Propellers - Hubsan H502S Instruction Manual

4. PROPELLERS

Attach the propellers to the corresponding motors that
marked by A and B,tighten the propellers and keep the
motors deadlocked with the screw-driver.
<Figure 1>
Please match the "I" mark on propellers to the "D" gap on
motor shafts when assembling as figure 1 shows.
● Make sure that the A and B propellers installed correctly. The X4 will not fly if
propellers were improperly installed.
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"I" Mark
"D"Gap