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Aerodynamics > Rotor Systems > Flashcards

Rotor Systems Flashcards

1
Q

Fully articulated

A

Flap, feather, lead-lag

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2
Q

Semi-rigid

A

Flap, feather

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3
Q

Rigid rotor

A

Feather only

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4
Q

Angle of attack and induced flow

A

Inversely proportional

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5
Q

Dissymmetry of lift

A

Advancing blade experiences greater velocity than the retreating blade

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6
Q

Dissymmetry of lift is eliminated by

A

Blade flapping up on the advancing side and flapping down on the retreating side

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7
Q

Flapback(blow back) limits?

A

Foward airspeed

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8
Q

Offset pitch horn are alternatives to?

A

Delta-3 hinge

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Aerodynamics (13 decks)

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