Assembling the propellers on the motors

In this section, we make our propellers fit on our motors but remember to remove the propellers when you test the motors for the first time.

1) Insert the nut (with the hole at the bottom) in the stem of the motor.

2) The propeller selected in this tutorial has a hole too small for the stem of the motor, so it is necessary to drill it. Choose a drill bit that has the same diameter as the diameter of the motor's stem.

Then do the drilling:

3) Then tighten the nut and put the washer on top of the propeller as you can see in the following picture.

4) Repeat for every motor.

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