Mechanical design
Aerial propellers
Article REF: BM4540 V1
Mechanical design
Aerial propellers

Author : Jean-Luc PHILIPPE

Publication date: January 10, 1999 | Lire en français

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6. Mechanical design

See also [2] .

6.1 Stationary external forces on the blade

In a steady state (aircraft level at constant speed, axis of propeller rotation parallel to aircraft speed, constant propeller speed and flow undisturbed by the aircraft), a blade is subjected to time-independent forces (figure 27 ) which are :

  • centrifugal force ;

  • aerodynamic forces ;

  • a torque about its pitch axis (see figure

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