Progress report: Design of a composite blade, suspension and excitation system

Obrázek 1: a) CAD model zavěšení; b) Prototyp zavěšení zhotovený 3D tiskem

Figure 1. a) The CAD model of suspension; b) 3D-printed prototype of the suspension

Another test carried out on the blade was a single airfoil aerodynamic test in the wind tunnel. The blade was placed horizontally in the tunnel at three different angles of attack – 0°, 5° and 10°. The tip of the blade was observed with a high-speed camera (see figure 2).

Obrázek 2: Vychýlení špičky lopatky při úhlu náběhu 5°

Figure 2. Snapshot of blade tip deflection at 5° angle of attack