Full-Field Displacement Measurements of Helicopter Rotor Blades Using Stereophotogrammetry

Table 2

Measurement accuracy in hover flight.

(°)	Accuracy of hub targets (mm)	Accuracy of blade targets (mm)
0	0.085	0.141
2	0.082	0.157
4	0.094	0.168
6	0.099	0.194
8	0.097	0.198
Average	0.091	0.172