by swapping any two of the three inputs to the motor.  So one motor at a time I powered on the drone and upped the throttle so I could feel if the air was blowing downward as intended. I repeat this process ten times. I did have 1 prop that was incorrect for the motor, the other 11 were the correct prop and CCW or CW rotating motor in place. The battery is down to about 11.6 volts so it is nearly dead and the controller batteries are dead after being on for about 6 hours today during troubleshooting and corrections. So I will put them on the charger to test tomorrow. If you ever do this kind of project I highly recommend using a label maker to label both the ESC and well as the end of the RC signal cable, because they all look the same and are easy to confuse and make a mistake. The labels give you a visual confirmation you are plugging in the correct plug.

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