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j) Mounting the main rotor blades
When mounting the enclosed main rotor blades (1),
observe the rotation direction of the rotor head and do not
tighten the self-locking attachment nuts too much (2).
Attention important!
The rotor blades must always be able to align at a perfect 180° angle towards each other under influence
of the centrifugal force.
This also applies for the tail rotor blades!
Figure 14