Measurement Technique and Result Analysis of Helicopter Rotor Blade Structural Vibration Load

Table 1

Description of blade load measurement.

Section 1	Section 2	Section 3	Section 4	Section 5	Section 6	Section 7
0.01R	0.05R	0.20R	0.36R	0.44R	0.54R	0.67R
Flapwise bending moment	Torsion moment	Flapwise bending moment	Flapwise bending moment	Flapwise bending moment	Flapwise bending moment	Flapwise bending moment
Edgewise bending moment	—	Edgewise bending moment	Edgewise bending moment	Edgewise bending moment	Edgewise bending moment	Edgewise bending moment