| You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you. |
| A helicopter rotor operates in several different states and speeds, and therefore might by the most complicated airscrew of all. |
| The F series uses a proprietary neodymium-iron magnet rotor structure and skewed armature assembly to optimize machine torque and volume. |
| As I watched sheets of ice being thrown off our rotor blades, I realized how serious the icing had been. |
| The five-bladed main rotor is fully composite, with a composite spar, multiple box structure and anhedral tipcaps. |
| But this action put tension on the parachute lanyard, allowing the rotor downwash to partly inflate the chute. |
