The Q4’s propellers are not identical. Each propeller is labeled with an A or B. When installing
replacement propellers, be certain to install as shown below. The Q4 will not fly, and will flip
and crash if the propellers are not installed correctly.
FRONT
9 REPLACING PROPELLERS
A
B
A
B
Install Propellers:
Pinch the propeller hub, align the hole to the motor
shaft, and press it straight down firmly but gently.
11
BLADE GUARD
