Term
| The main rotor is a _____, _____type rotor system. |
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Definition
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Term
| The _______ _______ provides the mounting point for the yoke assembly. |
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Definition
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Term
| State the component that provides the flapping axis for the main rotor. |
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Definition
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Term
| T/F: Underslinging keeps the main rotor system aerodynamically balanced during flapping or tilting of the rotor system. |
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Definition
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Term
| How much preconing is built into the yoke? |
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Definition
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Term
| Preconing _____ _____ _____ of the yoke, blade grips, and the root end of the rotor blade. |
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Definition
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Term
| Identify the component that absorbs centrifugal forces and will twist to allow for pitch change action. |
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Definition
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Term
| The predominant metal used in the main rotor blades is __________. |
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Definition
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Term
| T/F: The vertical through bolt that secures the main rotor blade is hollow. |
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Definition
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Term
| T/F: Weights are added at the tip and midspan of each main blade for auto-rotational flight. |
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Definition
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Term
| Each main rotor blade weighs approximately _______ pounds. |
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Definition
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Term
| Main rotor blade chord length is ______. |
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Definition
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Term
| The main rotor system utilizes a _____ _____ _____ to prevent excessive flapping. |
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Definition
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Term
| The flap restraint kit is a _____ and _____ _____ assembly. |
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Definition
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Term
| In powered flight, the fuselage attempts to rotate _____. |
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Definition
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Term
| The effects of main rotor torque are offset by the _____ _____. |
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Definition
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Term
| T/F: The tail rotor system, like the main rotor system, is a semirigid, flapping type system. |
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Definition
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Term
| How is tail rotor blade strength increased? |
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Definition
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Term
| Spanwise balance of the tail rotor blades is accomplished with ____________ on the blade bolts. |
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Definition
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Term
| T/F: Chordwise balance of the tail rotor blades is accomplished with weights and washers on the trunnion bearing housing retaining bolts. |
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Definition
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Term
| Pitch angles of the tail rotor blades are changed with the _____________ ______ via the pitch change links. |
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Definition
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Term
| Dynamic balancing of the tail rotor system is accomplished using the _____ _____. |
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Definition
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Term
| Tail rotor flapping is limited by the _____ _____. |
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Definition
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Term
| T/F: Like the main rotor, the tail rotor achieves underslinging with pillow blocks. |
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Definition
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Term
| The TH-57 flight control system is a _____ system. |
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Definition
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Term
| Name the three flight control systems. |
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Definition
| Cyclic…Collective…Anti-torque pedals |
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Term
| The main rotor disc tilts with a _____ control input. |
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Definition
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Term
| T/F: Manual inputs to the cyclic system are pneumatically boosted. |
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Definition
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Term
| Cyclic inputs are transmitted via the _____ to the rotating controls. |
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Definition
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Term
| Name the component that allows the stationary swashplate to tilt in any direction. |
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Definition
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Term
| Blade pitch angle is increased or decreased equally with a collective input. |
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Definition
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Term
| Tail rotor blade pitch decreases with ______ pedal input. |
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Definition
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Term
| T/F: The TH-57C rotor brake assembly receives 600 psi hydraulic fluid from the aircraft hydraulic system. |
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Definition
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Term
| The direct reading type gauge associated with the rotor brake is located |
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Definition
| overhead between the pilots. |
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