Propeller - UBSAN X4 STAR FPV User Manual

4. PROPELLERS
The quad copter uses the 5.3-inch propellers which are marked by A and B.
Propellers are consumables, please replace with new ones if there is any damage.
Attach the propellers to the corresponding motors that
are marked A and B,tighten the propellers and keep the
motors deadlocked with the screw-driver.
<Figure 1>
Match the "I" mark on propellers to the "D" gap on
motor shafts when assembling, as figure 1 shown.
● Make sure that the A and B propellers are installed correctly. The X4 will not fly if
propellers are improperly installed.
● Keep the moving propellers away from your body as well as other people and any obstacles.
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2016 Hubsan
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Tighten the A propeller with black screw;
Tighten the B propeller with sliver screw.
"I" Mark
"D"Gap
Black screw
A B
Silver screw