PPL » Aircraft Tech Knowledge (H) » Rotor Discs - Terminology
14.80 Terminology
14.80.2 Explain the meaning of:
(a) tip path;
The circular path traced by the rotor blade tips during rotation
(b) tip path plane;
The imaginary flat plane formed by the rotating blade tips
(c) axis of rotation;
The imaginary line about which the rotor rotates
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