Root: The inner end of the blade where the rotors connect to the blade grips.
Blade Grips: Large attaching points where the rotor blade connects to the hub.
Hub: Sits atop the mast, and connects the rotor blades to the control tubes.
Mast: Rotating shaft from the transmission, which connects the rotor blades to the
helicopter.
Control Tubes: Push \ Pull tubes that change the pitch of the rotor blades.
Pitch Change Horn: The armature that converts control tube movement to blade pitch.
Pitch: Increased or decreased angle of the rotor blades to raise, lower, or change the
direction of the rotors thrust force.
Jesus Nut: Is the singular nut that holds the hub onto the mast. (If it fails, the next
person you see will be Jesus).
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