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- Helicopter (20080 bytes)
1: ...wing aircraft</b>. The word helicopter is derived from the [[Greek language|Greek]] words ''helix'' (s...
21: ... eight-bladed fenestron of the [[Eurocopter Group|Eurocopter]] EC120B.]]
23: ...tail rotor is sufficient to cancel out the torque fromt the main rotor, the helicopter will not rotate...
29: ... amount of power required to prevent a helicopter from spinning is significant. A tail rotor can use u...
42: ...the RPM is too high, damage to the main rotor hub from excessive forces could result. In general, RPM ...
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