Full-Field Displacement Measurements of Helicopter Rotor Blades Using Stereophotogrammetry

Table 3

Measurement accuracy in forward flight.

(°)	Accuracy of hub targets (mm)	Accuracy of blade targets (mm)
-4	0.103	0.256
-2	0.089	0.132
0	0.092	0.140
2	0.088	0.175
4	0.096	0.183
Average	0.094	0.177