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R-44 Raven II > Drive System > Flashcards

Drive System Flashcards

1
Q

Engine to upper sheave

A

Four double the belts with 0.778:1 speed reducing ratio

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2
Q

Driveline to main rotor

A

Spiral bevel gears with 11:57 speed reducing ratio

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3
Q

Upper sheave to driveline

A

Sprag type over running clutch

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4
Q

Driveline to tail rotor

A

Spiral double gears with 31:27 speed increasing ratio

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R-44 Raven II (14 decks)

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